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  1. 2024

    1. Berner, L. T., K. M. Orndahl, M. Rose, M., ...Walker, D.A., ...and Goetz, S.J. 2024. The Arctic plant aboveground biomass synthesis dataset. Scientific Data, 11:305. doi:10.1038/s41597-024-03139-w
    2. Berner, L. T., Orndahl, K.M., Rose, M., …Walker, D., ...Goetz, S.J. 2024. The arctic plant aboveground biomass synthesis dataset, pan-arctic, 1998-2022. Arctic Data Center. doi:10.18739/A2RR1PP3N
    3. Betway-May, K., Gould, W., May, J., Elmendorf, S., Hollister, R., Oberbauer, S., Breen, A., Crain, B., Sánchez Cuervo, A. M., Walker, M., and Walker, D. 2024. Tundra plant canopies gradually close over three decades while cryptogams persist. Global Change Biology.
    4. CAVM Team 2024. Raster circumpolar arctic vegetation map. Conservation of Arctic Flora and Fauna. Akureyri. doi:10.18739/A2RX93F75 (PDF)
    5. Frost, G.V ., Macander, M.J., Bhatt, U.S., Berner, L.T., Bjerke, J.W., Epstein, H.E., Forbes, B.C., Jia, G., Lara, M.J., Montesano, P.M. Magnússon, R.Í., Neigh, C.S.R. , Phoenix, G.K., Tømmervik, H., Waigl, C., Walker, D.A., and Yang, D. 2024. Tundra greenness. Bulletin of the American Meteorological Society, 105:S307–S310.
    6. Hendricks, A.S., Bhatt, U.S., Frost, G.V., Bieniek, P.A., Walker, D.A., and Raynolds, M.K. 2024. Enhancement of local hydrometeorology and impacts on tundra wildfire and subsistence food security on the Yukon-Kuskokwim Delta. Presented at American Meteorological Society, 104th Annual Meeting, Baltimore, Maryland, 1 February. (Abstract) (Poster)
    7. Hobgood, O., Walker, D., Raynolds, B., White, J., and Santosh, P. 2024. High-resolution classified vegetation map of evolving ice-wedge-polygon terrain, Prudhoe Bay, Alaska. Presented at 12th International Conference on Permafrost, Whitehorse, Yukon, Canada, 16-20 June. (Poster)
    8. Jones, B. 2024. Orthomosaic Image and Digital Surface Model for Point Lay (Kali), Alaska, 26 June 2022. Arctic Data Center. doi:10.18739/A28K74Z49
    9. Jones, B. 2024. Orthomosaic Image and Digital Surface Model for the Navigating the New Arctic, Ice-rich Permafrost Systems (IRPS) field sites, Prudhoe Bay Oilfields, northern Alaska, 29 August 2021. Arctic Data Center. doi:10.18739/A24T6F50K
    10. Kade, A., Walker, D.A., Raynolds, M., Breen, A., and Hogbood, O. 2024. Carbon-flux patterns in natural and disturbed ice-wedge-polygon tundra, Alaska. Presented at 12th International Conference on Permafrost, Whitehorse, Yukon, Canada, 16-20 June. (Poster)
    11. Kade. A., Walker, D.A., Raynolds, M.K., Breen, A.L., and Hobgood, O. 2024. Landscape patterns of carbon fluxes in natural and disturbed polygonal ice-wedge terrain. Antarctic and Alpine Research, In press. doi:10.1080/15230430.2024.2391244
    12. Kanevskiy, M., Shur, Y., Jones, B., and Jorgenson, M.T. 2024. Cryostratigraphy and ground-ice content of the upper permafrost in Alaska and Northern Canada. NSF Arctic Data Center. doi:10.18739/A2QR4NS3D
    13. Liljedahl, A.K., Witharana, C., and Manos, E. 2024. The capillaries of the Arctic tundra. Nature Water, 2:611-614. doi:10.1038/s44221-024-00276-9
    14. Peirce, J., Jones, B., Romanovsky, V., and Connor, B. 2024. Permafrost and Infrastructure Symposium: merging science, engineering, and community-based knowledge. Witness Community Highlights, 16-May. (Online)
    15. Peirce, J.L. 2024. Secrets to organizing a transformative Arctic science and engineering conference. Presented at Navigating the New Arctic, Annual Community Meeting, Washington, D.C., 5-7 March. (Oral Presentation)
    16. Peirce, J.L. 2024. Learning from the Permafrost & Infrastructure Symposium: merging science, engineering, and community-based knowledge, July 28–August 5, 202. University of Alaska Fairbanks, Fairbanks, AK, USA.
    17. Tassone, M.S., Epstein, H.E., Armstrong, A.H., Bhatt, U.S., Frost, G.V., Heim, B., Raynolds, M.K., and Walker, D.A 2024. Drivers of heterogeneity in tundra vegetation productivity on the Yamal Peninsula, Siberia, Russia. Environmental Research: Ecology, 3:015003. doi:10.1088/2752-664X/ad220f
    18. Walker, D.A. 2024. A new ice-rich-permafrost-system observatory, Prudhoe Bay Oilfield, Alaska: landscape evolution on ice-rich calcareous fluvial, eolian, and lacustrine deposits. Presented at 12th International Conference on Permafrost, Whitehorse, Yukon, Canada, 16-20 June. Abstract 253, Session 10B. (Oral Presentation)
    19. Wright, T.C., Nicolsky, D.J., Romanovsky, V.E., and Farquharson, L.L. 2024. Enhancing ground temperature monitoring network with repeat aerial surveys of ground surface deformation. Presented at 12th International Conference on Permafrost, Whitehorse, Yukon, Canada, 16-20 June.
    20. Zhu, X., Chen, D., Kogure, M. Hoy, E., Berner, L., Breen, A., Chatterjee, A., Davidson, S., Frost, G., &... Goetz, S. 2024. A synthesized field survey database of vegetation and active layer properties for the Alaskan tundra (1972-2020). Earth System Science Data, 16:3687–1703. doi:10.5194/essd-16-3687-2024

  1. 2023

    1. 2023. Proceedings of the Arctic Vegetation Archive and Classification Workshop. Arctic Science Summit Week 2023, February 18, Vienna, Austria.
    2. Alessa, L., Valentine, J., Moon, S., McComb, C., Hicks, S., Romanovsky, V., Xiao, M., and Kliskey, A. 2023. Toward a permafrost vulnerability index for critical infrastructure, community resilience and national security. Geographies, 3:522-542. doi:10.3390/geographies3030027
    3. Chen, D., Zhu, X., Kogure, M., Hoy, E.E., Xu, X., French, N.H.F., Berner, L.T., Breen, A.L., Bret-Harte, S., Davidson, S.J. and Ebersole, J.J. 2023. Field data on soils, vegetation, and fire history for Alaska tundra sites, 1972-2020. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/2177
    4. Cold Climate Housing Research Center, National Renewable Energy Laboratory 2023. Guide for foundations on changing permafrost. (PDF)
    5. Connor, B.G., Jones, B.M., Kanevskiy, M., Nicolsky, D.J., Pierce, J.L., Romanovsky, V.E., and Shur, Y.L. 2023. Permafrost & remote sensing studies: 2022 field report for Point Lay, Alaska.. Alaska Geobotany Center Data Report AGC 23-01. University of Alaska Fairbanks, Fairbanks, Alaska. (PDF)
    6. Connor, B.G., Tracey, B., and Curtis, K. 2023. Living on ice-rich permafrost: 50 years to a slow-moving disaster in Point Lay. Presented at Alaska Tribal Resilience Learning Network, 19 April & 17 May, Parts I and II. (Oral Presentation)
    7. Frost, G.V., Bhatt, U.S., Macander, M.J., Epstein, H.E., Raynolds, M.K., Waigl, C.F., and Walker, D.A. 2023. Eyes of the world on a warmer, less frozen, and greener Arctic. Global Change Biology, 29: 4453-4455. doi:10.1111/gcb.16767
    8. Hendricks, A., Bhatt, U., Frost, G., Walker, D., Bieniek, P., Raynolds, M., Lader, R., Epstein, H., Pinzon, J., Tucker, C. and Comiso, J. 2023. Decadal variability in spring sea ice concentration linked to summer temperature and NDVI on the Yukon–Kuskokwim delta. Earth Interactions, 27:e230002. doi:10.1175/EI-D-23-0002.1
    9. Hendricks, A.S., Bhatt, U.S., Frost, G.V., Walker, D.A., Bieniek, P.A., Raynolds, M.K., Lader, R.T. Jr., Epstein, H.E., Pinzon, J.E., Tucker, C.J., and Comiso, J.C. 2023. Decadal variability in spring sea ice concentration linked to summer temperature and NDVI on the Yukon–Kuskokwim Delta. Earth Interactions, 27:e230002. doi:10.1175/EI-D-23-0002.1
    10. Kasanke, S.A., Walker, D.A., Chapin III, F.S., and Mann, D.H. 2023. Plant succession on glacial moraines in the Arctic Brooks Range along a >125,000- year glacial chronosequence/toposequence. Arctic, Antarctic, and Alpine Research, 55:1,2178151. doi:10.1080/15230430.2023.2178151
    11. Nicolsky, D., Romanovsky, V.E., Walker, D.A., Farquharson, L.M., Bergstedt, H., Wright, T.C., Rybakov, S. and Pikok, L. 2023. mpacts of climate warming on ice rich permafrost on the North Slope of Alaska. Presented at AGU Fall Meeting Abstracts, 105, pp. C53C-105. (Oral Presentation)
    12. Nicolsky, D.J., Romanovsky, V.E., Farquharson, L.L., Wright, T.C., and Cable, W.L. 2023. 2024. Assessment of permafrost changes in the 21st century in the Alaskan Arctic. 2th International Conference on Permafrost, Whitehorse, Yukon, Canada, 16-20 June. (Oral Presentation)
    13. Northern Social-Environmental Research 2023. Engaging local knowledge to inform measures protecting Alaskan coastal communities from erosion and permafrost thaw. U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory. Fairbanks, Alaska. (PDF)
    14. Peirce, J.L., Jones, B.M., Connor, B.G., Kanevskiy, M., Shur, Y., Curry, T., and Bolz, P. 2023. Understanding infrastructure risk due to permafrost thaw to inform decision-making in Point Lay, Alaska. Presented at Arctic Science Summit Week, Vienna Austria, 17-24 February (Session 40). (Poster)
    15. Stevens V., Garber-Slaght, R., Dunlap, V., Dodd, R., Biddle, J., Rettig, M., Chittumuri, I., Sehmel, T., Coakely, M., and Davis, G. 2023. Point Lay housing survey. National Renewable Energy Laboratory, Cold Climate Housing Research Center. Fairbanks, Alaska. (PDF)
    16. Walker, D.A. 2023. New observatory supports broader understanding of climate-change and infrastructure Impacts to Ice-Rich Permafrost Systems. Witness Community Highlights, 30-Jan. (Online)
    17. Walker, D.A., Bergstedt, H., Breen, A.L., Daanen, R., Hobgood, O., Jones, B.M., Kade, A., Kanevskiy, M., Kucerova, A., Liljedahl, A.K., Manos, E., Nicolsky, D.J., Peirce, J.L., Raynolds, M.K., Romanovsky, V.E., Rybakov, S., Shur, Y.L., Watson-Cook, E., and Witharana, C. 2023. Natural ice-rich permafrost observatory, Prudhoe Bay, Alaska: 2022 field activities. Alaska Geobotany Center Data Report AGC 23-02. University of Alaska Fairbanks, Fairbanks, Alaska. (PDF)
    18. Walker, D.A., Kanevskiy, M., Shur, Y., Romanovsky, V., Nikolsky, D., Bartsch, A., Bergstedt, H., Breen, A., Daanen, R., Jones, B., Jorgenson, T., Kade, A., Liljedahl, A., Peirce, J., Raynolds, M., and Witharana, C. 2023. Navigating the new arctic: toward a new era of cumulative impact assessments of infrastructure and climate change in Arctic systems. Presented at Arctic Science Summit Week, Vienna, Austria, 17-24 February (Session 40). (Oral Presentation)
    19. Wang, Z., Xiao, M., Liew, M., Jensen, A., Farquharson, L., Romanovsky, V., Nicolsky, D., McComb, C., and Jones, B.M. 2023. Geohazard risk assessment tools for arctic civil infrastructure planning: a systematic review. Cold Regions Science and Technology, 214 103969. doi:10.1016/j.coldregions.2023.103969
    20. Witharana, C., Udawalpola, M.R., Perera, A.S., Hasan, A., Manos, E., Liljedahl, A., Kanevskiy, M., Jorgenson, M.T., Daanen, R., Jones, B., and Epstein, H. 2023. Ice-wedge polygon detection in satellite imagery from pan-Arctic regions, permafrost discovery gateway, 2001-2021. Arctic Data Center. doi:10.18739/A2KW57K57
    21. Zemlianskii, V., Ermokhina, K., Schaepman-Strub, G., Matveyeva, N., Troeva, E., Lavrinenko, I., Telyatnikov, M., Pospelov, I., Koroleva, N., Leonova, N., and Khitun, O. 2023. Russian arctic vegetation archive: a new database of plant community composition and environmental conditions. Global Ecology and Biogeography, 32:1699-1706. doi:10.1111/geb.13724
    22. Zwieback, S., McClernan, M.T., Kanevskiy, M.Z, Jorgenson, T., Walker, D.A., Chang, Q, Bergstedt, H., Toniolo, H.A., Romanovsky, V.E., and Meyer, F.J. 2023. Disparate permafrost terrain changes after a large flood observed from space. Permafrost and Periglacial Processes, 34:451-466. doi:10.1002/ppp.2208

  1. 2022

    1. Bergstedt, H., Jones, B.M., Walker, D.A., Peirce, J., Bartsch, A., Pointner, G., Kanevskiy, M., Raynolds, M. and Buchhorn, M. 2022. The spatial and temporal influence of infrastructure and road dust on seasonal snowmelt, vegetation productivity, and early season surface water cover in the Prudhoe Bay Oilfield. Arctic Science, e-First. doi:10.1139/as-2022-0013
    2. Connor, B.G. 2022. Understanding infrastructure risk due to permafrost thaw to inform decision-making in Point Lay, Alaska. Presented at NNA Community Office Annual Meeting, Anchorage, AK, 15-17 November. (Oral Presentation)
    3. Connor, B.G., and Peirce J.L. 2022. Understanding infrastructure risk due to permafrost thaw to inform decision-making in Point Lay, Alaska. Presented at IARPC Coastal Resilience Collaborations Team Meeting, Online, 2 November. (Oral Presentation)
    4. Dodd, R., and Biddle, J. 2022. Strategies to lessen the impacts of thawing permafrost on community health and infrastructure. Presented at Alaska Health Summit, Anchorage, AK, 18-20 January. (Poster)
    5. Evans, S.G., Raberg, J.H., Crump, S.E., Raynolds, M.K., Sugg, M.M., Brodie, A.R., and Miller, G.H. 2022. Control of short-stature vegetation type on shallow ground temperatures in permafrost across the eastern Canadian Arctic. JGR Biogeosciences, 127:e2022JG006941. doi:10.1029/2022JG006941
    6. Frost, G. V., Macander, M. J., Bhatt, U. S., Berner, L. T., Bjerke, J. W., Epstein, H. E., Forbes, B. C., Goetz, S. J., Lara, M. J., Phoenix, G. K., Serbin, S. P., Tommervik, H., Walker, D. A., and Yang, D. 2022. Tundra greenness. In: M.L. Druckenmiller, R.L. Thoman, and T.A. Moon (eds.), Arctic Report Card 2022. NOAA technical report OAR ARC, 22-09, pp. 66-71. doi:10.25923/g8w3-6v31 (Website)
    7. Frost, G.V., Bhatt, U.S., Macander, M.J., Epstein, H.E., Raynolds, M.K., and Walker, D.A. 2022. Forty years through the looking glass: spaceborne circumpolar tundra greenness observation enters its 5th decade. Presented at 16th International Circumpolar Remote Sensing Symposium, Fairbanks, AK, 16-20 May. (Abstract, pp. 20-21) (Oral Presentation)
    8. Hollister, K.V., Thomas, E.K., Raynolds, M.K., Bültmann, H., Raberg, J.H., Miller, G.H., and Sepúlveda, J. 2022. Aquatic and terrestrial plant contributions to sedimentary plant waxes in a modern arctic lake setting. JGR Biogeosciences, 127:e2022JG006903. doi:10.1029/2022JG006903
    9. Jones, B., Peirce, J.L., Kanevskiy, M., Shur, Y.L., Curry, T., Bolz, P., and Tracey, B. 2022. Point Lay permafrost: infrastructure and permafrost degradation in Point Lay, Alaska. Witness Community Highlights, 27-Sep. (Online)
    10. Jorgenson, M.T., Kanevskiy, M., Roland, C., Hill, K., Schirokauer, D., Stehn, S., Schroeder, B., and Shur, Y. 2022. Repeated permafrost formation and degradation in boreal peatland ecosystems in relation to climate extremes, fire, ecological shifts, and a geomorphic legacy. Atmosphere, 13:1170. doi:10.3390/atmos13081170
    11. Kanevskiy, M., Shur, Y., Bigelow, N.H., Bjella, K.L., Douglas, T.A., Fortier, D., Jones, B.M., and Jorgenson, M.T. 2022. Yedoma cryostratigraphy of recently excavated sections of the CRREL permafrost tunnel near Fairbanks, Alaska. Frontiers in Earth Science, 9:758800. doi:10.3389/feart.2021.758800
    12. Kanevskiy, M., Shur, Y., Walker, D.A., Jones, B.M., Jorgenson, M.T., Watson-Cook, E., Breen, A.L., Bergstedt, H., Daanen, R., Liljedahl, A., Peirce, J.L., Raynolds, M.K., Veremeeva, A. 2022. Ice-wedge degradation and stabilization in the Prudhoe Bay Oilfield, Alaska (2011-2022). Presented at AGU Fall Meeting, Chicago, Illinois, 12-16 December, GC55K-0351. (Abstract) (Poster)
    13. Kanevskiy, M., Shur, Y., Walker, D.A., Jorgenson, M.T., Raynolds, M., Peirce, J., Jones, B., Buchhorn, M., Matyshak, G., Bergstedt, H., Breen, A., Connor, B., Daanen, R., Liljedahl, A., Romanovsky, V. and Watson-Cook, E. 2022. The shifting mosaic of ice-wedge degradation and stabilization in response to infrastructure and climate change, Prudhoe Bay Oilfield, Alaska. Arctic Science, 8:498-530. doi:10.1139/as-2021-0024(Open Access)
    14. Karjalainen, O., Aalto, J., Kanevskiy, M.Z., Luoto, M. and Hjort, J. 2022. High-resolution predictions of ground ice content for the northern hemisphere permafrost region. Earth System Science Data, [preprint]. doi:10.5194/essd-2022-144
    15. Karjalainen, O., Aalto, J., Kanevskiy, M.Z., Luoto, M. and Hjort, J. 2022. Ground ice content predictions for the Northern Hemisphere permafrost region at 1-km resolution, version 1.1. doi:10.5281/zenodo.6497314
    16. Liew, M., Ji, X., J., Xiao, M., Farquharson, L., Nicolsky, D., Romanovsky, V., Bray, M., Zhang, X. and McComb, C. 2022. Synthesis of physical processes of permafrost degradation and geophysical and geomechanical properties of permafrost. Cold Regions Science and Technology, 198:103522. doi:10.1016/j.coldregions.2022.103522
    17. Liew, M., Xiao, M., farguharson, L., Nicolsky, D., Jensen, A., Romanovsky, V., Peirce, J., Alessa, L., McComb, C., Zhang, X. and Jones, B. 2022. Understanding effects of permafrost degradation and coastal erosion on civil infrastructure in arctic coastal villages: a community survey and knowledge co-production. Journal of Marine Science and Engineering, 10:422. doi:10.3390/jmse10030422(Open Access)
    18. Miller, G.H., Wolfe, A.P., Axford, Y., Briner, J.P., Bueltmann, H., Crump, S., Francis, D., Fréchette, B., Gorbey, D., Kelly, M. and McFarlin, J. 2022. Last interglacial lake sediments preserved beneath Laurentide and Greenland Ice sheets provide insights into Arctic climate amplification and constrain 130 ka of ice?sheet history. Journal of Quaternary Science, 37(5), pp.979-1005. doi:10.1002/jqs.3433
    19. Minsley, B.J., Pastick, N.J., James, S.R., Brown, D.R., Wylie, B.K., Kass, M.A., and Romanovsky, V.E. 2022. Rapid and gradual permafrost thaw: A tale of two sites. Geophysical Research Letters, 49:E2022gl100285. doi:10.1029/2022GL100285
    20. Peirce, J.L. 2022. Learning by doing: Collaborative practice with the Native Village of Point Lay and regional partners on an NNA Track 1 project. Presented at NNA Community Office Meeting, Anchorage, Alaska, 15-17 November. (Poster)
    21. Povoroznyuk, O., Vincent, W.F., Schweitzer, P., Laptander, R., Bennett, M., Calmels, F., Sergeev, D., Arp, C., Forbes, B.C., Roy-Léveillée, P., and Walker, D.A. 2022. Arctic roads and railways: social and environmental consequences of transport infrastructure in the circumpolar North. Arctic Science, e-First. doi:10.1139/as-2021-0033
    22. Raynolds, M., Bultmann, H., Kasanke, S., Raberg, J. and Miller, G. 2022. Vegetation response to a climate gradient in the eastern Canadian arctic. Presented at 16th International Remote Sensing Conference, Fairbanks, Alaska, 16-20 May. (Poster)
    23. Shur, Y., Fortier, D., Jorgenson, M.T., Kanevskiy, M., Schirrmeister, L., Strauss, J., Vasiliev, A., and Ward Jones, M. 2022. Yedoma permafrost genesis: over 150 years of mystery and controversy. Frontiers in Earth Science, 9:757891. doi:10.3389/feart.2021.757891
    24. Walker, D.A. 2022. NNA Track 1: Landscape evolution and adapting to change in ice-rich permafrost systems. Annual report to the National Science Foundation, submitted 10/5/2022. (PDF)
    25. Walker, D.A., Bartsch, A., Bergstedt, H., Bhatt, U.S., Brown, J., Daanen, R., Epstein, E., Frost, G.V., Jones, B.M. & (...) Zwieback, S. 2022. 70-year retrospective of remote sensing applied to cumulative impact assessments, Prudhoe Bay Oilfield, Alaska. Presented at 16th International Circumpolar Remote Sensing Symposium, Fairbanks, Alaska, 16-20 May. (Abstract, pp. 16-19) (Oral Presentation)
    26. Walker, D.A., Kanevskiy, M., Breen, A.L., Kade, A., Daanen, R.P., Jones, B.M., Nicolsky, D.J., Bergstedt, H., Watson-Cook, E., and Peirce, J.L. 2022. Observations in ice-rich permafrost systems, Prudhoe Bay Alaska, 2020-21. Alaska Geobotany Center Data Report AGC 22-01. University of Alaska Fairbanks, Fairbanks, Alaska. doi:10.18739/A28G8FK0H (PDF)
    27. Walker, D.A., Raynolds, M.K., Kanevskiy, Shur, Y., Romanovsky, V.E., Jones, B.M., Buchhorn, M., Jorgenson, M.T., Sibik, J., Breen, A.L., Kade, A., Watson-Cook, E., Matyshak, G., Bergstedt, H., Liljedahl, A., Daanen, R., Connor, B., Nicolsky, D. and Peirce, J.L. 2022. Cumulative impacts of a gravel road and climate change in an ice-wedge polygon landscape, Prudhoe Bay, Alaska. Arctic Science, 8:1040-1066. doi:10.1139/as-2021-0014(Open Access)
    28. Watson-Cook, E. 2022. Thermokarst-pond plant community characteristics and effects on ice-wedge degradation in the Prudhoe Bay region, Alaska. M.S. Thesis.. University of Alaska Fairbanks.
    29. Zwieback, S., McClernan, M.T., Kanevskiy, M.Z, Jorgenson, T., Walker, D.A., Chang, Q, Bergstedt, H., Toniolo, H.A., Romanovsky, V.E., and Meyer, F.J. 2022. Disparate permafrost landscape changes following the 2015 Sagavanirktok River flood, Alaska. Presented at AGU Fall Meeting, Chicago, Illinois, 12-16 December, GC51C-01. (Abstract) (Oral Presentation)

  1. 2021

    1. Bartsch, A., Pointner, G., Nitze, I., Efimova, A., Jakober, D., Ley, S., Högström, E.,, Grosse, G., and Schweitzer, P. 2021. Expanding infrastructure and growing anthropogenic impacts along Arctic coasts. Environmental Research Letters, 16:115013. doi:10.1088/1748-9326/ac3176
    2. Bergstedt, H., Jones, B., Walker, D., Peirce, J, Bartsch, A. and Pointner, G. 2021. Quantifying the spatial and temporal influence of infrastructure on seasonal snow melt timing and its influence on vegetation productivity and early season surface water cover in the Prudhoe Bay Oilfields. Presented at EGU General Assembly, Online, 19-30 April 2021, EGU21-10296. doi:10.5194/egusphere-egu21-10296, 2021 (Oral Presentation)
    3. Bhatt, U.S. Walker, D., Raynolds, M. and Walsh, J. 2021. Climate drivers as indicators of arctic tundra vegetation variability and change. Presented at American Meteorological Society, 101st Annual Meeting, virtual, 14 January. (Oral Presentation)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Walsh, J.E., Bieniek, P.A., Cai, L., Comiso, J.C., Epstein, H.E., Frost, G.V., Gersten, R., Hendricks, A.S., Pinzon, J.E., Stock, L. and Tucker, C. 2021. Climate drivers of Arctic tundra variability and change using an indicators framework. Environmental Research Letters, 16:055019. doi:10.1088/1748-9326/abe676
    5. Crump, S.E., Frechette, B., Power, M., Raynolds, M.K., Raberg, J.H., Briner, J.P., Thomas, E.K. & (...) Miller, G.H. 2021. Ancient plant DNA reveals High Arctic greening during the Last Interglacial. PNAS, 118:e2019069118. doi:10.1073/pnas.2019069118
    6. Frost, G.V., Bhatt, U.S., Epstein, H.E., Myers-Smith, I., Phoenix, G.K., Berner, L.T., Bjerke, J.W., Forbes, B.C., Goetz, S.J., Kerby, J.T., Macander, M.J., Park, T., Raynolds, M.K., Tømmervik, H. and Walker, D.A. 2021. Tundra greenness. In: R.L. Thoman, J. Richter-Menge, and M.L. Druckenmiller (eds.), Arctic Report Card 2020, pp. 68-78. doi:10.25923/46rm-0w23 (Website)
    7. Frost, G.V., Macander, M.J., Bhatt, U.S., Epstein, H.E., Berner, L.T., Bjerke, J.W., Forbes, B.C., Goetz, S.J., Lara, M.J., Park, T., Phoenix, G.K., Raynolds, M.K., Tømmervik, H. and Walker, D. A. 2021. Tundra greenness [in "State of the Climate in 2020"]. Bulletin of the American Meteorological Society, 102(8):S297-S299. doi:10.1175/BAMS-D-21-0086.1
    8. Gorbey, D.B., Thomas, E.K., Crump, S.E., Hollister, K.V., Raynolds, M.K., Raberg, J.H., de Wet, G., Sepúlveda, J., and Miller, G.H. 2021. Southern Baffin Island mean annual precipitation isotopes modulated by summer and autumn moisture source changes during the past 5800 years. Journal of Quaternary Science, 37:967-978. doi:10.1002/jqs.3390
    9. Jin, H.J., Wu, Q.B., and Romanovsky, V.E. 2021. Degrading permafrost and its impacts. Advances in Climate Change Research, 12:1-5. doi:10.1016/j.accre.2021.01.007
    10. Landers, Z. 2021. Effects of Ice Rich Permafrost on Infrastructure. Presented at National Renewable Energy Laboratory Summer, Internship Research Poster Session, 6 August. (Poster)
    11. Schneider von Deimling, T., Lee, H., Ingeman-Nielsen, T., Westermann, S., Romanovsky, V., Lamoureux, S., Walker, D.A., Chadburn, S., Trochim, E., Cai, L., Nitzbon, J., Jacobi, S. and Langer, M. 2021. Consequences of permafrost degradation for Arctic infrastructure - bridging the model gap between regional and engineering scales. The Cryosphere, 15:2451-2471. doi:10.5194/tc-15-2451-2021
    12. Sehmel, T. 2021. Potential Mitigation Strategies for Buildings and Infrastructure on Thawing Permafrost. Presented at One Health, One Future Conference, Online, 6-11 April. (Poster)
    13. Shur, Y., Jones, B.M., Kanevskiy, M., Jorgenson, T., Jones, M.K.W., Fortier, D., Stephani, E., and Vasiliev, A. 2021. Fluvio-thermal erosion and thermal denudation in the yedoma region of northern Alaska: revisiting the Itkillik River exposure. Permafrost and Periglacial Processes, 32:227-298. doi:10.1002/ppp.2105
    14. Strauss, J., Laboor, S., Schirrmeister, L., Fedorov, A.N., Fortier, D., Froese, D., Fuchs, M., Günther, F., Grigoriev, M., Harden, J., Gugelius, G., Jongenans, L.L., Kanevskiy, M., Kholodov, A., Kunitsky, V., Kraev, G., Lozhkin, A., Rivkina, E., Shur, Y., Siegert, C., Spektor, V., Streletskaya, I., Ulrich, M., Vartanyan, S., Veremeeva, A., Anthony, K.W., Wetterich, S., Zimov, N., and Grosse, G. 2021. Circum-Arctic map of the Yedoma permafrost domain. Frontiers in Earth Science, 9:758360. doi:10.3389/feart.2021.758360
    15. Sulman, B.N., Salmon, V.G., Iversen, C.M., Breen, A.L., Yuan, F., and Thornton, P.E. 2021. Integrating arctic plant functional types in a land surface model using above‐and belowground field observations. Journal of Advances in Modeling Earth Systems, 13:e2020MS002396. doi:10.1029/2020MS002396
    16. Walker, D.A. 2021. NNA Track 1: Landscape evolution and adapting to change in ice-rich permafrost systems. Annual report to the National Science Foundation, submitted 8/19/2021 (with supporting files). (PDF)
    17. Walker, D.A. 2021. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Final report to the National Science Foundation, submitted 11/20/2021. (PDF)
    18. Walker, D.A., Peirce, J.L., Breen, A., Kade, A., Bergstedt, H., Daanen, R. and Watson-Cook, E. 2021. Navigating the New Arctic: landscape evolution and adaptation to change in ice-rich permafrost systems. Field report of the NNA-IRPS vegetation expedition, Prudhoe Bay, Alaska, 13 July-3 August. (PDF)
    19. Walker, D.A., Raynolds, M.K., Kanevskiy, M.Z., Shur, Y., Romanovsky, V.E., Jones, B.M., Buchhorn, M., Jorgenson, M.T., Sibík, J., Breen, A.L., Watson-Cook, E., Bergstedt, H., Liljedahl, A., Daanen, R., Nikolsky, D., Connor, B. and Peirce, J.L. 2021. Cumulative impacts of a gravel road and climate change in an ice-wedge polygon landscape, Prudhoe Bay Oilfield, AK. Presented at Arctic Science Summit Week 2021, Online, 19-26 March, Session 19. (Oral Presentation)
    20. Walker, D.A., and Peirce, J.L. 2021. Navigating the New Arctic with a focus on ground ice: Landscape change and adapting to change in ice-rich permafrost systems in Prudhoe Bay and Point Lay, Alaska. Presented at RATIC Workshop, Arctic Science Summit Week, Online, 21 March. (Abstract) (Oral Presentation)
    21. Witharana, C., Bhuiyan, M.A.E., Liljedahl, A.K., Kanevskiy, M., Jorgenson, T., Jones, B.M., Daanen, R., Epstein, H.E., Griffin, C.G., Kent, K., and Jones, M.K.W. 2021. An object-based approach for mapping tundra ice-wedge polygon troughs from very high spatial resolution optical satellite imagery. Remote Sensing, 13:558. doi:10.3390/rs13040558

  1. 2020

    1. Beamish, A., Raynolds, M.K., Epstein, H., Frost, G.V., Macander, M.J., Bergstedt, H., Bartsch, A., Kruse, S., Miles, V. & (...) Wagner, J. 2020. Recent trends and remaining challenges for optical remote sensing of Arctic tundra vegetation: A review and outlook. Remote Sensing of Environment, 246:111872. doi:10.1016/j.rse.2020.111872
    2. Bergstedt, H., Jones, B, Walker, D.A. Farquharson, L., Breen, A. and Hinkel, K. 2020. Mapping lake drainage and drained lake basins around Point Lay, Alaska using multi-source remote sensing data. Presented at EGU General Assembly 2020, Online, 4-8 May, EGU2020-11919. doi:10.5194/egusphere-egu2020-11919 (Oral Presentation)
    3. Bergstedt, H., Jones, B.M., Farquharson, L.M., Gaglioti, B., Parsekian, A., Kanevskiy, M.Z., Hinkel, K.M., Correa Rangel, R., Ohara, N., Breen, A.L., and Walker, D.A. 2020. Towards panarctic mapping of drained lake basins in permafrost regions. AGU Fall Meeting Abstracts, December C013-0001. (Oral Presentation)
    4. Connor, B., Goering, D.J., Kanevskiy, M., Trochim, E., Bjella, K.L., and McHattie, R.L. 2020. Roads and airfields constructed on permafrost: a synthesis of practice. Arctic Infrastructure Development Center, University of Alaska Fairbanks. Fairbanks, AK, INEautc‐2020.11. (AKDOT&PF Report No. 000S927)
    5. Frost, G.V., Bhatt, U.S., Epstein, H.E., Berner, L.T., Bjerke, J.W., Forbes, B.C., Goetz, S.J., Lara, M.J., Macander, M.J., Phoenix, G.K., Raynolds, M.K., Tømmervik, H. and Walker, D.A. 2020. Tundra greenness [in "State of the Climate in 2019"]. In: Bulletin of the American Meteorological Society. 101(8):S272-S274. doi:10.1175/BAMS-D-20-0086.1
    6. Grosse, G., Boike, J., Farquharson, L., Jones, B.M., Langer, M., Lantuit, H., Liljedahl, A., Nitze, I., Runge, A., Romanovsky, V.E., Schneider von Deimling, T., Warwick, V.F., and Walker, D.A. 2020. Gradual and Abrupt Permafrost Thaw as Drivers of Rapid Geomorphic Change in Arctic Permafrost Regions. EGU General Assembly Conference Abstracts, 11772.
    7. Myers-Smith, I.H., Kerby, J.T., Phoenix, G.K., ...Walker, D.A., ...and Wipf, S. 2020. Complexity revealed in the greening of the Arctic. Nature Climate Change, 2:106-117.
    8. Myers-Smith, I.H., Kerby, J.T., Phoenix, G.K., ...Walker, D.A., ...and Wipf, S. 2020. Complexity revealed in the greening of the Arctic. Nature Climate Change, 2:106-117.
    9. Raynolds, M.K. 2020. Length, area, vegetation types and expected disturbance level of proposed 2019 seismic trails in Arctic National Wildlife Refuge 1002 Area, Alaska. Arctic Data Center. doi:10.18739/A2B56D49C
    10. Raynolds, M.K., Jorgenson, J.C., Jorgenson, M.T., Kanevskiy, M., Liljedahl, A.K., Nolan, M., Sturm, M. and Walker, D.A. 2020. Landscape impacts of 3D-seismic surveys in the Arctic National Wildlife Refuge, Alaska. Ecological Applications, 30(7):e02143. doi:10.1002/eap.2143
    11. Walker, D.A. 2020. NNA Track 1: Landscape evolution and adapting to change in ice-rich permafrost systems. Annual report to the National Science Foundation, submitted 9/1/2020 (with supporting files). (PDF)
    12. Walker, D.A. 2020. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 8/29/2020. (PDF)
    13. Walker, D.A. and Peirce, J.L. 2020. Navigating the New Arctic with a focus on ground ice: Landscape evolution and adapting to change in ice-rich permafrost systems (NNA-IRPS). Presented at IARPC Permafrost Collaborations Team Meeting, Online, 19 February. (Oral Presentation)

  1. 2019

    1. 2019. The Arctic Vegetation Archive and Arctic Vegetation Classification: Proceedings and abstracts from two workshops 2017 and 2019. In: Walker, D.A., G. Schaepman-Strub, E. Plekhanova, and J. Pierce., CAFF Proceedings Report. Conservation of Arctic Flora and Fauna, Akureyri, Iceland..
    2. Crump, S.E., Miller, G.H., Power, M., Sepúlveda, J., Dildar, N., Coghlan, M., and Bunce, M. 2019. Arctic shrub colonization lagged peak postglacial warmth: Molecular evidence in lake sediment from Arctic Canada. Global Change Biology, Dec;25(12):4244-56. doi:10.1111/gcb.14836
    3. Farquharson, L.M., Romanovsky, V.E., Kholodov, A.L., Nicolsky, D., Cable, W., Walker, D.A., and Kokelj, S.V. 2019. Long-term monitoring of permafrost degradation documents two forms of landscape response. AGU Fall Meeting Abstracts, 2019:C22C-03.
    4. Kumpula, T., Raynolds, M.K. & Walker, D.A. 2019. Mapping of Cumulative Impacts of Oil and Gas Development in Arctic Alaska and the Yamal Peninsula. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    5. Park, T., Chen, C., Macias?Fauria, M., Tømmervik, H., Choi, S., Winkler, A., Bhatt, U.S., Walker, D.A., Piao, S., Brovkin, V., and Nemani, R.R. 2019. Changes in timing of seasonal peak photosynthetic activity in northern ecosystems. Global Change Biology, 25(7):2382-2395. doi:10.1111/gcb.14638
    6. Raynolds, M.K., Walker, D.A. & Raster CAVM Team 2019. Russia portion of the new Raster Circumpolar Arctic Vegetation Map (CAVM). Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    7. Raynolds, M.K., Walker, D.A., Balser, A., Bay, C., Campbell, M., Cherosov, M.M., Daniëls, F.J.A., Eidesen, P.B., Ermokhina, K.A., Frost, G.V., et al. 2019. A raster version of the Circumpolar Arctic Vegetation Map (CAVM). Remote Sensing of Environment, 232:111297. doi:10.1016/j.rse.2019.111297
    8. Walker, D.A. 2019. 2019 Brooks Range & Beyond: Student photos of 2018 BIOL 495/695 student expedition. Alaska Geobotany Center Publication. (Low-res) (PDF)
    9. Walker, D.A. 2019. NNA Track 1: Landscape evolution and adapting to change in Ice-Rich Permafrost Systems (NNA-IRPS). Proposal to the National Science Foundation. (PDF)
    10. Walker, D.A. 2019. Landscape evolution and adapting to change in ice-rich permafrost systems (NNA-IRPS). Institute of Arctic Biology (IAB) Life Sciences Seminar Series. University of Alaska Fairbanks, Fairbanks, AK, October 25. (Oral Presentation)
    11. Walker, D.A. 2019. Landscape evolution and adapting to change in ice-rich permafrost systems (NNA-IRPS). Presented at Bridging Science, Art, and Community in the New Arctic, UVA, Charlottesville, Virginia, 23-25 September. (Oral Presentation)
    12. Walker, D.A. 2019. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 8/30/2019. (PDF)
    13. Walker, D.A. (ed.) 2019. CAFF Proceeding Series Report September 2019. Arctic Vegetation Archive and Arctic Vegetation Classification: Proceedings and abstracts from two workshops 2017 and 2019. Akureyri, Iceland. (CAFF site) (Proceedings)
    14. Walker, D.A. and Peirce, J.L. 2019. RATIC / T-MOSAiC Connections and Opportunities. Workshop Report to the IASC Secretariat, 2 September. (PDF)
    15. Walker, D.A., Epstein, H.E., Sibik, J., Bhatt, U., Romanovsky, V., Breen, A.L., Chasnikova, S., Daanen, R., Druckenmiller, L.A. & (...) Timling, I. 2019. Vegetation along the 1700-km Yamal Peninsula-Franz Josef Land Eurasia Arctic Transect. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    16. Walker, D.A., Epstein, H.E., Sibik, J., Bhatt, U., Romanovsky, V.E., Breen, A.L., et al. 2019. Vegetation on mesic loamy and sandy soils along a 1700-km maritime Eurasia Arctic Transect. Applied Vegetation Science, 2019; 22:150-167. doi:1111/avsc.12401 (PDF)
    17. Walker, D.A., Jorgenson, M.T., Kanevskiy, M., Liljedahl A.K., Nolan, M., Raynolds, M.K. and Sturm, M. 2019. Likely impacts of proposed 3D-seismic surveys to the terrain, permafrost, hydrology, and vegetation in the 1002 Area, Arctic National Wildlife Refuge, Alaska. Alaska Geobotany Center Publication AGC 19-01. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    18. Walker, D.A., Peirce, J.L., Kumpula, T., Romanovsky, V., Schweitzer, P. & Vincent, W. 2019. RATIC-TMOSAiC connections and opportunities. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Oral Presentation)
    19. Walker, D.A., Raynolds, M.K., Breen, A.L., Druckenmiller, L.A., Sibik, J., Epstein, H.E., Byatt, U.S. & Shaepman-Strub, G. 2019. Circumpolar Arctic vegetation classification, mapping, and transects: a framework for Arctic change monitoring and analysis. Presented at Arctic Science Summit Week, Arkhangelsk, Russia, 22-30 May. (Poster)
    20. Šibík, J., Walker, D.A., Breen, A.L., Raynolds, M.K., Pierce, J., Druckenmiller, L., Daniëls, F.J., Matveyeva, N.V., Walker, M.D., Bültmann, H. and Hennekens, S.M. 2019. Progress on an Alaska Arctic vegetation classification using the AVAAK. CAFF Proceeding Series Report September 2019, 19-20.

  1. 2018

    1. Babkina, E.A., Leibman, M.O. and Khomutov, A.V. 2018. Active layer dynamics on Central Yamal, Russia due to climatic fluctuations. In: P. Deline, X. Bodin and L. Ravanel (eds.), 5th European Conference on Permafrost - Book of Abstracts, 23 June-1 July, Chamonix, France. Edytem, pp. 551-552. (Proceedings)
    2. Breen, A.L. 2018. Arctic vegetation plots, poplars, Arctic and Interior AK, and YT, Canada, 2003-2005. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1376
    3. Breen, A.L. and Walker, D.A. 2018. Arctic vegetation plots in burned and unburned tundra, Alaska, 2011-2012. ORNL DAAC. doi:doi.org/10.3334/ORNLDAAC/1547
    4. Churchill, E.D. 2018. Arctic vegetation plots at Umiat, North Slope, Alaska, 1951. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1370
    5. Davidson, S.J., and Zona, D. 2018. Arctic vegetation plots in flux tower footprints, North Slope, Alaska, 2014. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1546
    6. Ebersole, J.J. 2018. Arctic vegetation plots at Oumalik, AK, 1983-1985. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1506
    7. Frost, G.V., Epstein H.E., Walker, D.A., Matyshak G., & Ermokhina, K. 2018. Seasonal and Long-Term Changes to Active-Layer Temperatures after Tall Shrubland Expansion and Succession in Arctic Tundra. Ecosystems, 21:507-520. doi:10.1007/s10021-017-0165-5
    8. Fuchs, M., Grosse, G., Jones, B.M., Strauss, J., Baughman, C.A., and Walker, D.A. 2018. Sedimentary and geochemical characteristics of two small permafrost-dominated Arctic river deltas in northern Alaska. arktos, 4(1):1-18. doi:10.1007/s41063-018-0056-9
    9. Hanson, H.C. 2018. Arctic vegetation plots at Nome, Alaska, 1951. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1372
    10. Jorgenson, J.C. and Walker, D.A. 2018. Land cover and vegetation map, Arctic National Wildlife Refuge. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1384
    11. Jorgenson, M.T. 2018. Arctic vegetation plots in NPS arctic network parks, Alaska, 2002-2008. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1542
    12. Kade, A.N. 2018. Arctic vegetation plots at frost boil sites, North Slope, Alaska, 2000-2006. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1361
    13. Loranty, M.M., Abbott, B.W., Blok, D., ...and Walker, D.A. 2018. Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions. Biogeosciences, 15(17):5287-5313. doi:10.5194/bg-15-5287-2018
    14. Muller, S., Walker, D.A., and Jorgenson, M.T. 2018. Land cover and ecosystem map collection for Northern Alaska. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1359
    15. Raynolds, M.K. 2018. Arctic vegetation plots ATLAS project North Slope and Seward Peninsula, AK, 1998-2000. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1541
    16. Raynolds, M.K. and Walker, D.A. 2018. Geobotanical and impact map collection for Prudhoe Bay Oilfield, Alaska, 1972-2010. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1387
    17. Raynolds, M.K., and Walker, D.A. 2018. A raster-based circumpolar arctic vegetation map. Presented at 48th Annual International Arctic Workshop, Boulder, CO, April 5-6. (Abstract, p. 45)
    18. Reichle, L.M., Epstein, H.E., Bhatt, U.S., Raynolds, M.K. and Walker, D.A. 2018. Spatial Heterogeneity of the Temporal Dynamics of Arctic Tundra Vegetation. Geophysical Research Letters, 45:9206-9215. doi:10.1029/2018GL078820
    19. Schickhoff, U. 2018. Arctic vegetation plots in willow communities, North Slope, Alaska, 1997. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1368
    20. Sloan, V.L. 2018. Arctic vegetation plots for NGEE-Arctic at Barrow, Alaska, 2012. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1505
    21. Talbot, S.S. 2018. Arctic vegetation plots on Unalaska Island, Aleutian Islands, Alaska, 2007. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1375
    22. Tweedie, C.E., Webber, P.J., Komarkova, V., and Villarreal, S. 2018. Arctic vegetation plots at Atqasuk, Alaska, 1975, 2000, and 2010. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1371
    23. Walker, D. A. 2018. Arctic vegetation plots legacy project Barter Island and Point Barrow, Alaska, 1994. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1534
    24. Walker, D. A. 2018. Arctic vegetation plots at ARCSS/LAII flux sites, North Slope, Alaska, 1995-1996. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1536
    25. Walker, D. A. 2018. Arctic vegetation plots, Prudhoe Bay ArcSEES Road Study, Lake Colleen, Alaska, 2014. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1555
    26. Walker, D. A. 2018. Arctic vegetation plots in Imnavait Creek, Alaska, 1984-1985. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1356
    27. Walker, D. A. 2018. Arctic vegetation plots at Prudhoe Bay, Alaska, 1973-1980. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1360
    28. Walker, D. A. 2018. Maps of vegetation types and physiographic features, Kuparuk River Basin, Alaska. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1378
    29. Walker, D. A. 2018. Maps of vegetation types and physiographic features, Toolik Lake Area, Alaska. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1380
    30. Walker, D. A. 2018. Arctic vegetation plots at Happy Valley, Alaska, 1994. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1354
    31. Walker, D. A. 2018. Arctic vegetation plots at Happy Valley, Alaska, 1994. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1354
    32. Walker, D. A. 2018. Arctic vegetation plots at Toolik Lake, Alaska, 1989. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1333
    33. Walker, D. A. and Raynolds, M.K. 2018. Maps of vegetation, NDVI, snow and thaw depths: North Slope, Alaska and NWT, Canada. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1386
    34. Walker, D. A. and Raynolds, M.K. 2018. Circumpolar arctic vegetation, geobotanical, physiographic maps, 1982-2003. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1323
    35. Walker, D.A, Epstein, H.E., Bhatt, U.S., Romanavsky, V., Raynolds, M.K., Leibman, M.O., Kumpula, T., Kofinas, G., Matyshak, G., Ermokhina, K. and Yu, Q. 2018. Yamal LCLUC Synthesis: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia and relevance to the circump...Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK. (Grant NNX14AD90G) (PDF)
    36. Walker, D.A. 2018. Vegetation of the European Arctic Transect (EAT) Yamal Peninsula and Franz Jozef Land, Russia. Presented at Arctic Biomass Workshop, Longyearbyn, Svalbard, 9-12 October.
    37. Walker, D.A. 2018. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 7/19/2018. (PDF)
    38. Walker, D.A., Daniëls, F.J.A., Matveyeva, N.V., Sibik, J., Walker, M.D., Breen, A.L., Druckenmiller, L.A., Raynolds, M.K. & (...) Wirth, L.M. 2018. Circumpolar Arctic Vegetation Classification. Phytocoenologia, 48:181-201. doi:10.1127/phyto/2017/0192(Open Access) (PDF)
    39. Walker, D.A., Kanevskiy, M., Shur, Y., Raynolds, M., Peirce, J.L., Buchhorn, M., Ermokhina, K. and Druckenmiller, L.A. 2018. Snow, thaw, temperature, and permafrost borehole data from the Colleen and Airport sites, Prudhoe Bay, and photos of Quintillion fiber optic cable impacts, North Slope, Alaska. Alaska Geobotany Center Publication AGC 18-01. University of Alaska Fairbanks, Fairbanks, AK, 74 pp. doi:10.18739/A28K74X6T (PDF)
    40. Walker, D.A., Shur, Y., Kanevskiy, M., Raynolds, M., Kofinas, G., Romanovsky, V., et al. 2018. Cumulative effects of oilfield infrastructure and climate change in the Prudhoe Bay Oilfield, Alaska, illustrate the need for an international strategy to address rapid arctic transitions due to infrastructure and climate. Frontiers in Ecology and the Environment, submitted.
    41. Walker, M.D. 2018. Arctic vegetation plots from pingo communities, North Slope, Alaska, 1984-1986. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1507
    42. Webber, P.J., Villarreal, S., and Tweedie, C.E. 2018. Arctic vegetation plots for IBP tundra biome, Barrow, Alaska, 1972-2010. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1535

  1. 2017

    1. Bhatt, U.S. 2017. Arctic observations from the point of view of a data user. Presented at Finnish Meteorological Institute Arctic Science Networking Workshop, 30 August, Helsinki, Finland.
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K. and Epstein, H.E., 2017. Humidification of the Arctic. Effects of more open ocean water on land temperatures and tundra productivity along continental and maritime bioclimate transects (Invited). Presented at AGU Fall Meeting, 11-15 December, New Orleans, LA. (Abstract B41A-1923) (Poster)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Bieniek, P.A., Comiso, C., Pinzon, J.E. and Tucker, C.J. 2017. Humidification of the Arctic: Effects of changing sea-ice on summer land temperatures, continentality and NDVI along transects in Eurasia and North America. Presented at Svalbard Biomass Workshop, 9-12 October, Longyearbyen, Norway.
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E. and Tucker, C.J. 2017. Climate Drivers of Tundra Vegetation Greening/Browning in the Arctic. Presented at IARC Salon, April 13, Fairbanks, Alaska.
    5. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E. and Tucker, C.J. 2017. Possible causes of arctic tundra vegetation productivity declines (Invited). Presented at AGU Fall Meeting, 11-15 December, New Orleans, LA. (Abstract B43J-01)
    6. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E. and Tucker, C.J. 2017. On understanding the climate drivers of tundra vegetation greening/browning in the Arctic. Presented at Chapman Chair Symposium, September 3, Fairbanks, Alaska.
    7. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2017. Changing seasonality of Pan-Arctic tundra vegetation in relation to climatic variables. Environmental Research Letters, 12:055003. doi:1088/1748-9326/aa6b0b
    8. Bratsch, S.N., Epstein, H.E., Buchhorn, M., Walker, D.A. and Landes, H.A. 2017. Relationships between hyperspectral data and components of vegetation biomass in Low Arctic tundra communities at Ivotuk, Alaska. Environmental Research Letters, 12:025003.
    9. Breen, A., Sibik, J., Druckenmiller, L., Daniels, F., Hennekens, S., Walker, M., et al. 2017. Status of the Circumpolar Alaska Vegetation Archive and the regional arctic Alaska prototype. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 038, p. 129)
    10. Epstein, H., Walker, D., Sibik, J., Chasnikova, S., Frost, G., Leibman, M., Matyshak, G. & Raynolds, M. 2017. Vegetation community and ecosystem properties along the Eurasian Arctic Transect (EAT). Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 065, p. 139) (Oral Presentation)
    11. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A., Forbes, B.C., Horstkotte, T., Macias-Fauria, M., Martin, A., Phoenix, G., Bjerke, J., Tømmervik, Hl, Fauchald, P., Vickers, H., Myneni, R. and Dickerson, C. 2017. Tundra Greenness. In: Arctic Report Card 2017. (Website)
    12. Ermokhina, K. 2017. Russian arctic datasets of releves meeting requirements for classification of vegetation using Braun-Blanquet approach. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract P 142, p. 134) (Poster)
    13. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G. and Ermokhina, K. 2017. Seasonal and long-term changes to active-layer temperatures after tall shrubland expansion and succession in arctic tundra. Ecosystems, 16, 1296. doi:1007/s10021-017-0165-5
    14. Goncharova, O., Matyshak, G. & Bobrik, A. 2017. Climate and soil temperature variation in the forest-tundra transition near Nadym, West Siberia, Russia. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 067, p. 139) (Oral Presentation)
    15. Kanevskiy, M., Shur, Y., Jorgensen, T., Brown, D.R.N., Moskalenko, N., Brown, J., Walker, D.A., Raynolds, M.K. & Buchhorn, M. 2017. Degradation and stabilization of ice wedges: Implications for assessing risk of thermokarst in northern Alaska. Geomorphology, 297:20-42. doi:10.1016/j.geomorph.2017.09.001
    16. Kumpula, T., Macias-Fauria, M., Skarin, A., Verdonen, M., Korpelainen, P. and Forbes, B. 2017. Drivers of landcover changes in tundra reindeer pastures of Yamal, west Siberia. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 152, p. 168) (Oral Presentation)
    17. Kumpula, T., Verdonen, M., Korpelainen, P. & Forbes, B. 2017. Cryogenic landslide activity in early 1970s and late 1980s in central Yamal, Russia, observed from satellite image time series. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 068, p. 140) (Oral Presentation)
    18. Kuznetsova, E. 2017. Effect of climate change and resource scarcity on road and railways infrastructure: Norwegian case study. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 116, p. 168) (Oral Presentation)
    19. Leibman, M.O., Khomutov, A.V., Mullanurov, D., Orekhov, P., Ponomareva, O. & Gravis, A. 2017. ArcGIS interactive map for EAT database. Presented at NASA Yamal Synthesis project meeting, Prague, CZ, April 6, 2017. (Oral Presentation)
    20. Matyshak, G., Walker, D.A., Epstein, H.E., Leibman, M.O., Moskalenko, N.G. & Orekhov, P.T. 2017. Characteristics of cryogenic soils along the latitudinal transect in the northwestern Siberia, Russia. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 066, p. 141) (Oral Presentation)
    21. Mård, J., Box, J.E., Brown, R., Mack, M., Mernild, S.H., Walker, D. and Walsh, J. 2017. Cross-cutting scientific issues. In: AMAP (Ed.), Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2017. Oslo, Norway: Arctic Monitoring and Assessment Programme (AMAP), pp. 231-256. (Website)
    22. Orekhov, P., Slagoda, E. & Popov, K. 2017. Factors of spatial differentiation of cryogenic geosystems of the Bely Island arctic tundras. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 069, p. 141) (Oral Presentation)
    23. Raynolds, M.K., Breen, A.L., and Walker, D.A. 2017. Pre-ABoVe: Land cover and ecosystem map collection for Northern Alaska.. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1359
    24. Romanovsky, V., Isaksen, K., Drozdov, D., Anisimov, O., Instanes, A., Leibman, M., et al. 2017. Changing permafrost and its impacts. In: AMAP (Ed.), Snow, Water, Ice and Permafrost in the Arctic (SWIPA) 2018. Oslo, Norway: Arctic Monitoring and Assessment Programme (AMAP), pp. 65-102. (Website)
    25. Romanovsky, V., Nicolsky, D., Cable, W., Kholodov, A., Farquharson, L., Panda, S., et al. 2017. Measured and modeled changes in permafrost along North American Arctic Transect. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 100, p. 141)
    26. Romanovsky, V.E., Smith, S.L., Shiklomanov, N.I., Streletskiy, D.A., Isaksen, K., Kholodov, A.L., Christiansen, H.H., Drozdov, D.S., Malkova, G.V. and Marchenko, S.S. 2017. [The Arctic] Terrestrial Permafrost [in State of the Climate in 2016]. Bulletin of the American Meteorological Society, 98:S147-S151. (Website)
    27. Walker, D. A. and Raynolds, M.K. 2017. Pre-ABoVE: Arctic vegetation plots near Spine Road, Prudhoe Bay, Alaska, 2014. ORNL DAAC. Oak Ridge, Tennessee, USA. doi:10.3334/ORNLDAAC/1555
    28. Walker, D.A, Epstein, H.E., Leibman, M.O., Kumpula, T., Bhatt, U.S., Romanavsky, V., Kofinas, G., Khomutov, A.V., Matyshak, G., Raynolds, M.K., Ermokhina, K. and Curry, T. 2017. Yamal LCLUC Synthesis: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia and relevance to the circump...Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK. (Grant NNX14AD90G) (PDF)
    29. Walker, D.A. 2017. Second International Arctic Vegetation Archive Workshop, Prague, CZ, 30-31 March. Workshop Report to the IASC Secretariat. (PDF)
    30. Walker, D.A. 2017. Sustainable Arctic Infrastructure Forum (SAIF): An IASC Cross-cutting Workshop, Prague, CZ, 3 April. Workshop Report to the IASC Secretariat, 26 April. (PDF)
    31. Walker, D.A. 2017. Arctic transects as a concept: examples from Russia & North America: what do transects offer that normal one-site studies do not?. Presented at SVAL-GREEN Workshop, 22-24 May, Longyearbyn, Svalbard.
    32. Walker, D.A. 2017. Cumulative effects of arctic oil development: planning for a sustainable future. Presented at Kuukpik UAF Workshop, UAF, Fairbanks, AK, June 5.
    33. Walker, D.A. 2017. Vegetation of the European Arctic Transect (EAT) Yamal Peninsula and Franz Jozef Land, Russia. Presented at Slovak Academy of Sciences, Institute of Botany, Bratislava, Slovak Republic, 12 April.
    34. Walker, D.A. 2017. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 8/27/2017. (PDF)
    35. Walker, D.A., Breen, A.L., Druckenmiller, L.A., Sibi­k, J., Hennekens, S., Daniels, F.J.A., Matveyeva, N.V., MacKenzie, W.H., Walker, M.D. & Wirth, L.M. 2017. An Arctic Vegetation Archive for circumpolar arctic vegetation classification. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract P 150, p. 137) (Poster)
    36. Walker, D.A., Kanevskiy, M., Shur, Y., Raynolds, M., Buchhorn, M. and Matyshak, G. 2017. Rapid transitions caused by infrastructure and climate, Prudhoe Bay oilfield, Alaska, USA. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 115, p. 171) (Oral Presentation)
    37. Walker, D.A., Sibik, J., Chasnikova, S., Epstein, H.E., Ermokhina, K., Frost, G.V., Kaarlejarvi, E., Khitun, O., Khumotov, A., Kuss, P., Leibman, M.O., Matyshak, G., Moskalenko, N., Orekhov, P. & Raynolds, M.K. 2017. Vegetation of the European Arctic Transect (EAT), Yamal Peninsula and Franz Jozef Land, Russia. Presented at Arctic Science Summit Week, Prague, CZ, 31 March-7 April. (Abstract O 064, p. 142) (Oral Presentation)
    38. Yu, Q., Epstein, H., Engstrom, R. and Walker, D. 2017. Circumpolar arctic tundra biomass and productivity dynamics in response to projected climate change and herbivory. Global Change Biology, 23:3895–3907. doi:1111/gcb.13632

  1. 2016

    1. Bratsch, S.N., Epstein, H.E., Buchhorn, M. and Walker, D.A. 2016. Differentiating among Four Arctic Tundra Plant Communities at Ivotuk, Alaska Using Field Spectroscopy. Remote Sensing, 8(1):51. doi:10.3390/rs8010051
    2. Buchhorn, M., Prakash, A., Hampton, D. L., Cristóbal-Rosselló, J., Waigl, C. F., Stuefer, M. et al. 2016. HyLab: Alaska's in-state capability for airborne imaging spectroscopy - applications for permafrost. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 349. doi:10.2312/GFZ.LIS.2016.001 (Abstract, p. 349)
    3. Buchhorn, M., Raynolds, M.K., Walker, D.A., M. Willis, M., Wirth, L.M., Kanevskiy, M., Matyshak, G., Shur, Y., and Peirce, J. 2016. Effects of 45 years of heavy road traffic and climate change on the thermal regime of permafrost and tundra at Prudhoe Bay, Alaska. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 1203-1205. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 1203-1205) (Poster)
    4. Dvornikov, Y. and Khomutov, A. 2016. The impact of permafrost thaw and climatic fluctuations on the geochemistry of thermokarst lakes of Yamal peninsula. EGU General Assembly 2016. Vienna, Austria, April 17-22. (Geophysical Research Abstracts EGU2016-851) (Oral Presentation)
    5. Epstein H.E. 2016. Patterns and dynamics of arctic tundra plant diversity and relations to ecosystem processes. Presented at URPP Global Change and Biodiversity Conference, Monte Veritá; Ascona, Switzerland, Aug 28-Sept 1. (Oral Presentation)
    6. Epstein, H.E., Walker, D.A., Frost, G.V., Raynolds, M.K., and Bhatt U.S. 2016. Vegetation Biomass, NDVI, and LAI along the Eurasian Arctic Transect. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 900-901. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 900-901) (Oral Presentation)
    7. Ermokhina, K.S., Kizyakov, A., Leibman, M. and Khomutov, A. 2016. GIS of the gas-emission crater area (Yamal peninsula, Russia). In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 986-987. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 986-987 ) (Poster)
    8. Frost, G. V., Christopherson, T. C., Liljedahl, A. K., Macander, M. J., Walker, D. A. and Wells, A. F. 2016. Regional patterns and asynchronous onset of ice-wedge degradation in Arctic Alaska. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 32. doi:10.2312/GFZ.LIS.2016.002 (Abstract, p. 32)
    9. Frost, G., Epstein, H., Walker, D. and Matyshak, G. 2016. Changes to Active-Layer Temperature after Tall Shrub Expansion in Arctic Tundra. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 410-411. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 410-411) (Poster)
    10. Frost, G.V., Epstein, H.E., Walker, D.A. and Matyshak, G. 2016. Changes to active-layer temperature after tall shrub expansion in arctic tundra. Ecosystems, in prep.
    11. Grosse, G., Goetz, S., McGuire, A., Romanovsky, V. and Schuur, E. 2016. Review and synthesis: Changing permafrost in a warming world and feedbacks to the earth system. Environmental Research Letters, 11(4):040201. doi:10.1088/1748-9326/11/4/040201
    12. Heim, B., Bartsch, A., Beamish, A., Stettner, S., Buchhorn, M., Duguay, C., Hoegstroem, E., Widhalm, B., Elger, K., and Walker, D.A. 2016. User and expert-supported validation and evaluation experiments for high latitude permafrost landscapes. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 904. doi:10.2312/GFZ.LIS.2016.003 (Abstract, p. 904)
    13. Kanevskiy, M., Shur, Y., Strauss, J., Jorgenson, M.T., Fortier, D., Stephani, E. and Vasiliev, A. 2016. Patterns and rates of riverbank erosion involving ice-rich permafrost (yedoma) in northern Alaska. Geomorphology, 253:370-384. doi:10.1016/j.geomorph.2015.10.023
    14. Kanevskiy, M., Shur, Y., Walker, D.A., Buchhorn, M., Jorgensen, M.T., Matyshak, M., Raynolds, M.K., Peirce, J.L. and Wirth, L.M. 2016. Evaluation of Risk of Ice-Wedge Degradation, Prudhoe Bay Oilfield, Alaska. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 999-1001. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 999-1001) (Poster)
    15. Khomutov, A., Dvornikov, Y., Gubarkov, A. and Mullanurov, D. 2016. Activation of thermal denudation under recent climatic fluctuations, Central Yamal, Russia. Geophysical Research Abstracts. EGU General Assembly 2016.
    16. Khomutov, A., Dvornikov, Y., Leibman, M., Gubarkov, A. and Mullanurov, D. 2016. The rates of thermocirque development and driving factors of their activation on Central Yamal, Russia. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 910-911. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 910-911) (Poster)
    17. Khomutov, A., Leibman, M. Dvornikov, Y. and Khitun, O. 2016. Study of off-road vehicle trails impact on tundra landscapes by field and remote-sensing methods, Central Yamal, Russia. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 912-913. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 912-913) (Poster)
    18. Kumpula, T. and Forbes, B.C. 2016. Changing pasture land, rapid land cover changes and their impacts on Nenets reindeer herding on the Yamal Peninsula, Russia. Presented at International Arctic Science Committee ICARP III Working Group meeting on Infrastructure in the Arctic (and elsewhere) as a Social and Ecological Challenge. Vienna, Austria, January 15-16. (Oral Presentation)
    19. Leibman, M., Kizyakov, A., Khomutov, A., Dvornikov Y., Streletskaya I. and Gubarkov, A. 2016. Gas-emission crater in Central Yamal, West Siberia, Russia, a new permafrost feature. Geophysical Research Abstracts. EGU General Assembly 2016.
    20. Liljedahl A.K., Boike, J., Daanen, R.P., Fedorov, A.N., Frost, G.V., Grosse, G., Hinzman, L.D., Iijma, Y., Jorgenson, J.C., Matveyeva, N., Necsoiu, M., Raynolds, M.K., Romanovsky, V.E., Jörg Schulla, Tape, K.D., Walker, D.A., Wilson, C.J., Yabuki, H. and Zona, D. 2016. Pan-Arctic ice-wedge degradation in warming permafrost and its influence on tundra hydrology. Nature Geoscience, 9:312-318. doi:10.1038/NGEO2674
    21. Liljedahl, A.K., Boike, J., Daanen, R. P., Fedorov, A. N., Frost, G. V., Grosse, G., Hinzman, L., Iijima, Y., Jorgenson, J.C., Matveyeva, N., Necsoiu, M., Raynolds, M.K., Romanovsky, V., Schulla, J., Tape, K.D., Walker, D.A., Wilson, C.J., and Yabuki, H. 2016. Recent circum-Arctic ice-wedge degradation and its hydrological impacts. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, p. 917. doi:10.2312/GFZ.LIS.2016.004 (Abstract, p. 917)
    22. Matyshak, G., Goncharova, O., Boric, A., Sukhova, D., Petrzhik, N. and Kireev, R. 2016. Heat line in permafrost - a large experiment of transformation of the Arctic ecosystems. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 177-178. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 177-178) (Oral Presentation)
    23. Raynolds, M.K. and Walker, D.A. 2016. Increased wetness confounds Landsat-derived NDVI trends in the central Alaska North Slope region, 1985–2011. Environmental Research Letters, 11:085004. doi:10.1088/1748-9326/11/8/085004
    24. Raynolds, M.K., and Walker, D.A. 2016. A raster version of the Circumpolar Arctic Vegetation Map (CAVM. Presented at 14th International Circumpolar Remote Sensing Symposium, Homer, AK, September 12-16. (Abstract, p. 95)
    25. Shur, Y., Kanevskiy, M., Walker, D.A., Jorgensen, T., Buchhorn, M., Raynolds, M.K. and Toniolo, H. 2016. Permafrost-Related Causes and Consequences of the Sagavanirktok River Delta Flooding in Spring 2015. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 1014-1016. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 1014-1016) (Oral Presentation)
    26. Timling, I. 2016. Microcosm. Presented at Ice Alaska 2016. Fairbanks, AK, February 29-March 27. (Poster)
    27. Walker, D.A, Epstein, H.E., Kofinas, G., Kumpula, T. and Leibman, M.O. 2016. Yamal LCLUC Synthesis: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia and relevance to the circump...Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 25 pp. (PDF)
    28. Walker, D.A. 2016. NASA ABoVE All-scientists Presentation: A hierarchic framework for studying Arctic vegetation. Presented at NASA ABoVE All-scientists Meeting, Anchorage, AK, January 19-22. (Oral Presentation)
    29. Walker, D.A. 2016. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 8/31/2016. (PDF)
    30. Walker, D.A., Daniëls, F.J.A., Alsos, I., Bhatt, U.S., Breen, A.L., Buchhorn, M., Bültmann, H., Druckenmiller, L.A., Edwards, M.E., Ehrich, D., Epstein, H.E., Gould, W.A., Ims, R.A., Meltofte, H., Raynolds, M.K., Sibik, J., Talbot, S.S. and Webber, P.J. 2016. Circumpolar arctic vegetation: A hierarchic review and roadmap toward an internationally consistent approach to survey, archive and classify tundra plot data. Environmental Research Letters, 11:055005. doi:10.1088/1748-9326/11/5/055005
    31. Walker, D.A., Epstein, H.E. Leibman, M., Khomutov, A., Moskolenko, N., Orekhov, P., Matyshak, G., Frost, G.V., Khitun, O., Chasnikova, S., Sibik, J., Kaarlejarvi, E. and Kuss, J.P. 2016. Eurasia Arctic Transect: Vegetation-environment-permafrost relationships. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 933-934. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 933-934) (Poster)
    32. Walker, D.A., Epstein, H.E., Raynolds, M.K., Buchhorn, M., Kumpula, T., Forbes, B.C., Leibman, M.O., Khomutov, A., Matyshak, G.V., Curry, T., Kofinas, G., Romanovsky, V., Shur, Y. and Kanevskiy, M.Z. 2016. Yamal LCLUC Synthesis. Presented at Science Team Meeting, Bethesda, MD, April 18-19. (Oral Presentation)
    33. Walker, D.A., Epstein, H.E., Raynolds, M.K., Buchhorn, M., Kumpula, T., Forbes, B.C., Leibman, M.O., Khomutov, A., Matyshak, G.V., Curry, T., Kofinas, G., Romanovsky, V., Shur, Y. and Kanevskiy, M.Z. 2016. Yamal LCLUC Synthesis: Comparison of infrastructure development and consequences to social-ecological systems in the Bovanenkovo Gas Field, Russia and the Prudhoe Bay Oilfield, Alaska. Presented at Science Team Meeting, Bethesda, MD, April 18-19. (Poster)
    34. Walker, D.A., Kanevskiy, M., Shur, Y., Raynolds, M.K. and Buchhorn, M. 2016. Effects of infrastructure, climate change, and icewedge degradation, Prudhoe Bay oilfield, Alaska. Presented at AGU Fall Meeting, San Francisco, CA, December 12-16. (Abstract) (Oral Presentation)
    35. Walker, D.A., Kanevskiy, M., Shur, Y.L., Raynolds, M.K., Buchhorn, M. and Wirth, L.M. 2016. Road effects at airport study site, Prudhoe Bay, Alaska, Summer 2015. Alaska Geobotany Center Publication AGC 16-01. University of Alaska Fairbanks, Fairbanks, AK, 74 pp. doi:10.18739/A2VM42Z20 (PDF)
    36. Walker, D.A., Peirce, J.L., Kumpula, T., Liebman, M.O., Matyshak, G., Streletskiy, D., Raynolds, M.K., Shur, Y.S., Kanevskiy, M., Buchhorn, M., Kofinas, G., Ambrosius, K., Epstein, H.E., Romanovsky, V., Forbes, B.C., Khumotov, A., Khitun, O., Shiklomnanov, N., Grebenets, V., Lemay, M., Allard, M., Vincent, W., Lamoureux, S., Bell, T., Forbes, D., Fondahl, G., Kuznetsova, E., Roy, L-P, Petrov, A. and Schweitzer, P. 2016. Rapid Arctic Transitions due to Infrastructure and Climate (RATIC): An ICARP III initiative focusing on the cumulative effects of Arctic infrastructure and climate change. In: F. Günther and A. Morgenstern (eds.), XI. International Conference On Permafrost - Book of Abstracts, 20-24 June 2016, Potsdam, Germany. Bibliothek Wissenschaftspark Albert Einstein, pp. 1234-1236. doi:10.2312/GFZ.LIS.2016.001 (Abstract, pp. 1234-1236) (Poster)

  1. 2015

    1. Bhatt, U.S., Walker, D.A., Bieniek, P., Epstein, H., Comiso, J., Pinzon, J. and Tucker, C.J. 2015. Climate variations and Alaska tundra vegetation productivity declines in spring. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC11F-1083) (Poster)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H. E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2015. Changing seasonality of tundra vegetation in relationship to climatic variables. IARC Summer School 2015. Fairbanks, AK, May 2015. (Oral Presentation)
    3. Bieniek, P.A, Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Pinzon, J.E., Tucker, C.J., Thoman, R.L. & (...) Ermold, W. 2015. Climate drivers linked to changing seasonality of Alaska coastal tundra vegetation productivity. Earth Interactions, 19:1-29. doi:1175/EI-D-15-0013.1
    4. Buchhorn, M., Curry, T., Kanevskiy, M., Raynolds, M.K., Shur, Y. and Walker, D.A. 2015. Landscape,  permafrost, and social change in the Prudhoe Bay region, Alaska: Snapshots from the NSF-ArcSEES project. Institute of Arctic Biology (IAB) Life Sciences Seminar Series. University of Alaska Fairbanks, Fairbanks, AK,, January 23. (Oral Presentation)
    5. Buchhorn, M., Raynolds, M.K., Walker, D.A., Kanevskiy, M., Matyshak, G., Shur, Y., Wirth, L.M. and Peirce, J. 2015. Effects of 45 Years of Heavy Road Traffic and Infrastructure on Permafrost and Tundra at Prudhoe Bay, Alaska. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23J-1215) (Poster)
    6. De Cáceres, M., Chytrý, M., Agrillo, E., Attorre, F., Botta-Dukát, Z., Capelo, J., Czúcz, B., Dengler, J., Ewald, J., Faber-Langendoen, D., Feoli, E., Franklin, S.B., Gavilán, R., Gillet, F., Jansen, F., Jiménez-Alfaro, B., Krestov, P., Landucci, F., Lengyel, A., Loidi, J., Mucina, L., Peet, R.K., Roberts, D.W., Role?ek, J., Schaminée, J.H.J., Schmidtlein, S., Theurillat, J.-P., Tichý, L., Walker, D.A., Wildi, O., Willner, W., Wiser, S.K. 2015. A comparative framework for broad-scale plot-based vegetation classification. Applied Vegetation Science, 18:543-560. doi:10.1111/avsc.12179
    7. Dvornikov, Yu. A., Khomutov, A. V., Mullanurov, D. R., Ermokhina, K. A., Gubarkov, A. A., Leibman, M. O. 2015. GIS- and field data based modeling of snow water equivalent in shrub tundra. Fennia, 193:2.
    8. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A. and Reichle, L.M. 2015. Circumpolar dynamics of Arctic tundra vegetation in relation to temperature trends. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC13K-04) (Oral Presentation)
    9. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A., Bieniek, P.A., Tucker, C.J., Pinzon, J., Myers-Smith, I.H., Forbes, B.C., Macias-Fauria, M., Boelman, N.T. and Sweet, S.K. 2015. Tundra Greenness. In: Arctic Report Card 2015. (Website)
    10. Epstein, H.E., Frost, G.V., Walker, D.A. and R. Kwok, R. 2015. [The Arctic] Declassified high-resolution visible imagery for observing the Arctic [in "State of the Climate in 2014"]. Bulletin of the American Meteorological Society, 96:S142-S143. doi:10.1175/2013BAMSStateoftheClimate.1
    11. Forbes, B.C., Kumpula, T., Meschtyb, N., Laptander, R., Macias-Fauria, M., Zetterberg, P. and Verdonen, M. 2015. Sea Ice, Hydrocarbon Extraction, Rain-on-Snow and Tundra Reindeer Nomadism in Arctic Russia. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23D-1176) (Poster)
    12. Frost, G.V., Christpherson, T., Liljedahl, A., Macander, M.J., Walker, D.A. and Wells, A.F. 2015. Regional Patterns of Ice-Wedge Degradation Across Northern Alaska: What Does Asynchronous Timing of Onset Tell Us Regarding Triggering Mechanisms, Thresholds, and Impacts?. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract C21C-0750) (Poster)
    13. Jorgenson, T., Kanevskiy, M.Z., Shur, Y., Moskalenko, N.G., Brown, D.R.N., Wickland, K., Striegl, R. and Koch, J. 2015. Ground ice dynamics and ecological feedbacks control ice-wedge degradation and stabilization. Journal of Geophysical Research: Earth Surface, 120(11):2280-2297. doi:1002/2015JF003602
    14. Khitun, O., Ermokhina, K., Czernyadjeva, I., Leibman, M.O. and Khomutov, A. 2015. Floristic complexes on landslides of different age in Central Yamal, West Siberian Low Arctic, Russia. Fennia, 193:31–52.
    15. Kizyakov, A.I., Sonyushkin, A., Leibman, M.O., Zimin, M.V. and Khomutov, A.V. 2015. Geomorphological conditions of the gas-emission crater and its dynamics in Central Yamal. The Earth Cryosphere (Kriosfera Zemli), in press (In Russian).
    16. Kokaly, R.F., Graham, G.E., Hoefen, T.M., Kelly, K.D., Buchhorn, M., Johnson, M.R., Hubbard, B.E., Goldfarb, R.J. and Prakash, A. 2015. Characterizing Geology and Mineralization at High Latitudes in Alaska Using Airborne and Field-Based Imaging Spectrometer Data (CANCELLED). Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23K-1231)
    17. Koven, C. D., Schuur, E. A. G., Schädel, C., Bohn, T., Burke, E.J., Chen, G., Chen, X., Ciais, P., Grosse, G., Harden, J. W., Hayes, D. J., Hugelius, G., Jafarov, E. E., Krinner, G., Kuhry, P., Lawrence, D. M., MacDougall, A. H., Marchenko, S. S., McGuire, A. D., Natali, S. M., Nicolsky, D. J., Olefeldt, D., Peng, S., Romanovsky, V. E., Schaefer, K. M., Strauss, J., Treat, C. and Turetsky, M. 2015. A simplified, data-constrained approach to estimate the permafrost carbon-climate feedback. Philosophical Transactions of the Royal Society A, 373:20140423. doi:10.1098/rsta.2014.0423
    18. Liljedahl, A., Daanen, R., Fedorov, A., Grosse, G., Hinzman, L., Iijima, Y., Jorgenson, J., Matveyeva, N., Necsoiu, M., Raynolds, M.K., Romanovsky, V., Schulla, J., Tape, K., Walker, D.A., Wilson, C. and Yabuki, H. 2015. Ice wedge degradation: Why Arctic lowlands are becoming wetter and drier. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract C21C-0749) (Poster)
    19. Matyshak, G.V., Goncharova, O.Y., Walker, D.A., Epstein, H.E., Moskalenko, N.G., and Shur, Y. 2015. Contrasting soil thermal regimes in the forest-tundra transition near Nadym, West Siberia, Russia. Permafrost and Periglacial Processes, 10.1002/ppp.1882.
    20. Muskett, R., Romanovsky, V., Cable, W. and Kholodov, A. 2015. Active-layer soil moisture content regional variations in Alaska and Russia by ground-based and satellite-based methods, 2002 through 2014. International Journal of Geosciences, 6(1):12-41. doi:10.4236/ijg.2015.61002
    21. Myers-Smith, I.H., Elmendorf, S., Beck, P., Wilmking, M., Hallinger, M., Blok, D., Tape, K.D., Rayback, S.A., Macias-Fauria, M., Forbes, B.C., Speed, J.D.M., Boulanger-Lapointe, N., Rixen, C., Levesque, E., Schmidt, N.M., Baittinger, C., Trant, A., Dawes, M., Lantz, T., Weijers, S., Jørgensen, R.H., Buchwal, A., Buras, A., Naito, A., Ravolainen, V., Schaepman-Strub, G., Wheeler, J., Wipf, S., Hik, D., Guay, K and Vellend, M. 2015. Climate sensitivity of shrub growth across the tundra biome. Nature Climate Change, 5:887–891. doi:10.1038/NCLIMATE2697
    22. Noetzli, J., Christiansen, H. H., Romanovsky, V.E., Shiklomanov, N.I., Smith, S.L., Vieira, G. and Zhao, L. 2015. [Global Climate] Cryosphere, permafrost thermal state [in “State of the Climate in 2014”]. Bulletin of the American Meteorological Society, 96(7):S17-S18. doi:10.1175/2015BAMSStateoftheClimate.1
    23. Prakash, A., Buchhorn, M., Cristóbal, J., Kokaly, R., Graham, P., Waigl, C., Hampton, D., Werdon, M., Guldager, N. and Bertram, M. 2015. Field-Based and Airborne Hyperspectral Imaging for Applied Research in the State of Alaska. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC23K-1233) (Poster)
    24. Raynolds, M.K., Magnússon, B., Metúsalemsson, S. and Magnússon, S.H. 2015. Warming, Sheep and Volcanoes: Land Cover Changes in Iceland Evident in Satellite NDVI Trends. Remote Sensing, 2015, 7(8), 9492-9506. doi:10.3390/rs70809492
    25. Romanovsky, V. E., Smith, S.L., Christiansen, H.H., Shiklomanov, N.I., Streletskiy, D.A., Drozdov, D.S., Malkova, G.V., Oberman, N.G., Kholodov, A. L. and Marchenko, S.S. 2015. [The Arctic] Terrestrial Permafrost [in "State of the Climate in 2014"]. Bulletin of the American Meteorological Society, 96(7):S139-S141. doi:10.1175/2015BAMSStateoftheClimate.1
    26. Romanovsky, V., Cable, W., Kholodov, A., Nicolsky, D., Marchenko, S., Panda, S. and Muskett, R. 2015. Detecting and Forecasting Permafrost Degradation in a Warming Climate. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract B31D-0576) (Poster)
    27. Romanovsky, V., Nicolsky, D., Marchenko, S., Cable, W. and Panda, S. 2015. Merging Field Measurements and High Resolution Modeling to Predict Possible Societal Impacts of Permafrost Degradation. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract B42C-04) (Oral Presentation)
    28. Rousseau, D-D. (convenor) 2015. AGU-EGU Great Debate on "Sustainable Development of the Arctic". Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract U21A) (Oral Presentation)
    29. Skarin, A., Kumpula,T., Macias-Fauria, M. and Forbes, B.C. 2015. Reindeer use of Yamal tundra measured with pellet group counts: Understanding reindeer effects on willow growth and recruitment in a landslide area. 14th Arctic Ungulate Conference, Røros, August 16-21.
    30. Walker, D.A. 2015. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 8/4/2015. (PDF)
    31. Walker, D.A. and J.L. Peirce (eds.) 2015. Rapid Arctic Transitions due to Infrastructure and Climate (RATIC): A contribution to ICARP III. Alaska Geobotany Center Publication AGC 15-02. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    32. Walker, D.A., Bhatt, U.S., Breen, A.L., Buchhorn, M., Druckenmiller, L.A., Kade, A., Murray, D.F., Peirce, J.L., Raynolds, M.K., Wirth, L.M., Daniëls, F.J.A., Bültmann, H., Alsos, I., Ehrich, D., Ims, R.A., Edwards, M.E., Epstein, H.E., Gould, W.A., Meltofte, H., Talbot, S.S., Šibík, J., Hennekens, S., Walker, M.D., Cooper, D.J., Ebersole, J.J., Elmendorf, S.C., Hollister, B.D., Webber, P.J., Iversen, C., Sloan, V., Jorgenson, M.T., Lee, M.T., Peet, R.K., MacKenzie, M.H., Schickhoff, U., Tweedie, C.E. and Villarreal, Sl 2015. A hierarchic approach to examining panArctic vegetation with a focus on the linkages between remote sensing and plot-based studies. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract B53C-0577) (Poster)
    33. Walker, D.A., Buchhorn, M., Kanevskiy, M., Matyshak, G.V., Raynolds, M.K., Shur, Y.L. and Wirth, L.M. 2015. Infrastructure-Thermokarst-Soil-Vegetation Interactions at Lake Colleen Site A, Prudhoe Bay, Alaska. Alaska Geobotany Center Publication AGC 15-01. University of Alaska Fairbanks, Fairbanks, AK, 92 pp. doi:10.18739/A2M61BQ8M (PDF)
    34. Walker, D.A., Epstein, H.E., Forbes, B.C., Kofinas, G., Kumpula, T., Leibman, M.O., Romanovsky, V.E., Shur, Y., Ambrosius, K., Bhatt, U.S., Currie, T., Buchhorn, M., Kanevskiy, M.Z., Khomutov, A., Matyshak, G., Raynolds, M.K. 2015. Oral presentation at the 3rd International Conference on Arctic Research Planning (ICARP III). Presented at Yohama, Japan, April 23-30.
    35. Walker, D.A., Epstein, H.E., Kumpula, T. and Liebman, M.O. 2015. Yamal LCLUC Synthesis: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia and relevance to the circumpolar Arctic. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 45 pp. (PDF)
    36. Walker, D.A., Peirce, J.L., Kumpula, T., Liebman, M.O., Matyshak, G., Streletskiy, D., Raynolds, M.K., Shur, Y.S., Kanevskiy, M., Buchhorn, M., Kofinas, G., Ambrosius, K., Epstein, H.E., Romanovsky, V., Forbes, B.C., Khumotov, A., Khitun, O., Shiklomnanov, N., Grebenets, V., Lemay, M., Allard, M., Vincent, W., Lamoureux, S., Bell, T., Forbes, D., Fondahl, G., Kuznetsova, E., Roy, L-P, Petrov, A. and Schweitzer, P. 2015. Rapid Arctic Changes due to Infrastructure and Climate (RATIC) in the Russian North. Presented at AGU Fall Meeting, San Francisco, CA, December 14-18. (Abstract GC31B-1183) (Poster)
    37. Yu, Q., Epstein, H. E., Engstrom, R., Shiklomanov, N. and Strelestskiy, D. 2015. Land cover and land use changes in the oil and gas regions of Northwestern Siberia under changing climatic conditions. Environmental Research Letters, 10(12):124020. doi:10.1088/1748-9326/10/12/124020
    38. Yu, Q., Shiklomanov N.I., Streletskiy, D.A., Engstrom R. and Epstein H.E. 2015. Detecting anthropogenic and climate change induced land cover and land use change in the vicinity of an oil/gas facility in northwestern Siberia, Russia. Presented at AGU Fall Meeting. San Francisco, CA, December 14 - 18. (Abstract GC33F-04) (Oral Presentation)

  1. 2014

    1. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2014. Inter- and intra-annual variability of NDVI and correlations to large-scale circulation patterns, sea ice, snow and cloud cover. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Oral Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Steele, M.A., Ermold, W. and Zhang, J. 2014. Changing Seasonality of Tundra Vegetation and Associated Climatic Variables. Presented at AGU Fall Meeting. San Francisco, December 15 - 19. (Abstract) (Poster)
    3. Bhatt, U.S., Walker, D.A., Walsh, J.E., Carmack, E.C., Frey, K.E., Meier, W.N., Moore, S.E., Parmentier, F.W., Post, E., Romanovsky, V.E. and Simpson, W.R. 2014. Implications of Arctic Sea Ice Decline for the Earth System. Annual Review of Environment and Resources, 39:57-89. doi:10.1146/annurev-environ-122012-094357 (Supplemental Materials) (PDF)
    4. Bobrik, A., Goncharova O., Matyshak G., et al. 2014. Spatial and temporal variability of CO2 efflux of frozen peatland soils at fine scale: the relationship with permafrost conditions and the composition of soil organic matter (Russia, calm site r1). Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 334) (Poster)
    5. Breen, A.L., Murray, D.F., Raynolds, M.K., Timling, I. and Walker, D.A. 2014. Ecology and evolution of plants in arctic and alpine environments. In: N. Rajakaruna, R. Boyd and T. B. Harris (eds.), Plant Ecology and Evolution in Harsh Environments, pp. 149-177. Hauppauge, New York: Nova Science Publishers. (Website)
    6. Buchhorn, M. 2014. Ground-based hyperspectral and spectro-directional reflectance characterization of Arctic tundra vegetation communities: field spectroscopy and field spectro-goniometry of Siberian and Alaskan tundra in preparation of the EnMAP satellite mission. Doctoral Thesis. Potsdam Universität, Potsdam, Germany. (Available online) (PDF)
    7. Buchhorn, M., Kanevskiy, M., Matyshak, G., et al. 2014. Effects of 45 years of heavy road traffic on permafrost and tundra along the Spine Road at Prudhoe Bay, Alaska. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 339) (Poster)
    8. Dvornikov, Y., Bartsch A., Khomutov, A. et al. 2014. Process of Organic transport in Lakes of the Yamal Region (POLYAR). Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 330) (Poster)
    9. Epstein H.E. 2014. Biomass, NDVI, and LAI Data and Relationships Across Spatial Scales in Arctic Tundra. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Oral Presentation)
    10. Epstein, H.E., Bhatt, U.S., Raynolds, M.K, Walker, D.A. and Reichle, L.M. 2014. Recent temporal dynamics of arctic tundra vegetation within the context of spatial biomass-temperature relationships. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Oral Presentation)
    11. Epstein, H.E., Bhatt, U.S., Raynolds, M.K., Walker, D.A., Bieniek, P.A., Tucker C.J., Pinzon, J., Zeng, H., Jia, G.J., Guay, K.C. and Goetz, S.J. 2014. Tundra Greenness. In: Arctic Report Card 2014. (Website)
    12. Epstein, H.E., Frost, G.V., Matyshak, G.V., Walker, D.A. and Meakem, V.M. 2014. The influences of land surface properties on soil thermal regimes in the Low Arctic of northwestern Siberia. Presented at AGU Fall Meeting. San Francisco, December 15 - 19. (Abstract) (Oral Presentation)
    13. Ermokhina, K. 2014. Overview of the West Siberian component of the Arctic Vegetation Archive. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract 332) (Poster)
    14. Frost, G. V., Epstein, H. E. and Walker, D. A. 2014. Regional and landscape-scale variability of Landsat-observed vegetation dynamics in northwest Siberian tundra. Environmental Research Letters, 9(2) 025004. doi:1088/1748-9326/9/2/025004
    15. Frost, G.V., Macander, M.J., Liljedahl, A., et al. 2014. Regional patterns of ice-wedge degradation since the mid-20th century across northern Alaska. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 331) (Poster)
    16. Kanevskiy, M., Shur, Y., Matyshak, G., et al. 2014. Degradation and recovery of ice wedges in relation to road infrastructure in the Prudhoe Bay Oilfield, AK. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 337) (Poster)
    17. Khitun, O., Koroleva, T., Chinenko, S., Petrovsky, V., Zverev, A., Pospelova, E. and Pospelova, I. 2014. Biodiversity research based on local flora approach in Russian Arctic. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Oral Presentation)
    18. Khomutov, A., Leibman, M., Gubarkov, A., Dvornikov, Y., Khitun, O. and Mullanrov, D. 2014. Landslide and permafrost regimes near the Bovanenkovo gas field, Central Yamal, Russia. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Oral Presentation)
    19. Leibman, M.O., Khitun, O.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P.T., Ponomareva, O.E., Mullanurov, D.R., Gubarkov, A.A., Ermokhina, K.A. 2014. Synthesis of permafrost research along the Eurasia arctic transect. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 332) (Poster)
    20. Leibman, M.O., Kizyakov, A.I., Plehanov, A.V., Streletskaya, I.D. and Melnikov, V.P. 2014. Deep crater in Central Yamal, West Siberia, Russia as a new permafrost feature in response to local climate fluctuations. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Abstract) (Oral Presentation)
    21. Raynolds, M. K., Walker, D. A., Ambrosius, K. J., Brown, J., Everett, K. R., Kanevskiy, M., et al. 2014. Cumulative geoecological effects of 62 years of infrastructure and climate change in ice-rich permafrost landscapes, Prudhoe Bay Oilfield, Alaska. Global Change Biology, 20(4):1211-1224. doi:10.1111/gcb.12500
    22. Raynolds, M.K., Walker, D.A., Buchhorn, M., Wirth, L.M. 2014. Vegetation changes related to 45 years of heavy road traffic along the Spine Road at Prudhoe Bay, Alaska. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 333) (Poster)
    23. Raynolds, M.K., Walker, D.A., Epstein, H.E. and Buchhorn, M. 2014. Biomass and NDVI circumpolar relationship. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Oral Presentation)
    24. Romanovsky, V.E., Cable, W.G., Kholodov, S.S., at al. 2014. Changes in permafrost and active-layer thickness due to climate in the Prudhoe Bay region and North Slope, AK. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 336) (Poster)
    25. Timling, I., Walker, D. A., Nusbaum, C., Lennon, N. J. and Taylor, D. L. 2014. Rich and cold: Diversity, distribution and drivers of fungal communities in patterned-ground ecosystems of the North American Arctic. Molecular Ecology, 23: 3258–3272. doi:1111/mec.12743
    26. Verpaelst, M., Fortier, D., Paquette, M. 2014. Mass Movement by Solifluction and Syngenetic Dynamic of Permafrost in the High Arctic, Ward Hunt Island, Canadian High Arctic. Presented at Arctic Change 2014. Ottawa, ON December 8-12. (Abstract 329) (Poster)
    27. Walker, D.A, Bhatt, U.S., Muchhorn, M., Comiso, J., Epstein, H.E., Ermokhina, K., Forbes, B., Frost, G., Heim, B., Kofinas, G., Khumotov, A., Kumpula, T., Leiman, M., Matyshak, G., Pinzon, J., Raynolds, M.K., Romanovsky, V., Tucker, C., Wirth, L. and Yu, Q. 2014. SYN-YAMAL: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia, and relevance to the circumpolar Arctic. Presented at Arctic Change 2014. Ottawa, ON, December 8-12. (Oral Presentation)
    28. Walker, D.A. 2014. Arctic Vegetation Sampling: Vegetation sampling, Biomass, NDVI, LAI, Zonal concept, Arctic Vegetation Archive. Presented at ArcticBiomass Workshop. Fairbanks, AK, September 2-3. (Oral Presentation)
    29. Walker, D.A. 2014. Toward a pan-Arctic vegetation archive and classification: Two recent workshops. IAVS Bulletin, 2014/1, pp. 12-16, International Association for Vegetation Science. (Newsletter) (PDF)
    30. Walker, D.A. 2014. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Annual report to the National Science Foundation, submitted 9/16/2014. (PDF)
    31. Walker, D.A. (ed.) 2014. CAFF Proceedings Report 11. Alaska Arctic Vegetation Archive (AVA) Workshop, Boulder, Colorado, USA, October 14-16, 2013, Akureyri, Iceland. (CAFF site) (Proceedings)
    32. Walker, D.A., Hamilton, T.D., Munger, C. and Maier, H.A. 2014. Glacial history and long-term ecology in the Toolik Lake region. In: J. Hobbie and G. Kling (eds.), A changing Arctic: Ecological consequence for tundra, streams and lakes, pp. 61-80. Oxford: Oxford University Press.
    33. Walker, D.A., Raynolds, M.K., Buchhorn, M., Peirce, J.L. (eds.) 2014. Landscape and Permafrost Changes in the Prudhoe Bay Oilfield, Alaska. Alaska Geobotany Center Publication AGC 14-01. University of Alaska Fairbanks, Fairbanks, AK. doi:10.18739/A24X54H5D (PDF)
    34. Walker, D.A., Raynolds, M.K., Kumpula, T., Shur, Y., Kanevskiy, M.Z., Leibman, M.O., Khomutov, A., Ambrosius, K., Buchhorn, M., Epstein, H.E., Forbes, B.C., Kofinas, G., Maytshak, G.V., Romanovsky, V. and Wirth, L. 2014. Rapid Arctic Transitions in Relation to Infrastructure and Climate Change: Comparison of the Permafrost and Geoecological Conditions in the Bovanenkovo Gas Field, Russia and the Prudhoe Bay Oil Field, Alaska. Presented at AGU Fall Meeting. San Francisco, December 15 - 19. (Abstract) (Poster)

  1. 2013

    1. Bhatt, U., Walker, D., Raynolds, M., Bieniek, P., Epstein, H., Comiso, J., et al. 2013. Recent Declines in Warming and Vegetation Greening Trends over Pan-Arctic Tundra. Remote Sensing, 5(9):4229-4254. doi:10.3390/rs5094229
    2. Bhatt, U.S., Walker, D.A. Bieniek, P.A. Raynolds, M.K. Epstein, H.E. Comiso, J.C. Pinzon, J. Tucker, C.J. 2013. Links between Pan-Arctic Tundra Vegetation Change and Climate. Presented at Seminar at Geophysical Institute, University of Bergen. Bergen, Norway February 20. (Oral Presentation)
    3. Bhatt, U.S., Walker, D.A., Bieniek, P.A., Raynolds, M.K., Epstein, H.E., Comiso, J.C., Pinzon, J., Tucker, C.J. 2013. Pan-Arctic Tundra Vegetation Change and it's Links to Climate. Presented at Dpto. Biologia Vegetal II, Univ. Complutense. Madrid, Spain February 6. (Oral Presentation)
    4. Breen, A., Raynolds, M.K., Hennekens, S.M., Walker, D.A. 2013. Toward an Arctic Alaska Prototype for the Arctic Vegetation Archive. Presented at Arctic Vegetation Archive. Krakow, Poland . (Oral Presentation)
    5. Bültmann, H., Daniëls, F.J.A. 2013. Greenland Data stored in Münster. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    6. Cherosov, M.M., Matveyeva, N.V., Troeva, E.I., Gogoleva, P.A., Telyatnikov, M.Y., Pestryakova, L.A. 2013. How to use the initiatives of the Russian Government in the field of science for vegetation biodiversity study in the Russian Arctic (propositions of Russian partners). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    7. Daniëls, F.J.A. 2013. Some reflections on the realization of an international pan-Arctic vegetation classification. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    8. Epstein, H.E., Myers-Smith, I., & Walker, D.A. 2013. Recent dynamics of arctic and sub-arctic vegetation. Environmental Research Letters, 8(1), 015040. doi:10.1088/1748-9326/8/1/015040
    9. Ermokhina, K. 2013. Yamal and Gydan vegetation datasets. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    10. Fosaa, A.M., Daniëls, F.J.A., Heiðmarsson, S., Jónsdóttir, I.S., Talbot, S.S. 2013. Boreal Tundra Vegetation of the North Atlantic and North Pacific Regions. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    11. Fosaa, A.M., Nilsen, L., Jónsdóttir, I.S. 2013. Scandinavian possibilities. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    12. Frost, G. V., Epstein, H. E., Walker, D. A., Matyshak, G., & Ermokhina, K. 2013. Patterned-ground facilitates shrub expansion in Low Arctic tundra. Environmental Research Letters, 8(1), 015035. doi:10.1088/1748-9326/8/1/015035
    13. Ickert-Bond, S. 2013. CAFF Flora Group Meeting Summary. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    14. Ims, R.A., Ehrich, D., Forbes, B.C., Huntley, B., Walker, D.A., Wookey, P.A., Berteaux, D., Bhatt, U.S., Bråthen, K.A., Edwards, M.E., Epstein, H.E., Forchhammer, M.C., Fuglei, G. Gauthier, G. Gilbert, S., Leung, M., Menyushina, I.E., Ovsyanikov, N., Post, E., Raynolds, M.K., Reid, D.G., Schmidt, N.M., Stien, A., Sumina, O.I. and R. van der Wal 2013. Terrestrial ecosystems. In: H. Meltofte, A. B. Josefson, and D. Payer (eds.), Arctic Biodiversity Assessment: Status and trends in Arctic biodiversity (pp. 385-440), pp. 385-440. Akureyri, Iceland: Conservation of Arctic Flora and Fauna (CAFF).
    15. Jiménez-Alfaro, B., Apostolova, I., ?arni, A., Chrytrý, M., Csiky, J., Dengler, J., Dimopoulos, P., Font, X., Golub, V., Hennekens, S.M., Jandt, U., Jansen, F., K?cki, Z., Kevey, B., Krstonosi?, D., Landucci, F., Lysenko, T., Martynenko, V., Mucina, L., Rodwell, J.S., Schaminée, J., Šibík, J., Šilc, U., Sorokin, A., Stan?i?, Z., Willner, W., Yamalov, S. 2013. Towards a European vegetation database and a parameterized overview of European vegetation. Presented at Arctic Vegetation Archive. Krakow, Poland . (Oral Presentation)
    16. Khitun, O.V., Koroleva, T.M., Chinenko, S.V., Petrovsky, V.V., Zverev, A.A., Pospelova, E., Pospelov, I. 2013. Application of Russian Arctic local flora database concept to the issues of biodiversity conservation. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    17. Koroleva, N. 2013. The tundra zone of Kola Peninsula on the syntaxonomical 'conjunction' in the European Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    18. Kulyugina, E.E. 2013. Vegetation of the Vasyaha River Basin (Yugorsky Peninsula, Ridge Pay-Khoy) - Case study of vegetation diversity in the European sector of the Russian Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    19. Lashchinskiy, N. 2013. Spatial vegetation structure of southern tundra from three sectors of Siberian Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    20. Lee, M.T. 2013. VegBank: A permanent, open-access archive for vegetation plot data. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    21. Lárussen, K., Barry, T., Gill, M. 2013. Thoughts from CAFF regarding the AVA in relationship to the future of Arctic biodiversity monitoring. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    22. Lévesque, E., Boulanger-Lapointe, N., Henry, G.H.R., Mackenzie, W. 2013. Vegetation data available for classification of Canadian Arctic sites. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    23. MacKenzie, W. 2013. A data compilation of Canadian Arctic vegetation releve data and preliminary classification. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    24. Matveyeva, N.V., Cherosov, M.M., Telyatnikov, M.Y. 2013. The Russian Input to the Arctic Vegetation Archive. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    25. McLennan, D. 2013. CHARS and CNVC Support and Operationalization. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    26. Novakovskiy, A. 2013. Approaches to storing and analyzing geobotanical data. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    27. Parmentier, F., Christensen, T.R., Sørensen, L.L., Rysgaard, S., McGuire, D., Miller, P.A. and Walker, D.A. 2013. The impact of lower sea-ice extent on Arctic greenhouse-gas exchange. Nature Climate Change, 3(3):195-202. doi:10.1038/nclimate1784
    28. Pellisier, L., Stewart, L. 2013. The AVA as a source for understanding spatial distribution of Arctic biodiversity. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    29. Raynolds, M.K., Breen, A.L., Hennekens, S.M., Walker, D.A., Elven, R., Belland, R., Konstantinova, N.A., Kristinsson, H. 2013. The Pan-Arctic Species List (PASL). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    30. Raynolds, M.K., Walker, D.A., Verbyla, D. and Munger, C.A. 2013. Patterns of Change within a Tundra Landscape: 22-year Landsat NDVI Trends in an Area of the Northern Foothills of the Brooks Range, Alaska. Institute of Arctic and Alpine Research (INSTAAR). University of Colorado. doi:10.1657/1938-4246-45.2.249 (PDF)
    31. Razzhivin, V.Y. 2013. Vegetation Datasets for Chukotka. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    32. Schaepman-Strub, G., Iturrate, M., Furrer, R. 2013. Towards assessing biodiversity feedbacks to climate in the Arctic … and potential future applications of the AVA. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    33. Telyatnikov, M.Y., Troeva, E.I., Cherosov, M.M., Pristyazhnyuk, S.A., Gogoleva, P.A., Pestryakova, L.A. 2013. Plant communities of southern hypoarctic tundra of the Anabar River basin (North-West Yakutia). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    34. Thannheiser, D. 2013. Phytosociology of Spitsbergen. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    35. Thannheiser, D. 2013. Phytosociology of Western Canadian Arctic. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    36. Walker, D. A. 2013. Soil temperature data for Saddle snowfence, 1992 - 1995. Environmental Data Initiative. doi:10.6073/pasta/004fa2a25ba3b37547564e29eaf93b93
    37. Walker, D. A. 2013. Snow depth data for saddle snowfence, 1992 - ongoing. Environmental Data Initiative. doi:10.6073/pasta/3e371451888a78199665809c55808817
    38. Walker, D.A. 2013. International Arctic Vegetation Database. Presented at IASC Terrestrial Working Group Meeting. Krakow, Poland 13 April. (Oral Presentation)
    39. Walker, D.A. 2013. Concluding Day. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    40. Walker, D.A. 2013. The Arctic Vegetation Archive Workshop, 14-16 April 2013, Kraków, Poland: Welcome and Agenda. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    41. Walker, D.A. 2013. Fred Daniëls key role through 21 years of History of the AVA. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    42. Walker, D.A. 2013. The Arctic Vegetation Archive (AVA). Presented at Arctic Science Summit Week. Krakow, Poland 13-19 April. (Oral Presentation)
    43. Walker, D.A. 2013. Recovery and archiving of key Arctic Alaska vegetation map and plot data for long-term vegetation analyses: A proposal to NASA for data recovery for the Arctic-Boreal Vulnerability Experiment (Pre-ABoVE). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    44. Walker, D.A. 2013. Arctic Vegetation Archive: History and goals for the workshop. Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)
    45. Walker, D.A. 2013. Yamal LCLUC Synthesis: A synthesis of remote-sensing studies, ground observations and modeling to understand the social-ecological consequences of climate change and resource development on the Yamal Peninsula, Russia and relevance to the circumpolar Arct. Proposal to the National Aeronautics and Space Administration. (PDF)
    46. Walker, D.A., Bay, C., Breen, A.L., Bültmann, H., Christiansen, T., Damgaard, C., Daniëls, F.J.A., Hennekens, S.M., Luoto, M., Pellisier, L., Peet, R.K., Schmidt, N.-M., Yoccoz, N.G., Wisz, M.S. 2013. Rescuing valuable Arctic vegetation data for biodiversity and ecosystem models: CBIO-NET—IAVD workshop, Roskilde, Denmark, 29-31 May 2012. Arctic, 68(1):133-138. (PDF)
    47. Walker, D.A., Bhatt, U.S., Buchhorn, M., Epstein, H.E., Forbes, B.C., Heim, B., Liebman, M.O., Raynolds, M.K., Frost, G.V. and Yu, Q. 2013. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 34 pp. (PDF)
    48. Walker, D.A., Breen, A.L., Raynolds, M.K. and Walker, M.D. (eds.). 2013. CAFF Proceedings Report #10. Arctic Vegetation Archive (AVA) Workshop, Krakow, Poland, April 14-16, 2013, Akureyri, Iceland. (CAFF site) (Proceedings)
    49. Walker, M.D. 2013. 21 years to common ground: An extremely short talk about a long time (in human years) and a short time (in earth years). Presented at Arctic Vegetation Archive. Krakow, Poland 14-16 April. (Oral Presentation)

  1. 2012

    1. Anscombe, N. 2012. Arctic ground measurements confirm satellite data. Environmental Research Web. (Environmental Research Web)
    2. Bay, C. 2012. Overview of vegetation datasets from Greenland. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    3. Bhatt, U.S. 2012. Collaborative Research: Seasonality of circumpolar tundra - ocean and atmosphere controls and effects on energy and carbon budgets. AGC Final Report. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    4. Bhatt, U.S., Walker, D.A., Bieniek, P.A., Raynolds, M.K., Epstein, H.E., Comiso, J.C., Pinzon, J., Tucker, C.J. 2012. Drivers of Recent Pan-Arctic Tundra Vegetation Variability and Change. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Oral Presentation)
    5. Bieniek, P.A. 2012. Assessing River Ice Breakup Date, Coastal Tundra Vegetation and Climate Divisions in the Context of Alaska Climate Variability. Ph.D. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 140 pp.
    6. Bieniek, P.A., Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Pinzon, J.C., Comton, J.T., Thoman, R.L., Tran, H., Molders, N., Ermold, W., Zhang, J., Steele, M. 2012. Alaska Coastal Tundra Vegetation's Links to Climate. Presented at AGU Fall Meeting, San Francisco, CA December 3-7. (Oral Presentation)
    7. Borchsenius, F. 2012. GBIF and IAVD. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    8. Breen, A., Raynolds, M.K., Walker, D.A., Hennekens, S.M. 2012. Toward a Panarctic Species List. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    9. Christensen, T., Schmidt, N.M. 2012. Terrestrial Expert Monitoring Group: Developing a Plan for the Circumpolar Arctic. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    10. Chytrý, M. 2012. Vegetation of the Czech Republic: diversity, ecology, history and dynamics. Preslia, 84:427-504. (PDF)
    11. Damgaard, C. 2012. Combining pin-point and Braun-Blanquet plant cover data. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    12. Daniëls, F.J.A., de Molenaar, J.G., Bültmann, H., Lünterbusch, C., Sieg, B. 2012. Vegetation of Greenland. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    13. Epstein, H.E., Raynolds, M.K., Walker, D.A., Bhatt, U.S., Tucker, C.J., Pinzon, J.E. 2012. Dynamics of aboveground phytomass of the circumpolar arctic tundra during the past three decades. Environmental Research Letters, 7(1):12. doi:10.1088/1748-9326/7/1/015506 (PDF)
    14. Epstein, H.E., Raynolds, M.K., Walker, D.A., Bhatt, U.S., Tucker, C.J., Pinzon, J.E., Frost, G.V., Yu, Q., Jia, G.J., Zeng, H. 2012. Recent dynamics of arctic tundra vegetation: Remote sensing, field observations, and modeling. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Oral Presentation)
    15. Epstein, H.E., Yu, Q., Frost, G.V., Raynolds, M.K., Walker, D.A., Bhatt, U.S., Tucker, C.J., Pinzon, J.E. 2012. Climate and grazing influences on circumpolar dynamics of arctic tundra vegetation. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Oral Presentation)
    16. Ermokhina, K. 2012. Phytoindication of Landslide Disturbances in the Central Yamal. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    17. Forbes, B.C. 2012. Summary of the Finnish contribution to the LCLUC project. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    18. Frost, G.V. Epstein, H.E. Walker, D.A. Matyshak, G.V. Ermokhina, K.A. 2012. The 2011 Expedition to Kharp, Southern Yamal Peninsula Region, Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 83 pp. (PDF)
    19. Frost, G.V., Epstein, H.E., Matyshak, G., Ermokhina, K., Walker, D.A. 2012. Summary of Kharp field expedition, July 2011. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    20. Frost, G.V., Epstein, H.E., Walker, D.A. 2012. Widespread expansion of boreal shrublands in the Siberian Low Arctic since the 1960s. Presented at AGU Fall Meeting. San Francisco, CA December 3-7. (CC31A-0965, Wednesday Dec. 5, session GC31A) (Poster)
    21. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G. and Ermokhina, K. 2012. Linkages between Patterned Ground, Alder Shrubland Development, and Active Layer Temperature in the Northwest Siberian Low Arctic. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, 1:119-124. (Conference Paper)
    22. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G., Ermokhina, K. 2012. Feedbacks between shrubland development and permafrost in the northwest Siberian Low Arctic. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Oral Presentation)
    23. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G., Ermokhina, K. 2012. Feedbacks between shrubland development and permafrost in the northwest Siberian Low Arctic. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Oral Presentation)
    24. Frost, G.V., Epstein, H.E., Walker, D.A., Yu, Q. 2012. Expansion and patch dynamics of alder shrublands in the Siberian Low Arctic: evidence from remote-sensing spanning the Space Age. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Poster)
    25. Gunnarsson, H. 2012. ABDS: Arctic Biodiversity Data Service. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    26. Heim, B., Bartsch, A., Buchhorn, M. 2012. I. SATELLITE-BASED PRODUCTS, EVALUATION - II. Up-Scaling, Calibration and Experiments-Yamal. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    27. Heim, B., Bartsch, A., Elger, K., Permafrost Team, E.D. 2012. Circum-Arctic Satellite-Based Service. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Oral Presentation)
    28. Heim, B., Buchhorn, M., Hubberton, H.-W. 2012. Yamal 2011 Expedition. Alfred Wegener Institute for Polar and Marine Research (AWI) Publication, 14 pp. (PDF)
    29. Hennekens, S.M. 2012. Turboveg in a nutshell. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    30. Kelley, A.M., Epstein, H.E., Ping, C.-L., Walker, D.A. 2012. Soil nitrogen transformations associated with small patterned-ground features along a North American Arctic transect. Permafrost and Periglacial Processes, 23:196-206. doi:10.1002/ppp.1748 (PDF)
    31. Kent, M. 2012. Vegetation Description and Data Analysis: A Practical Approach. Wiley-Blackwell. New York. .
    32. Khomutov, A. 2012. Mapping of Active Layer Depths Using Correlation between Active Layer Depth and Vegetation Parameters on Central Yamal, Russia. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Poster)
    33. Khomutov, A., Leibman, M.O., Moskalenko, N., Orekhov, P., Mullanurov, D. 2012. Database of EAT permafrost information. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    34. Khomutov, A.V. 2012. Assessment of Landslide Geohazards in Typical Tundra of Central Yamal. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, 2:157-162. (Conference Paper)
    35. Kumpula, T., Forbes, B.C., Stammler, F., Meschtyb, N. 2012. Dynamics of a Coupled System: Multi-Resolution Remote Sensing in Assessing Social-Ecological Responses during 25 Years of Gas Field Development in Arctic Russia. Remote Sensing: Human-Induced Global Change, 4(4):1046-1068. doi:10.3390/rs4041046 (PDF)
    36. Kumpula, T., Forbes, B.C., Stammler, F., Meschtyb, N. 2012. Remote sensing and gis analysis of anthropogenic and natural land use and land cover changes in tundra environments in Bovanenkovo gas field on Yamal Peninsula, Russia. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    37. Leibman, M.O., Gubarkov, A.A., Khitun, O.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P.T. 2012. Summary of the Russian contribution to the LCLUC project. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    38. Leibman, M.O., Khitun, O.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P.T. 2012. Active layer and permafrost boreholes along the Yamal transect. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    39. Luoto, M. 2012. Plant mapping is not just mapping plants: Fennoscandia. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    40. Macander, M.J., Raynolds, M.K., Frost, G.V., Winterstein, M.A. 2012. Assessment of snow regime patterns and vegetation greenness trends in northern Alaska using Landsat time-series data,1985–2011. Presented at AGU Fall Meeting, San Francisco, CA December 3-7. (GC21A-0941, Tuesday, December 4, session GC21A) (Poster)
    41. Macias-Fauria, M., Forbes, B.C., Zetterberg, P. and Kumpula, T. 2012. Eurasian Arctic greening reveals teleconnections and the potential for novel ecosystems. Nature Climate Change. doi:10.1038/nclimate1558
    42. Masson-Delmotte, V., Swingedouw, D., Landais, A., Siedenkrantz, M.-S., Gauthier, E., Bichet, V., Massa, C., Perren, B., Jomelli, V., Adalgeirsdottir, G., Christensen, J., Arneborg, J., Bhatt, U.S., Walker, D.A., Elberling, B., Gillet-Chaulet, F., Ritz, C., Gallee, H., van den Broeke, M., Fettweis, X., de Vernal, A. 2012. Greenland climate change: from the past to the future. Climate Change, draft:(unk):45. doi:10.1002/wcc.186 (PDF)
    43. Matyshak, G.V. 2012. Soils investigations along the EAT. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    44. Michaelson, G.J., Ping, C.-L., Walker, D.A. 2012. Soils associated with biotic activity on frost boils in Arctic Alaska. Soil Science Society of America Journal, 76:2265. (PDF)
    45. Moskalenko, N.G. 2012. Impact of Permafrost Degradation on Northern Taiga Ecosystems in Western Siberia. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, 2: 281-286. (Conference Paper)
    46. Orekhov, P., Leibman, M.O. 2012. General Environment and Climate of the EAT. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    47. Peet, R.K. 2012. Data challenges for building a global infrastructure for vegetation plot data. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    48. Raynolds, M.K., Walker, D.A., Epstein, H.E., Pinzon, J.E., Tucker, C.J. 2012. A new estimate of tundra-biome phytomass from trans-Arctic field data and AVHRR NDVI. Remote Sensing Letters, 3:403-411. doi:10.1080/01431161.2011.609188 (PDF)
    49. Raynolds, M.K., Walker, D.A., Kofinas, G.P., Ambrosius, K.J. 2012. 60 Years of Landscape Change within an Arctic Oilfield, Prudhoe Bay, Alaska. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Poster)
    50. Raynolds, M.K., Walker, D.A., Kofinas, G.P., Ambrosius, K.J. 2012. Sixty years of landscape change within an Artic Oilfield, Prudhoe Bay, Alaska. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    51. Raynolds, M.K., Walker, D.A., Verbyla, D., Munger, C.A. 2012. Patterns of change within a tundra landscape: 22-year Landsat NDVI trends in an area of the northern foothills of the Brooks Range, Alaska. Arctic, Antarctic, and Alpine Research.
    52. Schmidt, N.M. 2012. Greenland Gradients. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    53. Strauss, J., Ulrich, M., Buchhorn, M. 2012. Expeditions to permafrost 2012 : "Alaskan North Slope/Itkillik", "Thermokarst in Central Yakutia", "EyeSight-NAAT-Alaska". Reports on Polar and Marine Research, 65 pp. doi:net/10013/epic.40371 (PDF)
    54. Streever, W. 2012. North Slope Tundra Wetland Rehabilitation Program Site Visit.
    55. Timling, I. and Taylor, D.L. 2012. Peeking through a frosty window: molecular insights into the ecology of Arctic soil fungi. Fungal Ecology, 5(4):419-429. (PDF)
    56. Timling, I., Walker, D.A., Gardes, M., Charcosset, J.Y., Welker, J.A., Taylor, D.L. 2012. Distribution and drivers of ectomycorrhizal fungal communities across the North American Arctic. Ecosphere, 3:1-25. (PDF)
    57. Topp, R., Conner, L. 2012. The Changing Arctic. (mp4) mp4
    58. Ukraintseva, N.G., Korobova, T.A. 2012. Summary of willow studies in the Bovanenkovo region. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    59. Walker, D.A. 2012. Summary of the IPY Greening of the Arctic Project. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK April 6. (Oral Presentation)
    60. Walker, D.A. 2012. The idea of Greenland transects in the context of the IPY Greening of the Arctic project and Greenland biodiversity. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    61. Walker, D.A. 2012. Summary of the Greening of the Arctic Project. Presented at Third Yamal Land-Cover Land-Use Change Workshop, Rovaniemi, Finland, May 19-20, 2012. (Oral Presentation)
    62. Walker, D.A. 2012. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Proposal to the National Science Foundation. (PDF)
    63. Walker, D.A., Bhatt, U.S., Epstein, H.E., Bieniek, P.A., Comiso, J.C., Frost, G.V., Pinzon, J., Raynolds, M.K., Tucker, C.J. 2012. [The Arctic] Changing Arctic tundra vegetation biomass and greenness [in "State of the Climate in 2011"]. Bulletin of the American Meteorological Society, 93(7):S138-139. doi:10.1175/2012BAMSStateoftheClimate.1 (PDF)
    64. Walker, D.A., Epstein, H.E., Bhatt, U.S., Leibman, M.O., Forbes, B.C., Romanovsky, V.E., Kofinas, G., Kumpula, T., Raynolds, M.K., Frost, G.V., Yu, Q., Bieniek, P.A., Orekhov, P., Matyshak, G., Moskalenko, N., Ukraientseva, N., Khumotov, A., Ermokhina, K., Drozdov, D., Comiso, J.C., Pinzon, J., Tucker, C.J., Meschtyb, N., Stammler, F., Khitun, O.V. 2012. Greening of the Arctic Project (IPY-GOA, project ID 569). Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Poster)
    65. Walker, D.A., Epstein, H.E., Bhatt, U.S., Leibman, M.O., Forbes, B.C., Romanovsky, V.E., Kofinas, G., Kumpula, T., Raynolds, M.K., Frost, G.V., Yu, Q., Bieniek, P.A., Orekhov, P., Matyshak, G., Moskalenko, N., Ukraientseva, N., Khumotov, A., Ermokina, K., Comiso, J.C., Pinzon, J., Tucker, C.J., Meschtyb, N., Stammler, F. 2012. A hierarchical analysis of land-cover and land-use change in tundra environments: Remote sensing, ground-based observations of social and ecological factors, and models. Presented at 2012 NASA LCLUC Science Team meeting, Rockville, MD, April 3-5, 2012. (Poster)
    66. Walker, D.A., Epstein, H.E., Raynolds, M.K., Kuss, P., Kopecky, M.A., Frost, G.V., Daniëls, F.J.A., Leibman, M.O., Moskalenko, N.G., Matyshak, G.V., Khitun, O.V., Khomutov, A.V., Forbes, B.C., Bhatt, U.S., Kade, A.N., Vonlanthen, C.M., Tichy, L. 2012. Environment, vegetation and greenness (NDVI) along the North America and Eurasia Arctic transects. Environmental Research Letters, 7(1). doi:10.1088/1748-9326/7/1/015504 (PDF)
    67. Walker, D.A., Matyshak, G., Frost, G.V., Zhurbenko, M., Afonina, O. 2012. High cover, biomass, and NDVI of biological soil crusts on Hayes Island, Franz Josef Land, Russia. Presented at Tenth International Conference on Permafrost, Salekhard, Russia June 25-29, 2012. (Poster)
    68. Walker, D.A., Raynolds, M.K. and Breen, A. 2012. Survey of Arctic relevé data and a Northern Alaska IAVD prototype. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    69. Walker, D.A., Raynolds, M.K., Breen, A., Daniëls, F.J.A., Talbot, S.S., Hennekens, S.M., Peet, R.K., Murray, D.F., Walker, M.D. 2012. An International Arctic Vegetation Database. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    70. Walker, D.A., Raynolds, M.K., Breen, A., Daniëls, F.J.A., Talbot, S.S., Hennekens, S.M., Peet, R.K., Murray, D.F., Walker, M.D. 2012. An International Arctic Vegetation Database. Presented at European Vegetation Survey 21st Workshop. Vienna, Austria May 24-27. (Oral Presentation)
    71. Walker, D.A., Webber, P.J., Brown, J., Raynolds, M.K., Streever, W., Ambrosius, K. 2012. The evolution of the Integrated Geobotanical and Historical Change Mapping (IGHCM) approach for documenting landscape change (1949-2010), Prudhoe Bay oil field, AK, USA. Presented at 12th Circumpolar Remote Sensing Symposium, Levi, Finland, May 14-18, 2012. (Oral Presentation)
    72. Wilson, J.B., Chiarucci, A., Chytrý, M., Pärtel, M. 2012. Editors' Award, vegetation survey, remote sensing and restoration. Applied Vegetation Science, 15:(1-3). doi:10.1111/j.1654-109X.2011.01170.x (PDF)
    73. Wisz, M.S. 2012. Examining Changes in Arctic Plant Assemblages: Past, Present, and Future. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    74. Yermokhina, K.A. and Myalo, E.G. 2012. Phytoindicators of Landslide Disturbances in the Central Yamal. Proceedings of the Tenth International Conference on Permafrost (TICOP), Salekhard, Russia, June 25-29, 2012, 2:531-536. (Conference Paper)
    75. Yoccoz, N.G., Brathen, K.A., Favolainen, V., Ehrich, D., Henden, J.A., Killengreen, S., Jensvoll, I., Ims, R.A., Jepsen, J.U., Stien, A., Tveraa, T., Fuglei, E., Pedersen, A.O., Kohler, J., Muller, E., Eidesen, P., Tveito, O.E. 2012. Monitoring ecosystem dynamics on Varanger peninsula: carnivore-herbivore-vegetation interactions. Presented at International Arctic Vegetation Database Workshop. Roskilde, Denmark May 29-31. (Oral Presentation)
    76. Yu, Q., Epstein, H.E., Walker, D.A., Forbes, B.C. 2012. Dynamics of Circum-Arctic Tundra Plant Communities in Response to Climate Warming and Grazing Pressure. Presented at From Knowledge to Action, 2012 IPY Conference, Montreal, Quebec, May 22-27, 2012. (Oral Presentation)

  1. 2011

    1. Bhatt, U.S. 2011. Collaborative Research: Seasonality of circumpolar tundra - ocean and atmosphere controls and effects on energy and carbon budgets. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    2. Bhatt, U.S., Walker, D.A., Raynlds, M.K, Bieniek, P., Comiso, J.C., Pinzon, J.E., and Tucker, C.J. 2011. The role of seasonality and large-scale climate drivers in recent Pan-Arctic tundra vegetation variability and change. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC51F-1075, Friday, Dec. 9, session GC51F) (Poster)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2011. Understanding Recent Arctic Tundra Vegetation Changes. Presented at World Climate Research Programme Open Science Conference. Denver, CO October 24. (Poster)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2011. Seasonal changes of the ice-ocean-atmosphere-terrestrial system on the Yamal. Presented at LCLUC Science Team Meeting. Adelphi, MD March 28-30. (Poster)
    5. Bieniek, P.A., Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2011. Impacts of Changing Seasonality on Arctic Systems and an Arctic in Rapid Transition II. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC32A-04, Wednesday, Dec. 7, session GC32A) (Oral Presentation)
    6. Blinnikov, M.S., Gaglioti, B., Walker, D.A., Wooler, M.J., Zazula, G.D. 2011. Pleistocene graminoid-dominated ecosystems in the Arctic. Quaternary Science Reviews, 30:2906-2929. doi:10.1016/j.quascirev.2011.07.002 (PDF)
    7. Callaghan, T.V., Johansson, M., Brown, R.D., Groisman, P.Y., Labba, N., Radionov, V., Barry, R.G., Bulygina, O.N., Essery, R.L.H., Frolov, D.M., Golubev, V.N., Grenfell, T.C., Petrushina, M.N., Razuvaez, V.N., Robinson, D.A., Romanov, P., Shindell, D., Shmakin, A.B., Sokratov, S.A., Warren, S., Yang, D. 2011. The Changing Face of Arctic Snow Cover: A Synthesis of Observed and Projected Changes. Ambio, (40):17-31. doi:-011-0212-y (PDF)
    8. Ehrich, D., Henden, J.-A., Ims, R.A., Doronina, L.O., Killengren, S.T., Lecomte, N., Pokrovsky, I.G., Skogstad, G., Sokolov, A.A., Sokolov, V.A., Yoccoz, N.G. 2011. The importance of willow thickets for ptarmigan and hares in shrub tundra: the more the better?. Oecologia, (168):141-151. doi:-011-2059-0 (PDF)
    9. Elmendorf, S.C., Henry, G.H.R., Hollister, R.D., Björk, R.G., Bjorkman, A.D., Callaghan, T.V., Collier, L.S., Cooper, E.J., Cornelissen, J.H.C., Day, T.A., Fosaa, A.M., Gould, W.A., Grétarsdóttir, J., Harte, J., Hermanutz, L., Hik, D.S., Hofgaard, A., Jarrad, F., Jónsdóttir, I.S., Keuper, F., Klanderud, K., Klein, J.A., Koh, S., Kudo, G., Lang, S.I., Loewen, V., May, J.L., Mercado, J., Michelsen, A., Molau, U., Myers-Smith, I.H., Oberbauer, S.F., Pieper, S., Post, E., Rixen, C., Robinson, C.H., 2011. Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and time. Ecology Letters, 15:164-175. doi:1-0248.2011.01716.x (PDF)
    10. Elven, R., Murray, D.F., Razzhivin, V.Y., Yurtsev, B.A. 2011. Annotated Checklist of the Panarctic Flora (PAF) Vascular Plants. (Website)
    11. Epstein, H.E., Yu, Q., Frost, G.V., Raynolds, M.K., Walker, D.A., Forbes, B.C. 2011. Effects of climate, grazing, and gas development on tundra ecosystems of the Yamal Peninsula, northwestern Siberia. Presented at LCLUC Science Team Meeting. Adelphi, MD . (Poster)
    12. Frost, G.V., Epstein, H.E., Walker, D.A., Matyshak, G., Ermokhina, K. 2011. Tall shrub expansion facilitated by patterned ground in the northwest Siberian Low Arctic. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC51F-1058, Friday, Dec. 9, session GC51F) (Poster)
    13. Goetz, S.J., Epstein, H.E., Alcaraz, J.D., Beck, P.S.A., Bhatt, U.S., Bunn, A., Comiso, J.C., Jia, G.J., Kaplan, J.O., Lilschke, H., Lloyd, A., Walker, D.A., Yu, Q. 2011. Recent changes in Arctic vegetation: Satellite observations and simulation model predictions. In: G. Gutman and A. Reissell (eds.), Eurasian Arctic Land Cover and Land Use in a Changing Climate, pp. 9-36. Springer: New York, NY. (PDF)
    14. Khitun, O.V., Ermokhina, K.A., Leibman, M.O., Khomutov, A.V. 2011. Plant species indicating the depth of active layer on the Bely Island. Fourth Russian Conference on Geocryology. Moscow, Russia, June 7-9. (Oral Presentation)
    15. Kumpula, T., Pajunen, A., Kaarlejärvi, E., Forbes, B.C., Stammler, F. 2011. Land use and land cover change in Arctic Russia: Ecological and social implications of industrial development. Global Environ. Change. doi:10.1016/j.gloenvcha.2010.12.010 (PDF)
    16. Leibman, M.O., Moskalenko, N.G., Orekov, P.T., Khomutov, A.V., Walker, D.A., Epstein, H.E. 2011. Interaction of cryogenic and biotic components in cryolithozone of the West Siberia along the Yamal transect. In: Polar cryosphere and hydrosphere of the Land.
    17. Raynolds, M.K. 2011. Searching for the response of northern vegetation to climate change. Presented at Iceland Institute of Natural History. Akureyri, Iceland 6 April. (Oral Presentation)
    18. Raynolds, M.K. 2011. Searching for the response of northern vegetation to climate change. Presented at University of Akureyri. Akureyri, Iceland 28 April. (Oral Presentation)
    19. Stevens, D.S.P., Jorgensen, M.T., Walker, D.A., Brown, J. 2011. Permafrost Information Enhanced by New Guide Books from the Ninth International Conference on Permafrost. Presented at 2011 Association of American Geographers Annual Meeting. Seattle, WA April 12-16. (Poster)
    20. Talbot, S.S., Baldwin, K.A., Jorgensen, M.T., MacKenzie, W., Meades, W.J., Meidinger, D., Robitaille, A., Saucier, J.P., Selkowitz, D., Walker, D.A. 2011. Progress toward a circumboreal vegetation map (CBVM) emphasizing boreal North America. Presented at European Vegetation Survey 20th Workshop. Rome, Italy April 6-9.
    21. Tichý, L., Holt, J., Nejezchlebová, M. 2011. JUICE program for management, analysis and classification of ecological data. Vegetation Science Group, Masaryk University. Brno. . (2nd Edition of the Program Manual)
    22. Walker, D.A, Bhatt, U.S, Epstein, H.E., Forbes, B.C., Liebman, M.O., Raynolds, M.K., Frost, G.V. and Yu, Q. 2011. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 21 pp. (PDF)
    23. Walker, D.A. 2011. Biocomplexity of small patterned-ground features. Presented at Arctic Ecology Course. Masaryk University, Brno, Czech Republic March 8. (PPT) (PDF)
    24. Walker, D.A. 2011. Arctic vegetation along two long bioclimatic transects in North America and Russia. Presented at Fulbright Lecture, Botany Dept., Masarysk University. Brno, Czech Republic March 10. (Oral Presentation)
    25. Walker, D.A. 2011. Greening of the Arctic: Climate change and circumpolar Arctic vegetation. Presented at Fulbright Lecture, Cesko Budovice University. Cesko Budovice, Czech Republic April 27. (Oral Presentation)
    26. Walker, D.A. 2011. Socio-ecological effects of oil and gas development in the Arctic: Comparison of the Prudhoe Bay, Alaska and Bovanenkova, Russia regions. Presented at Earth Day, 20th Celebration of the Czech Fulbright Commission. American Center, Prague, Czech Republic April 21. (Oral Presentation)
    27. Walker, D.A. 2011. Vulnerability, Impacts and Adaptations of Arctic Social-Ecological Systems. Proposal to the National Aeronautics and Space Administration. (PDF)
    28. Walker, D.A. 2011. Welcome to IASC. Presented at Understanding Biodiversity Changes and Causes - Synergies in Arctic Terrestrial Biodiversity Research and Monitoring. Sonnerupgaard Gods, Hvalsø, Denmark 12 October. (Oral Presentation)
    29. Walker, D.A. 2011. Multi-scale monitoring of Arctic vegetation. Presented at Terrestrial Expert Monitoring Group Inaugural Workshop. Sonnerupgaard Gods, Hvalsø, Denmark 10-14 October. (Oral Presentation)
    30. Walker, D.A., Barbour, E.M., Maier, H.A. 2011. Toolik-Arctic Geobotanical Atlas: A plant-to-planet volume of maps and related information produced by the Alaska Geobotany Center. (Toolik-Arctic Geobotanical Atlas)
    31. Walker, D.A., Bhatt, U.S., Callaghan, T.V., Comiso, J.C., Epstein, H.E., Forbes, B.C., Gill, M., Gould, W.A., Henry, G.H.R., Jia, G.J., Kokelj, S.V., Lantz, T.C., Oberbauer, S.F., Pinzon, J.E., Raynolds, M.K., Shaver, G.R., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2011. [The Arctic] Land: Vegetation [in "State of the Climate in 2010"]. Bulletin of the American Meteorological Society, 92:S150-S152. doi:10.1175/1520-0477-92.6.S1 (Website)
    32. Walker, D.A., Bhatt, U.S., Callaghan, T.V., Comiso, J.C., Epstein, H.E., Forbes, B.C., Gill, M., Gould, W.A., Henry, G.H.R., Jia, G.J., Kokelj, S.V., Lantz, T.C., Oberbauer, S.F., Pinzon, J.E., Raynolds, M.K., Shaver, G.R., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2011. Vegetation. In: J. Richter-Menge, M.O. Jeffries and J.E. Overland (eds.), Arctic Report Card 2011. NOAA Arctic Research Program. (Website) (PDF)
    33. Walker, D.A., Bhatt, U.S., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Frost, G.V., Leibman, M.O., Forbes, B.C., Comiso, J.C., Tucker, C.J., Pinzon, J. 2011. Satellite and land-based observations of environment, vegetation and NDVI along two Arctic Transects: Partial results from the IPY Greening of the Arctic Project. AGU Fall Meeting. San Francisco, CA, December 5-9. (GC51F-1072, Friday, Dec. 9, session GC51F) (Poster)
    34. Walker, D.A., Bienek, P., Bhatt, U.S., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Tucker, C.J., Pinzon, J., Liebman, M.O., Forbes, B.C., Kumpula, T. 2011. The Arctic Tundra is a maritime biome. Presented at High latitude trace gas exchanges: the role of ocean-land interactions. Nuuk, Greenland September 19-22. (Oral Presentation)
    35. Walker, D.A., Carlson, S., Frost, G.V., Matyshak, G.V., Leibman, M.E., Orechov, P., Khomutov, A.V., Khitun, O., Zhurbenko, M.P., Afonina, O., Barbour, E.M. 2011. 2010 Expedition to Krenkel Station, Hayes Island, Franz Josef Land Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    36. Walker, D.A., Forbes, B.C., Leibman, M.O., Epstein, H.E., Bhatt, U.S., Comiso, J.C., Drozdov, D.S., Gubarkov, A.A., Jia, G.J., Karlejaärvi, E., Kaplan, J.O., Khumutov, V., Kofinas, G.P., Kumpula, T., Kuss, P., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E., Stammler, F. and Yu, Q. 2011. Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia. In: G. Gutman and A. Reissel (eds.), Eurasian Arctic Land Cover and Land Use in a Changing Climate, pp. 206-236. Springer: New York, NY. doi:10.1007/978-90-481-9118-5_9 (PDF)
    37. Walker, D.A., Kuss, H.P., Epstein, H.E., Kade, A.N., Vonlanthen, C., Raynolds, M.K., Daniëls, F.J.A. 2011. Vegetation of zonal patterned-ground ecosystems along the North American Arctic Transect. Applied Vegetation Science, 14:440-463. (PDF)
    38. Walker, D.A., Kuss, H.P., Kopecky, M., Frost, G.V., Daniëls, F.J.A., Kade, A.N., Vonlanthen, C.M., Raynolds, M.K., Epstein, H.E. 2011. The North American and Eurasia Arctic transects: Using phytosociology and remote sensing to detect vegetation pattern and change. Presented at European Vegetation Survey 20th Workshop. Rome, Italy April 6-9. (Oral Presentation)
    39. Walker, D.A., Maier, H.A., Barbour, E.M., Raynolds, M.K. 2011. Final Report for A web-based multi-scale Arctic Geobotanical Atlas (AGA) for the Toolik Lake Field Station, Arctic Alaska, and the Circumpolar Region. AGC Final Report. University of Alaska Fairbanks, Fairbanks, AK, 13 pp. (PDF)
    40. Walker, D.A., Raynolds, M.K. 2011. An International Arctic Vegetation Database: A foundation for panarctic biodiversity studies. CAFF Strategy Series Report nr. 5, 29 pp. (PDF)
    41. Walker, D.A., Raynolds, M.K., Epstein, H.E., Bhatt, U.S., Frost, G.V., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2011. Greening of the Arctic: Spatial variation of biomass and NDVI along two Arctic transects and the Circumpolar Arctic. Presented at LCLUC Science Team Meeting. Adelphi, MD March 28-30. (Poster)
    42. Yu, Q., Epstein, H., Walker, D.A., and Forbes, B.C. 2011. Modeling dynamics of circum-arctic tundra plant communities in response to climate warming and grazing pressure. AGU Fall Meeting. San Francisco, cA, December 5-9. (GC41C-0831, Friday, Dec. 9, session GC51F) (Poster)
    43. Yu, Q., Epstein, H.E., Walker, D.A. 2011. Modeling dynamics of tundra plant communities on the Yamal Peninsula. Presented at LCLUC Science Team Meeting. Adelphi, MD March 28-30. (Poster)
    44. Yu, Q., Epstein, H.E., Walker, D.A., Frost, G.V., Forbes, B. 2011. Modeling dynamics of tundra plant communities on the Yamal Peninsula, Russia, in response to climate change and grazing pressure. Environmental Research Letters, 6(4). doi:10.1088/1748-9326/6/4/045505 (PDF)

  1. 2010

    1. Alcaraz, J.D., Cabello, J., Epstein, H.E., Jia, G.J. 2010. Trends in the surface vegetation dynamics of the tundra and taiga network of protected areas in Eurasia as observed by satellite sensors. (in prep).
    2. Bhatt, U.S. 2010. Collaborative Research: Seasonality of circumpolar tundra - ocean and atmosphere controls and effects on energy and carbon budgets. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 5 pp. (PDF)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Bieniek, P.A., Epstein, H.E., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Polyakov, I.V., Liu, Y., Gens, R., Tweedie, C.E., Webber, P.J., Steele, M., Jia, G.J. 2010. Understanding drivers of recent Arctic tundra vegetation changes. AGU Fall Meeting. San Francisco, CA, 13-17 December. (Oral Presentation)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R., Pinzon, J., Tucker, C., Tweedie, C., Webber, P. 2010. Circumpolar Arctic tundra vegetation change is linked to sea-ice decline. Presented at State of the Arctic Meeting. Miami, Fl March 16-19. (Oral Presentation)
    5. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R., Pinzon, J.E., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2010. Circumpolar Arctic tundra vegetation change is linked to sea-ice decline. Earth Interactions, 14:(8):1-20. (PDF)
    6. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J. 2010. Seasonality of the atmosphere-ocean-ice-terrestrial environment of Arctic tundra. Presented at State of the Arctic Meeting. Miami, FL March 16-19. (Poster)
    7. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Climatology and Seasonality of the ice-ocean-atmosphere-terrestrial system on the Yamal. Presented at Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    8. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Circumpolar arctic tundra vegetation change is linked to sea-ice decline. Presented at Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    9. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Climatology and variability of the ice-ocean-atmosphere-terrestrial system on the Yamal. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Poster)
    10. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Steele, M., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2010. Circumpolar arctic tundra vegetation change is linked to sea-ice decline. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Oral Presentation)
    11. Bieniek, P.A., Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Gens, R., Pinzon, J.E., Tucker, C.J., Steele, M., Ozimek, C. 2010. Alaska tundra vegetation trends and their links to the large-scale climate. AGU Fall Meeting. San Francisco, CA, 13-17 December. (Poster)
    12. Comiso, J.C. 2010. State of the Cryosphere in the Arctic. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    13. Drozdov, D.S., Grechichshev, S.E., Malkova, G.V., Korostelev, Y.V. 2010. Yamal Peninsula maps and GIS information. Update on ECI activities and permafrost research on the Yamal. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland 8-10 March 2010. (Oral Presentation)
    14. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. Presented at IPY Oslo Science Conference. Oslo, Norway 8-12 Jun. (Oral Presentation)
    15. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G., Leibman, M.O., Kaarlejärvi, E., Khomutov, A.V., Kuss, H.P., Moskalenko, N.G., Orechov, P., Matyshak, G., Forbes, B.C., Yu, Q. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 20-22 April. (Poster)
    16. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G.J., Leibman, M.O., Kaarlejärvi, E., Khomutov, A.V., Kuss, H.P., Moskalenko, N.G., Orechov, P., Matyshak, G., Forbes, B.C. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Oral Presentation)
    17. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G.J., Leibman, M.O., Kaarlejärvi, E., Khomutov, A.V., Kuss, P., Moskalenko, N.G., Orechov, P., Matyshak, G., Forbes, B.C. 2010. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in Arctic tundra. Presented at State of the Arctic Meeting. Miami, FL 16-19 March. (Oral Presentation)
    18. Forbes, B.C., Fauria, M.M., Zetterberg, P. 2010. Russian Arctic Warming and 'Greening' are Closely Tracked by Tundra Shrub Willows. Presented at State of the Arctic Conference. Miami, FL March 16-19. (Poster)
    19. Forbes, B.C., Fauria, M.M., Zetterberg, P. 2010. Russian Arctic warming and 'greening' are closely tracked by tundra shrub willows. Global Change Biology, 1542-1554. (PDF)
    20. Forbes, B.C., Fauria, M.M., Zetterberg, P., Kumpula, T. 2010. Deciduous shrub growth and the greening of the Arctic in West Siberia. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC53B-08) (Oral Presentation)
    21. Forbes, B.C., Murray, M.S., Walker, D.A. 2010. Human dimensions of land-cover and land-use change in the Arctic with a focus on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Oral Presentation)
    22. Forbes, B.C., Stammler, F., Kumpula, T., Meschtyb, N., Pajunen, A., Kaarlejärvi, E. 2010. High resilience in the Yamal-Nenets social-ecological System, west Siberian Arctic, Russia. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    23. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Spatio-temporal dynamics in tree and tall shrub cover near Kharp, northwest Siberia: 2009 field observations and proposed 2010 study plan. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    24. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Summary of 2009 field observations and proposed 2010 study plan for Kharp study site, northwest Siberia. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Oral Presentation)
    25. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Spatio-temporal trends in tree and shrub cover in the circumpolar Low Arctic: Evidence from 1960s satellite photography and ground observations. Presented at State of the Arctic Meeting. Miami, FL March 16-19. (Poster)
    26. Frost, G.V., Epstein, H.E., Walker, D.A. 2010. Spatio-temporal dynamics in tree and tall shrub cover near Kharp, northwest Siberia. Presented at Land Cover, Land Use Change Spring Science Team Meeting Bethesda, MD April 20-22. (Poster)
    27. Frost, G.V., Epstein, H.E., Walker, D.A., Yu, Q., Raynolds, M.K. 2010. Spatio-temporal trends in vegetation structure and NDVI in Low Arctic northwest Siberia: evidence from the satellite record and ground observations. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC54A-03) (Oral Presentation)
    28. Frost, G.V., Walker, D.A., Raynolds, M.K., Epstein, H.E. 2010. Ordination and gradient analysis of Yamal Peninsula releve data. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 8-10. (Poster)
    29. Gould, W.A., Gonzalez, G., Walker, D.A., Ping, C.L. 2010. Commentary. Integrating research, education, and traditional knowledge in ecology: a case study of biocomplexity in Arctic ecosystems. Arctic, Antarctic, and Alpine Research, 42:(4):379-384. (PDF)
    30. Gubarkov, A. 2010. Issues of Yamal Peninsula gas fields development. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    31. Heim, B., Bartsch, A., Boike, J., Hubberten, H.-W. 2010. DUE Permafrost: a spaceborne permafrost monitoring and information system. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    32. Jia, G.J., Epstein, H.E., Walker, D.A., Raynolds, M.K., Yonghong, H., Tucker, C. 2010. Satellite view of changing phenological patterns over Arctic tundra biome. Presented at State of the Arctic Meeting. Miami, FL March 16-19. (Poster)
    33. Jia, G.J., Hu, Y., Wang, H., Epstein, H.E., Walker, D.A. 2010. Greening and Seasonality: Multi-scale Approaches. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland 8-10 March 2010. (Oral Presentation)
    34. Kaplan, J.O., Melton, J.R., Pfeiffer, M., Collins, P.M. 2010. Large-scale dynamic modeling of soil-vegetation interactions. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    35. Khitun, O., Rebristaya, O. 2010. Concrete Flora Concept as a Base for Floristic Investigations in the Russian Arctic. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    36. Khitun, O.V., Moskalenko, N.G. 2010. Summary of Yamal vegetation and flora. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    37. Khomutov, A.V., Leibman, M.O. 2010. Landscape pattern and cryogenic landsliding hazard analysis at Vaskiny Dachi, Central Yamal. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    38. Khomutov, A.V., Leibman, M.O., Epstein, H.E. 2010. Relation between active-layer depth, NDVI and LAI along the Yamal Transect. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    39. Kumpula, T., Forbes, B.C., Stammler, F. 2010. Land-use and land-cover changes in Yamal peninsula. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    40. Kumpula, T., Forbes, B.C., Stammler, F. 2010. Remote sensing and local knowledge of hydrocarbon exploitation: the case of Bovanenkovo, Yamal Peninsula, West Siberia, Russia. Arctic, 63:(2):165-178.
    41. Leibman, M.O., Gubarkov, A.A., Khumotov, A.V., Moskalenko, N.G., Orekhov, P.T., Ponomareva, O.E., Gameev, I.A. 2010. Geocryological Map of the USSR, 1:2,500,000, 1991. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    42. Maier, H.A., Walker, D.A. 2010. Ostrov Belyy (White Island), Yamal Peninsula region, Russia: Landsat ETM+ false color image, land-cover map, and NDVI map (1:200K scale). Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    43. Maier, H.A., Walker, D.A. 2010. Yamal Peninsula, Russia: Landsat TM Mosaic Image (1:1M scale), Land-Cover Maps and NDVI Maps of the LCLUC Study Areas (1:250K-1:300K scales). Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    44. Maier, H.A., Walker, D.A. 2010. Application of Global Land Survey data to land-cover mapping: Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Poster)
    45. Moskalenko, N.G. 2010. Vegetation Dynamics at the Nadym and Kharasavei sites in the West Siberia North. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Poster)
    46. Orekhov, P., Leibman, M.O. 2010. Yamal Peninsula, climate, zonation, physiography, geology, permafrost. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    47. Pinzon, J.E., Tucker, C.J. 2010. GIMMS 3g NDVI set and global NDVI trends. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    48. Raynolds, M.K., Walker, D.A., Bhatt, U.S., Pinzon, J.E., Comiso, J.C. 2010. NDVI trends 1981-2008 in the circumpolar Arctic and Yamal. Presented at Yamal Land-Cover land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Oral Presentation)
    49. Raynolds, M.K., Walker, D.A., Verbyla, D., Munger, C.A. 2010. Changes in tundra vegetation over 25 years as measured by Landsat NDVI in the Upper Kuparuk River Basin, North Slope Alaska, 1985-2009. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC43B-0984) (Poster)
    50. Stammler, F. 2010. Humans and animals on northern Yamal: uncovering unknown patterns of movement and settlement. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    51. Streletskiy, D.A., Nelson, F.E., Shiklomanov, N.I. 2010. Spatial and temporal variability of active-layer thickness under changing climatic conditions in Northwest Siberia. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    52. Talbot, S.S., Walker, D.A. 2010. Circumboreal Vegetation Mapping (CBVM) Project: Introduction and objectives. Circumboreal Vegetation Mapping (CBVM) Workshop. Helsinki, Finland, November 3-6, 2008, 1-3. (Oral Presentation)
    53. Tape, K.D., Lord, R., Marshall, H.-P., Ruess, R.W. 2010. Snow-mediated ptarmigan browsing and shrub expansion in arctic Alaska. Ecoscience, (17):186-193. doi:323 (PDF)
    54. Ukraintseva, N.K. 2010. High Willow Shrubs in Yamal: Reasons of Their Wide Expansion and Methods of Biomass Assessment. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    55. Walker, D.A. 2010. An integrated mapping approach and suggestions for incorporating tundra into the CBVM legend. Presented at Circum-Boreal Vegetation Mapping Workshop. Helsinki, Finland March 12-14.
    56. Walker, D.A. 2010. Is Arctic refuge grass greener?. Fairbanks Daily News-Miner. (Fairbanks Daily News-Miner) (Oral Presentation)
    57. Walker, D.A. 2010. Welcome, goals of the workshop, and overview of the project. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    58. Walker, D.A. 2010. Greening of the Arctic: Spatial and temporal (1982-2009) variation of circumpolar tundra NDVI and aboveground biomass. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC53B-01) (Oral Presentation)
    59. Walker, D.A., Bhatt, U.S., Comiso, J.C., Epstein, H.E., Gould, W.A., Henry, G.H.R., Jia, G.J., Kokelj, S.V., Lantz, T.C., Mercado-Diaz, J.A., Pinzon, J.E., Raynolds, M.K., Shaver, G.R., Tucker, C.J., Tweedie, C.E., Webber, P.J. 2010. [The Arctic] Land: Vegetation [in "State of the Climate in 2009"]. Bulletin of the American Meteorological Society, 91(7):S115-S116. doi:10.1175/BAMS-91-7-StateoftheClimate (Website) (PDF)
    60. Walker, D.A., Bhatt, U.S., Epstein, H.E., Forbes, B.C., Liebman, M.O. 2010. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 16 pp. (PDF)
    61. Walker, D.A., Epstein, H.E., Bhatt, U.S., Leibman, M.O., Forbes, B., Romanovsky, V.E., Raynolds, M.K., Jia, G.J., Frost, G.V., Khomutov, A.V., Moskalenko, N.G., Orekhov, P., Matyshak, G., Webber, P.J., Tweedie, C.E., Gould, W.A., Mercado, J., Munger, C.A., Maier, H.A., Comiso, J., Pinzon, J.E., Tucker, C.J., Ukraintseva, N.G., Drozdov, D.S., Gubarkov, A.A., Kaarlejärvi, E., Khitun, O., Kuss, P., Yu, Q. 2010. Greening of the Arctic: A planet-to-plant analysis of Arctic vegetation change. Presented at IPY Oslo Science Conference. Oslo, Norway 8-12 June. (Oral Presentation)
    62. Walker, D.A., Epstein, H.E., Bhatt, U.S., Maier, H.A., frost, G.V., Raynolds, M.K., Comiso, J.C., Daanen, R.P., Drozdov, D.S., Forbes, B.C., Gubarkov, A.A., Jia, G.J., Kaarlejärvi, E., Khitun, O., Khumotov, A.V., Kuss, H.P., Leibman, M.E., Matyshak, G., Moskalenko, N.G., Orekhov, P., Pinzon, J.E., Romanovsky, V.E., Tucker, C.J., Ukraientseva, N.K., Yu, Q. 2010. Greening of the Arctic: A planet-to-plant analysis of tundra vegetation change. Presented at State of the Arctic Meeting. Miami, Fl 16-19 March. (Oral Presentation)
    63. Walker, D.A., Epstein, H.E., Maier, H.A., Frost, G.V., Raynolds, M.K., Bhatt, U.S., Comiso, J.C., Daanen, R.P., Drozdov, D.S., Forbes, B.C., Gubarkov, A.A., Jia, G.J., Kaarlejärvi, E., Khitun, O., Khomutov, A.V., Kuss, P., Leibman, M.O., Matyshak, G., Moskalenko, N.G., Orekhov, P., Pinzon, J.E., Romanovsky, V.E., Tucker, C.J., Ukraintseva, N.G., Yu, Q. 2010. The Yamal LCLUC Study: Vegetation analysis and mapping along a 900-km Arctic transect. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 20-22 April. (Poster)
    64. Walker, D.A., Epstein, H.E., Maier, H.A., Frost, G.V., Raynolds, M.K., Bhatt, U.S., Liebman, M.O., Moskalenko, N., Forbes, B.C., Romanovsky, V.E., Comiso, J.C., Daanen, R., Drozdov, D.S., Kaarlejärvi, E., Khitun, O., Khomutov, A.V., Kuss, P., Matyshak, G., Orechov, P., Pinzon, J.E., Tucker, C.J. 2010. The Yamal Transect: Vegetation Analysis and Mapping (a plant to planet approach). Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland March 08-10. (Oral Presentation)
    65. Walker, D.A., Raynolds, M.K., Kofinas, G.P. 2010. Arctic LTER: Map Analysis. Presented at MALS Workshop. Fairbanks, AK October 8-9. (Oral Presentation)
    66. Walker, D.A., Raynolds, M.K., Maier, H.A., Barbour, E.M., Neufeld, G.P. 2010. Circumpolar geobotanical mapping: a web-based plant-to-planet approach for vegetation-change analysis in the Arctic. Presented at Mapping and Monitoring of Nordic Vegetation and Landscapes Conference. Hveragerði, Iceland 16-18 September. (Conference Website) (Oral Presentation)
    67. Walker, D.A., Raynolds, M.K., Maier, H.A., Barbour, E.M., Neufeld, G.P. 2010. Circumpolar geobotanical mapping: a web-based plant-to-planet approach for vegetation-change analysis in the Arctic. Viten, 1:125-128. (Conference Website) (PDF)
    68. Walker, D.A., Walker, M.D., Gould, W.A., Mercado, J., Auerbach, N.A., Maier, H.A., Neufeld, G.P. 2010. Maps for monitoring changes to vegetation structure and composition: The Toolik and Imnavait Creek grid plots. Presented at Mapping and Monitoring of Nordic Vegetation and Landscapes Conference. Hveragerði, Iceland 16-18 September. (Conference Website) (Poster)
    69. Walker, D.A., Walker, M.D., Gould, W.A., Mercado, J., Auerbach, N.A., Maier, H.A., Neufeld, G.P. 2010. Maps for monitoring changes to vegetation structure and composition: The Toolik and Imnavait Creek grid plots. Viten, 1:121-123. (Conference Website) (PDF)
    70. Yu, Q., Epstein, H.E., Walker, D.A. 2010. Controls on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia - an integrative study using ArcVeg and multi-temporal Landsat imagery. Presented at Second Yamal Land-Cover Land-Use Change Workshop. Rovaniemi, Finland 8-10 March. (Oral Presentation)
    71. Yu, Q., Epstein, H.E., Walker, D.A. 2010. Land surface dynamics on the Yamal Peninsula based on multi-temporal imagery. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 20-22. (Poster)
    72. Yu, Q., Epstein, H.E., Walker, D.A., Frost, G.V. 2010. Modeling dynamics of tundra plant communities on the Yamal Peninsula. AGU Fall Meeting. San Francisco, CA, 13-17 December. (GC54A-04) (Oral Presentation)

  1. 2009

    1. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Gens, R. 2009. Greening of Arctic tundra is linked to warming summer land temperatures and sea-ice declines. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March - 2 April. (Poster)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Rudiger, G. 2009. Panarctic linkages between greening of Arctic tundra, sea ice decline, and summer land temperatures. Presented at NEESPI Workshop CITIES-2009. Krasnoyarsk, Russia July 14. (Oral Presentation)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Steele, M., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2009. Seasonality of the air-sea-ice-land environment of Arctic tundra in Northern Eurasia and North America. Presented at Department of Atmospheric Sciences, Informal Seminar. Fairbanks, AK Nov. 18. (Oral Presentation)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Steele, M., Epstein, H.E., Jia, G.J., Comiso, J.C., Pinzon, J.E., Tucker, C.J. 2009. Seasonality of the air-sea-ice-land environment of Arctic tundra in Northern Eurasia and North America. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0701. (Poster)
    5. Epstein, H.E., Walker, D.A., Karlejaärvi, E., Kuss, P., Moskalenko, N.G., Orekhov, P.T., Gubarkov, A.A., Khomutov, A.V., Liebman, M.O., Matyshak, G.V. 2009. Biomass-NDVI-LAI patterns and relationships on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 Mar-2 Apr. (Poster)
    6. Epstein, H.E., Walker, D.A., Raynolds, M.K., Kelley, A.M., Jia, G.J., Ping, C.L., Michaelson, G.J., Liebman, M.O., Kaarlejärvi, E., Khumotov, A.V., Kuss, H.P., Moskalenko, N.G., Orekhov, P., Matyshak, G., Forbes, B.C., Yu, Q. 2009. Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0697. (Poster)
    7. Faber-Langendoen, D., Crawford, R.H., Tart, D.L. 2009. Contours of the revised U.S. national vegetation classification standard. Bull. Ecol. Soc. Am., 90:87-93. doi:10.1890/0012-9623-90.1.87 (PDF)
    8. Fierze, C., Armstrong, R.L., Durand, Y., Etchevers, P., Greene, E., McClung, D.M., Nishimura, K., Satyawali, P.K., Sokratov, S.A. 2009. The International Classification for Seasonal Snow on the Ground. UNESCO-IHP. Paris. IHP-VII Technical Documents in Hydrology (No. 83, IACS Contribution No. 1). . (PDF)
    9. Forbes, B.C., Stammler, F., Kumpula, T., Meschtyb, N., Pajunen, A., Kaarlejärvi, E. 2009. High resilience in the Yamal-Nenets social-ecological system, West Siberian Arctic, Russia. Proc. Natl. Acad. Sci., 106:(52):22041-22048. (PDF)
    10. Frost, G.V., Epstein, H.E., Jorgenson, M.T. 2009. Spatio-temporal trends in tree and tall shrub cover in the circumpolar Arctic: evidence from repeat ground photographs and 1960s satellite imagery. Presented at Land Cover, Land Use Change Spring Science Team Meeting, Bethesda, MD, March 31-April2, 2009. (Poster)
    11. Frost, G.V., Epstein, H.E., Walker, D.A. 2009. Spatio-temporal trends in tree and tall shrub cover in the Eurasian Low Arctic: evidence from 1960s and contemporary satellite imagery and ground observations. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0698. (Poster)
    12. Groisman, P.Y., Clark, E.A., Kattsov, V.M., Lettenmaier, D.P., Sokolik, I.N., Aizen, V.B., Cartus, O., Chen, J., Conard, S., Katzenberger, J., Krankina, O., Kukkonen, J., Machida, T., Maksyutov, S., Ojima, D., Qi, J., Romanovsky, V.E., Santoro, M., Schmullius, C.C., Shiklomanov, A.I., Shimoyama, K., Shugart, H.H., Shuman, J.K., Sofiev, M.A., Sukhinin, A.I., Vorosmarty, C., Walker, D.A., Wood, E.F. 2009. The Northern Eurasia Earth Science Partnership: An example of Science Applied to Societal Needs. Bulletin of the American Meteorological Society, 90:671-688. doi:10.1175/2008BAMS2556.1 (PDF)
    13. Huffman, L. 2009. Changes in tundra greenness linked to sea-ice retreat. IPY. (PDF)
    14. Jennings, M.D., Faber-Langendoen, D., Loucks, O.L., Peet, R.K., Roberts, D. 2009. Standards for associations and alliances of the U.S. National Vegetation Classification. Ecological Monographs, 79:173-199.
    15. Jia, G.J., Epstein, H.E., Walker, D.A. 2009. Vegetation greening in the Canadian Arctic related to decadal warming. Journal of Environmental Monitoring, 11:2231-2238. doi:10.1039/B911677J (Purchase PDF)
    16. Jia, G.J., Epstein, H.E., Walker, D.A., Hu, Y., Wang, H. 2009. Decadal changes of phenological patterns over Arctic tundra biome. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Poster)
    17. Kataoka, M. 2009. ESRI Map Book, Volume 24. ESRI Press. Redlands, CA. 24(24). 120 . (ESRI Map Book, Volume 24: Vegetation in the Vicinity of the Toolik Field Station, Alaska; Alaska Geobotany Center) (PDF)
    18. Kelley, A.M., Epstein, H.E. 2009. Effects of nitrogen fertilization on plant communities of nonsorted circles in moist nonacidic tundra, Northern Alaska. Arctic, Antarctic, and Alpine Research, 41(1):119-127. doi:10.1657/1523-0430-41.1.119 (BioOne online article) (PDF)
    19. Khomutov, A.V., Leibman, M.O., Moskalenko, N.G., Epstein, H.E., Walker, D.A. 2009. Numerical characteristics of vegetation and their influence on active layer depth. Presented at International Workshop on the results of IPY. Sochi, Krasnodar Krai, Russia 28 September - 1 October. (Oral Presentation)
    20. Leibman, M.O., Khomutov, A.V. 2009. Environmental controls of the thaw depth and rate of thaw under climate fluctuations. Association of American Geographers Annual Meeting. Las Vegas, NV, March 22-27. (Abstract) (Oral Presentation)
    21. Leibman, M.O., Ukraintseva, N.K. 2009. Mechanisms and geoecological consequences of cryogenic landslides in the area of marine sedimentation. European Geosciences Union General Assembly 2009. Vienna, Austria, April 19-24, 11:EGU2009-3980. (Abstract) (Oral Presentation)
    22. Ravilious, K. 2009. Siberia's Arctic landscape is getting greener. Environmental Research Web. (Environmental Research Web)
    23. Raynolds, M.K. 2009. A geobotanical analysis of circumpolar arctic vegetation, climate, and substrate. Ph.D. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 260 pp.
    24. Raynolds, M.K., Walker, D.A. 2009. Effects of deglaciation on circumpolar distribution of arctic vegetation. Canadian Journal of Remote Sensing, 35:(2):118-129. (Permanent link) (PDF)
    25. Raynolds, M.K., Walker, D.A., Verbyla, D., Huetmann, F. 2009. Modeling the distribution of circumpolar arctic vegetation. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, Maryland 31 March-2 April. (Poster)
    26. Walker, D.A. 2009. Arctic land is greening, says scientist. (mp3) mp3
    27. Walker, D.A. 2009. The integrated mapping approach used in mapping the Arctic tundra biome. Presented at North American CBVM Workshop. Great Lakes Forestry Centre, Sault Ste Marie, Ontario, Canada December 1-2. (Oral Presentation)
    28. Walker, D.A., Bhatt, U.S., Epstein, H.E., Raynolds, M.K., Frost, G.V., Liebman, M.O., Khumotov, A.V., Jia, G.J., Forbes, B.C., Comiso, J.C., Pinzon, J.E., Tucker, C.J., Webber, P.J., Tweedie, C.E. 2009. Circumpolar Arctic greening: Relationships to summer sea-ice concentrations, land temperatures and disturbance regimes. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC43B-08. (Oral Presentation)
    29. Walker, D.A., Bhatt, U.S., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J. 2009. [The Arctic] Land: Vegetation [in "State of the Climate in 2008"]. Bulletin of the American Meteorological Society, 90(8):S104-S105. doi:10.1175/BAMS-90-8-StateoftheClimate (Website) (PDF)
    30. Walker, D.A., Bhatt, U.S., Raynolds, M.K., Comiso, J.C., Epstein, H.E., Jia, G.J., Pinzon, J.E., Tucker, C.J. 2009. Vegetation. In: J. Richter-Menge, M.O. Jeffries and J.E. Overland (eds.), Arctic Report Card 2008. NOAA Arctic Research Program. (Website) (PDF)
    31. Walker, D.A., Epstein, H.E., Leibman, M.E., Moskalenko, N.G., Kuss, J.P., Matyshak, G.V., Kaarlejärvi, E., Barbour, E.M. 2009. Data Report of the 2007 and 2008 Yamal Expeditions: Nadym, Laborovaya, Vaskiny Dachi, and Kharasavey. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 133 pp. (PDF)
    32. Walker, D.A., Hamilton, T.D., Ping, C.-L., Daanen, R.P., Streever, W.W. 2009. Dalton Highway Field Trip Guide for the Ninth International Conference on Permafrost. Division of Geological and Geophysical Surveys. Fairbanks, AK. 9. 117 . (Print copy) (PDF)
    33. Walker, D.A., Leibman, M.O., Epstein, H.E., Forbes, B.C., Bhatt, U.S., Raynolds, M.K., Comiso, J., Gubarkov, A.A., Khomutov, A.V., Jia, G.J., Kaarlejärvi, E., Kaplan, J.O., Kumpula, T., Kuss, H.P., Matyshak, G., Moskalenko, N.G., Orechov, P., Romanovsky, V.E., Ukraientseva, N.K., Yu, Q. 2009. Spatial and temporal patterns of greenness on the Yamal Peninsula, Russia: interactions of ecological and social factors affecting the Arctic normalized difference vegetation index. Environmental Research Letters, 4:16. doi:10.1088/1748-9326/4/4/045004 (PDF)
    34. Walker, D.A., Leibman, M.O., Epstein, H.E., Forbes, B.C., Bhatt, U.S., Raynolds, M.K., Comiso, J.C., Gubarkov, A.A., Khomutov, A.V., Jia, G.J., Kaarlejärvi, E., Kaplan, J.O., Kumpula, T., Kuss, P., Matyshak, G., Moskalenko, N.G., Orekhov, P., Ukraientseva, N.K., Yu, Q. 2009. Vegetation greenness on the Yamal Peninsula, Russia: Disturbance-climate-change interactions. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Poster)
    35. Walker, D.A., Orekhov, P., Frost, G.V., Matyshak, G., Epstein, H.E., Leibman, M.O., Khitun, O., Khomotov, A., Daanen, R., Gobroski, K., Maier, H.A. 2009. The 2009 Yamal Expedition to Ostrov Belyy and Kharp, Yamal Region, Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 63 pp. (PDF)
    36. Walker, D.A., Walker, M.D., Auerbach, N.A., Maier, H.A., Neufeld, G.P. 2009. Toolik Grid Plots: Baseline canopy height and species composition in 1990. Presented at Mapping and Monitoring of Nordic Vegetation and Landscapes. Hveragerdi, Iceland 16-18 September. (Poster)
    37. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Simulating soil organic nitrogen and grazing effects on arctic vegetation dynamics on the Yamal Peninsula, Russia. Environmental Research Letters, 4(4). doi:10.1088/1748-9326/4/4/045027 (PDF)
    38. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Simulating soil organic nitrogen and grazing effects on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD 31 March-2 April. (Poster)
    39. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Evaluating Environmental Controls on Arctic Tundra Vegetation Dynamics on Yamal Peninsula, Russia. Presented at EnviroDay. University of Virginia, VA January 12. (Poster)
    40. Yu, Q., Epstein, H.E., Walker, D.A. 2009. Simulating soil organic nitrogen and grazing effects on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia. AGU Fall Meeting. San Francisco, CA, December 14-18, 90:GC31A-0693. (Oral Presentation)

  1. 2008

    1. Anon. 2008. Agenda and Abstracts. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M., Comiso, J. 2008. Examining relationships between sea ice and Arctic vegetation on the Pan-Arctic, regional and site scales. European Geosciences Union General Assembly. Vienna, Austria, 13 -18 April, 10:EGU2008-A-11271. (Abstract) (Oral Presentation)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2008. Circumpolar and regional analysis of the relationship between sea-ice variability, summer land-surface temperatures, Arctic tundra greenness and large-scale climate drivers. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD 28 April - 2 May . (Poster)
    4. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2008. Pan-Arctic climate dynamics in relationship to sea ice, land-surface temperatures and NDVI: focus Yamal region & comparison with North America. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    5. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2008. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change Problems on the Yamal Peninsula, Russia: Circumpolar and regional analysis of the relationship between sea-ice variability, summer land-surface temperatures, Arctic t. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May 2. (NASA CCE website) (Poster)
    6. Borner, A.P., Kielland, K., Walker, M.D. 2008. Effects of simulated climate change on plant phenology and nitrogen mineralization in Alaskan arctic tundra. Arctic, Antarctic, and Alpine Research, 40:27-38. (PDF)
    7. Comiso, J.C. 2008. Decadal Changes in the Arctic Sea Ice Cover and Surface Temperature with especial focus on Yamal, Alaska and the Canadian Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    8. Comiso, J.C., Nishio, F. 2008. Trends in the sea ice cover using enhanced and compatible AMSR-E,SSM/I, and SMMR data. Journal of Geophysical Research, 113:C02S07. doi:10.1029/2007JC004257 (PDF)
    9. Comiso, J.C., Parkinson, C.L., Gersten, R., Stock, L. 2008. Accelerated decline in the Arctic sea ice cover. Geophysical Research Letters, 35:L01703. doi:10.1029/2007GL031972 (Abstract) (PDF)
    10. Committee, F.G.D. 2008. US National Vegetation Classification Standards. (USGS Vegetation Characterization Program) (PDF)
    11. Cook, B., Bonan, G., Levis, S., Epstein, H. 2008. Rapid vegetation responses and feedbacks amplify climate model response to snow cover changes. Climate Dynamics, 30(4):391-406. doi:10.1007/s00382-007-0296-z (PDF)
    12. Cook, B.I., Bonan, G.B., Levis, S., Epstein, H.E. 2008. The thermoinsulation effect of snow cover within a climate model. Climate Dynamics, 31(1):107-124. doi:10.1007/s00382-007-0341-y (PDF)
    13. Daanen, R., Romanovsky, V., Walker, D., LaDouceur, M. 2008. High resolution, surface and subsurface survey of a non-sorted circle system. Ninth International Conference on Permafrost. Fairbanks, AK, June 29 - July 3, 1:321-326. (Session 1P-9-62) (Poster)
    14. Daanen, R.P., Misra, D., Epstein, H., Walker, D., Romanovsky, V. 2008. Simulating nonsorted circle development in arctic tundra ecosystems. Journal of Geophysical Research - Biogeosciences, 113:1-10. doi:10.1029/2008JG000682 (PDF)
    15. Drozdov, D.S. 2008. Mapping and remote sensing of natural and technogenic geosystems in West Siberia. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    16. Epstein, H., Bhatt, U., Steele, M., Walker, D.A. 2008. Collaborative Research: Seasonality of Circumpolar Tundra: Ocean and atmosphere controls and effects on energy and carbon budgets. Proposal to the National Science Foundation. (PDF)
    17. Epstein, H.E. 2008. Field and Modeling Analyses of Tundra Vegetation Communities Along Latitudinal Temperature Gradients. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    18. Epstein, H.E., Walker, D.A., Kuss, P., Karlejaärvi, E. 2008. (1)LAI, NDVI, and vegetation biomass for Low Arctic sites in the Yamal region of Russia (2)An overview of modeling vegetation and ecosytem dynamics in arctic tundra. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia 28-30 January. (Oral Presentation)
    19. Epstein, H.E., Walker, D.A., Kuss, P., Karlejaärvi, E., Matyshak, G. 2008. Ecosystem Properties along a Latitudinal Gradient of the Yamal Region, Russia. European Geosciences Union General Assembly. Vienna, Austria, 13 - 18 April, 10:EGU2008-A-04406. (Abstract) (Poster)
    20. Epstein, H.E., Walker, D.A., Kuss, P., Karlejaärvi, E., Matyshak, G.V. 2008. Ecosystem Properties along a Latitudinal Gradient of the Yamal Region, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop, Adelphi, MD, April 28-May2, 2008. (Abstract) (Poster)
    21. Epstein, H.E., Walker, D.A., Raynolds, M.K., Jia, G.J., Kelley, A.M. 2008. Phytomass patterns across a temperature gradient of the North American arctic tundra. Journal of Geophysical Research - Biogeosciences, 113:1-11. (Permanent link) (PDF)
    22. Federal Geographic Data Committee, F.G.D.C. 2008. National Vegetation Classification Standard, Version 2. U.S. Geological Survey. Reston, VA. 126. (Permanent link) (PDF)
    23. Forbes, B.C., Stammler, F., Pajunen, A., Karlejaärvi, E. 2008. Cumulative Effects of Industrial Development, Reindeer Herding, and Climate Change on the Yamal Peninsula, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May2. (Poster)
    24. Forbes, B.C., colleagues, w.m.d. 2008. Effects of petroleum development on reindeer herding in Northwest Siberia: Combining scientific and traditional knowledge. Presented at Yamal Land Cover and Land Use Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    25. Gubarkov, A.A. 2008. Overview of gas and oil development on the Yamal Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia 28-30 January. (Oral Presentation)
    26. Jia, G.J., Epstein, H.E., Walker, D.A., Wang, H. 2008. Decadal changes of phenological patterns over arctic tundra biome. AGU Fall Meeting. San Francisco, CA, Dec. 15-19, 89:C21C-0559. (Poster)
    27. Jia, G.J., Wang, H., Epstein, H.E., Walker, D.A. 2008. Greening of Arctic: Knowledge and Uncertainties. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    28. Kade, A., Walker, D.A. 2008. Experimental alteration of vegetation on nonsorted circles: effects on cryogenic activity and implications for climate change in the Arctic. Arctic, Antarctic, and Alpine Research, 40(1):96-103. doi:10.1657/1523-0430(06-029)[KADE]2.0.CO;2 (Abstract) (PDF)
    29. Kaplan, J.O., Lischke, H., Melton, J.R. 2008. Dynamic Modeling of Global Arctic and Subarctic Vegetation. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    30. Khomutov, A.V., Leibman, M.O. 2008. Landscape structure in natural and disturbed conditions of Yamal Peninsula, field results and local GIS. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    31. Kumpula, T. 2008. Remote sensing of land-use/land-cover change in the Bovanenkovo gas field on the Yamal Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia 28-30 January. (Oral Presentation)
    32. Kumpula, T., Forbes, B.C., Stammler, F. 2008. Landscape Change in the Russian Arctic: Ecological Implications of the Petroleum Industry to the Nenets Reindeer Herding in Yamal Peninsula. Presented at 20th Annual Meeting and Arctic Forum. Washington, D.C. 13 - 15 May 2008. (Poster)
    33. Kuss, P., Karlejaärvi, E., Moskalenko, N., Epsein, H., Walker, D. 2008. Plant communities at Nadym, Laborovaya, and Vaskiny Dachi. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia 28-30 January. (Oral Presentation)
    34. Leibman, M.O. 2008. Welcome. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30, 2008. (Oral Presentation)
    35. Leibman, M.O., Epstein, H.E., Khomutov, A.V., Moskalenko, N.G., Walker, D.A. 2008. Relation of active layer depth to vegetation on the central Yamal Peninsula, Russia. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, Extended Abstracts 2:177-178. (Session 2P-4-43) (Poster)
    36. Leibman, M.O., Malkova , G., Khomutov, A., Gubarkov , A. 2008. Overview of Yamal Peninsula with focus on Laborovaya and Vaskiny Dachi: Climate, zonation, physiography, geology, permafrost. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    37. Matyshak, G.V. 2008. Soils at Nadym and Yamal area. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28. (Oral Presentation)
    38. Melnikov, V.P., Drozdov, D.S., Malkova, G.V. 2008. Permafrost: contemporary state, stability and dynamics. Technogenic influence. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    39. Michaelson, G.J., Ping, C.L., Epstein, H., Kimble, J.M., Walker, D.A. 2008. Soils and frost boil ecosystems across the North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:G03S11, 10.1029/2007JG000672. doi:10.1029/2007JG000672 (Abstract) (PDF)
    40. Moskalenko, N.G. 2008. Overview of vegetation dynamics, disturbance and recovery studies in Nadym and Yamal areas. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    41. Munger, C.A., Walker, D.A., Maier, H.A., Hamilton, T.D. 2008. Spatial analysis of glacial geology, surficial geomorphology, and vegetation in the Toolik Lake region: Relevance to past and future land-cover changes. Presented at Ninth International Conference on Permafrost. Fairbanks, AK June 29 - July 3, 2:1255-1260. (Oral Presentation)
    42. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2008. Modeling biogeophysical interactions in nonsorted circles in the Low Arctic. Journal of Geophysical Research - Biogeosciences, 113:1-17. doi:10.1029/2007JG000565 (Abstract) (PDF)
    43. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2008. Modeling observed differential frost heave within non-sorted circles in Alaska. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, 2:1281-1286. (Session 3P-6-54) (Poster)
    44. Orekhov, P.T. 2008. Lake ecosystems in different landscapes in the Nadym region. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    45. Peterson, R.A. 2008. Numerical modeling of differential frost heave. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, 2:1399-1404. (Oral Presentation)
    46. Peterson, R.A., Krantz, W.B.a. 2008. Differential frost heave model for patterned ground formation: Corroboration with observations along a North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:G03S04, 1-17. doi:10.1029/2007JG000559 (Abstract) (PDF)
    47. Ping, C.-L., Michaelson, G.J., Jorgenson, M.T., Kimble, J.M., Epstein, H., Romanovsky, V.E., Walker, D.A. 2008. High stocks of soil organic carbon in North American Arctic region. Nature Geoscience, 1:615-619. doi:10.1038/ngeo284 (Abstract) (PDF)
    48. Ping, C.-L., Michaelson, G.J., Kimble, J.M., Romanovsky, V.E., Shur, Y.L., Swanson, D.K., Walker, D.A. 2008. Cryogenesis and soil formation along a bioclimate gradient in Arctic North America. Journal of Geophysical Research - Biogeosciences, 113:G03S12. doi:10.1029/2008JG000744 (PDF)
    49. Ponomareva, O.E. 2008. Overview of Nadym Region: Climate, Zonation, Physiography, Geology, Permafrost. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    50. Raynolds, M.K., Comiso, J.C., Walker, D.A., Verbyla, D. 2008. Relationship between satellite-derived land surface temperatures, arctic vegetation types, and NDVI. Remote Sensing of Environment, 112(4):1884-1894. doi:10.1016/j.rse.2007.09.008 (PDF)
    51. Raynolds, M.K., D.A. Walker, and J.C. Comiso 2008. Spatial patterns of land surface temperature and NDVI and their relation to vegetation distribution on the Yamal Peninsula. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28-30. (Oral Presentation)
    52. Raynolds, M.K., Walker, D.A. 2008. Circumpolar relationships between permafrost characteristics, NDVI, and arctic vegetation types. Ninth International Conference on Permafrost. Fairbanks, AK, June 29-July 3, 2:1469-1474. (Oral Presentation)
    53. Raynolds, M.K., Walker, D.A., Comiso, J.C. 2008. Spatial Patterns of Land Surface Temperature and NDVI on the Yamal Peninsula, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May 2. (Poster)
    54. Raynolds, M.K., Walker, D.A., Comiso, J.C. 2008. Circumpolar AVHRR Surface Temperature and its Relationship to Bioclimate Zones and NDVI. Presented at Komarov Botanical Institute. St. Petersburg, Russia February 5. (Oral Presentation)
    55. Raynolds, M.K., Walker, D.A., Munger, C.A., Vonlanthen, C.M., Kade, A.N. 2008. A map analysis of patterned-ground along a North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:1-18. doi:10.1029/2007JG000512 (Abstract) (PDF)
    56. Romanovsky, V., Kholodov, A., Marchenko, S. 2008. Pan-Arctic permafrost thermal conditions: Where does the Yamal Peninsula fit?. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    57. Romanovsky, V.E., Marchenko, S.S., Daanen, R., Sergeev, D.O., Walker, D.A. 2008. Soil climate and frost heave along the permafrost/ecological North American Arctic transect. Ninth International Conference on Permafrost. Fairbanks, AK, June 28-July3, 2:1519-1524. (Oral Presentation)
    58. Stammler, F. 2008. A century of nomadic land use. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    59. Vonlanthen, C.M., Walker, D.A., Raynolds, M.K., Kade, A., Kuss, H.P., Daniëls, F.J.A., Matveyeva, N.V. 2008. Patterned-ground plant communities along a bioclimate gradient in the High Arctic, Canada. Phytocoenologia, 38:23-63. doi:10.1127/0340-269X/2008/0038-0023 (Abstract) (PDF)
    60. Walker, D.A. 2008. Arctic sea ice, Arctic vegetation change and lessons from 2007. Presented at Arctic Observation Integration Workshop. Palisades, NY March 17-20. (Oral Presentation)
    61. Walker, D.A. 2008. Remote very High Arctic Terrestrial Observatory Stations: A reconnaissance expedition to Isachsen, Mould Bay, and Green Cabin. Proposal to National Science Foundation, ARC-AON. (PDF)
    62. Walker, D.A. 2008. North American Arctic Transect. Presented at 20th Annual Meeting and Arctic Forum. Washington, D.C. May 13-15 . (Poster)
    63. Walker, D.A. 2008. Overview of the Yamal LCLUC Project and Objectives of the Meeting. Presented at Yamal Land-Cover Land-Use Change Workshop. Moscow, Russia January 28-30. (Oral Presentation)
    64. Walker, D.A. 2008. Greening of the Arctic: An IPY Initiative. Does the loss of sea ice affect the tundra and those who depend on it?. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK November 21. (Oral Presentation)
    65. Walker, D.A. 2008. Biocomplexity of Arctic Patterned Ground: A tale of cracking, heaving, and smothering!. Presented at Dynamics of Complex Systems: Common Threads Workshop. Fairbanks, AK 6 August. (Oral Presentation)
    66. Walker, D.A. 2008. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD April 28 - May 2. (Oral Presentation)
    67. Walker, D.A. 2008. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change problems on the Yamal Peninsula, Russia. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 20 pp. (PDF)
    68. Walker, D.A. 2008. Monitoring spatial and temporal changes in Arctic vegetation. Presented at CBMP Partnership Workshop. Washington, D.C. March 6-7. (Oral Presentation)
    69. Walker, D.A. 2008. Biocomplexity associated with biogeochemical cycles in arctic frost-boil ecosystems. AGC Final Report. University of Alaska Fairbanks, Fairbanks, AK, 77 pp. (PDF)
    70. Walker, D.A. and Epstein, H.E. 2008. Collaborative Research: Greening of the Arctic - Synthesis and models to examine pan-Arctic vegetation change: climate, sea-ice, and terrain linkages. AGC Annual Report . University of Alaska Fairbanks, Fairbanks, AK, 16 pp. (PDF)
    71. Walker, D.A., Barbour, E.M., Maier, H.A. 2008. A Web-based Arctic Geobotanical Atlas and a New Hierarchy of Maps of the Toolik Lake Region, Alaska. Ninth International Conference on Permafrost. Fairbanks, AK, June 29 - July 3, 2:1893-1898. (Oral Presentation)
    72. Walker, D.A., Bhatt, U., Romanovsky, V., Kofinas, G. 2008. Adaptation to rapid land-use and climate changes on the Yamal Peninsula, Russia: Remote sensing and models for analyzing cumulative effects. Proposal to the National Aeronautics and Space Administration. (PDF)
    73. Walker, D.A., Bhatt, U.S., Epstein, H.E. 2008. Greening of the Arctic: an IPY Initiative. AGU Fall Meeting. San Francisco, CA, December 12-15, 89:1. (U23F-05 INVITED) (Oral Presentation)
    74. Walker, D.A., Bhatt, U.S., Romanovsky, V.E., Kofinas, G.P., Raynolds, M.K., Epstein, H.E., Yu, Q., Forbes, B.C., Stammler, F., Karlejaärvi, E., Leibman, M., Moskalenko, N., Gubarkov, A., Khomutov, A., Kumpula, T., Comiso, J.C., Kuss, J.P., Jia, G.J., Kaplan, J.O., Matyshak, G. 2008. Cumulative effects of resource development, reindeer herding, and climate change on the Yamal Peninsula. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, MD 28 April - 2 May. (Oral Presentation)
    75. Walker, D.A., Bhatt, U.S., Romanovsky, V.E., Kofinas, G.P., Raynolds, M.K., Epstein, H.E., Yu, Q., Forbes, B.C., Stammler, F., Karlejäarvi, E., Leibman, M., Moskalenko, N., Gubarkov, A., Khomutov, A., Kumpula, T., Comiso, J.C., Kuss, J.P., Jia, G.J., Kaplan, J.O., Matyshak, G. 2008. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia. European Geosciences Union General Assembly. Vienna, Austria, April 13-18, 10:EGU2008-A-05697. (EGU2008-A-05697) (Oral Presentation)
    76. Walker, D.A., Epstein, H.E., Karlejaärvi, E., Kuss, J.P., Leibman, M.O., Matyshak, G.V., Moskalenko, N.G., Romanovsky, V.E. 2008. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia: 2007 field studies along the bioclimate gradient. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop, Adelphi, MD, April 28-May 2, 2008. (Poster)
    77. Walker, D.A., Epstein, H.E., Karlejaärvi, E., Kuss, P., Leibman, M.O., Moskalenko, N.G., Matyshak, G.V. 2008. 2007 Expedition to Yamal Peninsula Region, Russia. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28-30. (Oral Presentation)
    78. Walker, D.A., Epstein, H.E., Leibman, M.E., Moskalenko, N.G., Kuss, H.P., Matyshak, G.V., Kaarlejärvi, E., Forbes, B.C., Barbour, E.M. 2008. Data Report of the 2007 Yamal Expedition to Nadym, Laborovaya, and Vaskiny Dachi, Yamal Peninsula Region, Russia. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK. (PDF)
    79. Walker, D.A., Epstein, H.E., Romanovsky, V.E., Ping, C.L., Michaelson, G.J., Daanen, R.P., Shur, Y., Peterson, R.A., Krantz, W.B., Raynolds, M.K., Gould, W.A., Gonzalez, G., Nicolsky, D.J., Vonlanthen, C.M., Kade, A.N., Kuss, P., Kelley, A.M., Munger, C.A., Tarnocai, C.T., Matveyeva, N.V., Daniëls, F.J.A. 2008. Arctic patterned-ground ecosystems: A synthesis of field studies and models along a North American Arctic Transect. Journal of Geophysical Research - Biogeosciences, 113:G03S01. doi:10.1029/2007JG000504 (PDF)
    80. Walker, D.A., Epstein, H.E., Welker, J.M. 2008. Introduction to special section on Biocomplexity of Arctic Tundra Ecosystems. Journal of Geophysical Research - Biogeosciences, 113:G03S00. doi:10.1029/2008JG000740 (PDF)
    81. Walker, D.A., Forbes, B.C., Stammler, F., Kumpula, T., Gubarkov, A., Karlejäarvi, E., Bhat, t.U., Raynolds, M., Romanovsky, V., Kuss, P., Leibman, M., Moskalenko, N., Khomutov, A., Epstein, H., Yu, Q., Jia, J., Comiso, J., Kaplan, J. 2008. Cumulative impacts analysis on the Yamal Peninsula, Russia: A blueprint for a comparative study in Northern Alaska?. Presented at 20th Annual Meeting and Arctic Forum. Washington, D.C. 13-15 May . (Poster)
    82. Walker, D.A., Leibman, M.O., Forbes, B.C., Epstein, H.E. 2008. Cumulative effects of rapid climate and land-use changes on the Yamal Peninsula, Russia. AGU Fall Meeting. San Francisco, CA, December 15-19, 89:GC52A-07. (GC52A-07) (Oral Presentation)
    83. Walker, D.A., Maier, H.A. 2008. Vegetation in the Vicinity of the Toolik Lake Field Station, Alaska. Biological Papers of the University of Alaska, Institute of Arctic Biology, No. 28. (Map)
    84. Walker, D.A., Murray, M. 2008. Linked Response to Rapid Climate Change and Land-Use Change in the Arctic. Presented at Human Dimensions of the Arctic. San Francisco, CA December 18. (Oral Presentation)
    85. Walker, D.A., Raynolds, M.K., Gould, W.A. 2008. Fred Daniëls, Subzone A, and the North American Arctic Transect. Abhandlungen aus dem Westfälischen Museum für Naturkunde, 70:(3/4):387-400. (PDF)
    86. Yu, Q., Epstein , H. 2008. Modeling Arctic Tundra Vegetation Dynamics in North America and the Yamal Region of Russia. Presented at Yamal Land-Cover Land-Use Change Workshop Moscow, Russia January 28-30. (Oral Presentation)
    87. Yu, Q., Epstein, H.E. 2008. Evaluating arctic tundra system resilience to grazing disturbances: a modeling approach. Presented at NASA Carbon Cycle and Ecosystems Joint Science Workshop. Adelphi, Maryland April 28-May 2. (Poster)
    88. Yu, Q., Epstein, H.E. 2008. Evaluating Arctic tundra system resilience to grazing disturbances: A modeling approach. European Geosciences Union General Assembly 2008. Vienna, Austria, 13 - 18 April, 10:EGU2008-A-12154. (EGU2008-A-12154) (Poster)

  1. 2007

    1. Alcaraz, D., Chuvieco, E., Epstein, H. 2007. Temporal trends in post-fire regeneration patterns of boreal forests using 1km AVHRR NDVI. Presented at AGU Fall Meeting, San Francisco, CA, December 10-14, 2007. (B11D-0777) (Oral Presentation)
    2. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2007. Influence of Regional Sea Ice Variability on Arctic Tundra. Presented at Seventh International Conference on Global Change: Connection to the Arctic. Fairbanks, Alaska, February 19-20, 2007, 76-78. (Online Proceedings) (Poster)
    3. Bhatt, U.S., Walker, D.A., Raynolds, M.K., Comiso, J.C. 2007. The relationship between sea ice variability and arctic tundra on the pan-Arctic, regional, and site scales. Presented at AGU Fall Meeting, San Francisco, CA, December 10-14, 2007. (U42C-0612) (Poster)
    4. Cook, B.I., Bonan, G.B., Levis, S., Epstein, H.E. 2007. Dynamic vegetation amplifies climate model response to snow cover changes. Climate Dynamics .
    5. Daanen, R., Misra, D., Epstein, H.E. 2007. Active-layer hydrology in nonsorted circle ecosystems of the arctic tundra. Vadose Zone Journal, 6(4):694-704.
    6. Daanen, R.P., Misra, D., Epstein, H.E. 2007. Active-layer hydrology in non-sorted circle ecosystems of the Arctic tundra. Vadose Zone Journal, 6:694-704. (Permanent link) (PDF)
    7. Epstein, H.E., Yu, Q., Kaplan, J.O., Lischke, H. 2007. Simulating future changes in arctic and subarctic vegetation. Computing in Science and Engineering, 9(4):12-23. doi:10.1109/MCSE.2007.84 (PDF)
    8. Jia, G.J., Epstein, H.E., Walker, D.A. 2007. Trends of Vegetation Greenness in the Arctic from 1982-2005. Presented at AGU Fall Meeting, San Francisco, CA, December 10-14, 2007. (Abstract B21A-0041) (Poster)
    9. Kuss, K. and Walker, D.A. 2007. Project for interlinked Flora Arctica and Arctic Vegetation databases. Proceedings of the Fourth International Conservation of Arctic Flora and Fauna (CAFF) Flora Group Workshop, Tórshavn, Faroe Islands, May 15-18, 2007. Akureyri, Iceland, , 63-65. (Poster)
    10. Munger, C.A. 2007. Spatial and temporal patterns of vegetation, terrain, and greenness in the Toolik Lake and Upper Kuparuk River region. M.S. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 69 pp. (PDF)
    11. Ping, C.L., Kimble, J., Michaelson, G.J., Walker, D.A. 2007. Cryogenesis and Carbon Stores in Arctic Tundra Soils, Alaska. Presented at Arctic Science Conference. Anchorage, AK September 24-26. (Oral Presentation)
    12. Raynolds, M.K. 2007. The relationship between permafrost characteristics and the distribution of arctic vegetation types. Presented at Arctic Science Conference, Arctic AAAS Division Meeting, Anchorage, AK, September 24-26, 2007. (Poster)
    13. Raynolds, M.K. 2007. Arctic vegetation: its distribution and characteristics. Presented at GLOBE. Fairbanks, AK March 23.
    14. Raynolds, M.K. 2007. Searching for the effects of climate change on arctic vegetation. Presented at Science Cafe Fairbanks, AK May 29. (Oral Presentation)
    15. Sieg, B., Drees, B. 2007. Altitudinal Zonation of Vegetation in Continental West Greenland. Proceedings of the Fourth International Conservation of Arctic Flora and Fauna (CAFF) Flora Group Workshop, Tórshavn, Faroe Islands, May 15-18, 2007. Akureyri, Iceland, , 4-8. (Proceedings)
    16. Walker, D.A. 2007. The Circumpolar Arctic Vegetation Map and the Arctic Geobotanical Atlas. Presented at Fourth International CAFF Flora Group Workshop. Faroe Islands, Denmark May 15-17 . (Oral Presentation)
    17. Walker, D.A. 2007. A Circum-Boreal Vegetation Map Inititiative: The U.S. Perspective. Presented at Fourth International CAFF Flora Group Workshop. Faroe Islands, Denmark May 15-17. (Oral Presentation)
    18. Walker, D.A. 2007. Interactions of climate, sea-ice, land-temperatures carbon, and humans in the Arctic: an overview. Presented at Land Cover, Land Use Change Spring Science Team Meeting. Bethesda, MD April 4 - 6. (Oral Presentation)
    19. Walker, D.A. 2007. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change problems on the Yamal Peninsula, Russia. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 15 pp. (PDF)
    20. Walker, D.A. 2007. A Hierarchic Geobotanical Atlas. Presented at 41st Alaska Surveying and Mapping Conference. Fairbanks, AK 19-23 March. (Oral Presentation)
    21. Walker, D.A. 2007. Collaborative Research: Greening of the Arctic - Synthesis and Models to Examine the Effects of Climate, Sea-ice, and Terrain on Circumpolar Vegetation Change. AGC Annual Report. University of Alaska Fairbanks, Fairbanks, AK, 8 pp. (PDF)
    22. Walker, D.A. 2007. The Circumpolar Arctic Vegetation Map, the Alaska Arctic Tundra Vegetation Map, and the Arctic Geobotanical Atlas. Proceedings of the Fourth International CAFF Flora Group Workshop, 15:60-62. (CAFF Website) (PDF)
    23. Walker, D.A., Maier, H.A., Barbour, E.M., Balser, A.W., Grimes, J.P., Heinrichs, T.A., Nolan, M., Prokein, P., Pylant, C.L., Raynolds, M.K., Rogan, L.M., Sharpton, V.L., Stahlke, D.L., Vockeroth, S.G. 2007. Legacy IPY Hierarchic GIS Database for the Arctic Observatory at Toolik Lake. Presented at 41st Alaska Surveying and Mapping Conference. Westmark Hotel, Fairbanks, AK 19-23 March. (Poster)
    24. van Bogaert, R., Walker, D.A., Jia, G.J., Grau, O., Hallinger, M., De Dapper, M., Jonasson, C. and Callaghan, T.V. 2007. Recent changes in vegetation. In: J. Richter-Menge, M.O. Jeffries and J.E. Overland (eds.), Arctic Report Card 2007. NOAA Arctic Research Program. (Website) (PDF)

  1. 2006

    1. Barbour, E.M., Walker, D.A., Maier, H.A., Balser, A.W., Grimes, J.P., Heinrichs, T.A., Nolan, M., Prokein, P., Pylant, C.L., Raynolds, M.K., Rogan, L.M., Sharpton, V.L., Stahlke, D.L., Vockeroth, S.G. 2006. Arctic Geobotanical Atlas. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Poster)
    2. Barreda, J.E., Knudson, J.A., Walker, D.A., Raynolds, M.K., Kade, A.N., Munger, C.A. 2006. Biocomplexity of Patterned Ground Data Report, Dalton Highway, 2001-2005. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 252 pp. (PDF)
    3. Cook, B.I., Bonan, G.B., Levis, S., Epstein, H.E., Smith, T.M. 2006. Amplification of climate model response to snow cover fraction parameterization through dynamic vegetation. AGU Fall Meeting, San Francisco, CA, December 11-15, 87:C21C-1181. (C21C-1181) (Oral Presentation)
    4. Daanen, R.P., Misra, D., Epstein, H.E., Walker, D.A. 2006. Modeling hydrology-vegetation interactions in non-sorted-circle ecosystems. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C44A-07. (C44A-07)
    5. Daanen, R.P., Peterson, R., Misra, D., Nicolsky, D., Epstein, H.E., Walker, D.A. 2006. Modeling self organization of non-sorted circles. Presented at European Geosciences Union General Assembly. Vienna, Austria April 2-7. (Poster)
    6. Epstein, H.E. 2006. Greening of the Arctic: Assessing tundra dynamics with remote sensing and modeling. Presented at Earth System Science Partnership Open Science Conference. Beijing, China November 9-12. (Oral Presentation)
    7. Epstein, H.E., Kelley, A.M., Walker, D.A., Jia, G.J., Raynolds, M.K. 2006. Regional-scale vegetation dynamics in patterned-ground ecosystems of arctic tundra. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C51A-0396. (C51A-0396) (Oral Presentation)
    8. Epstein, H.E., Walker, D.A., Jia, G.J., Kelley, A.M., Raynolds, M.K. 2006. Climate, plant biomass, and NDVI relationships along the full arctic bioclimate gradient. Presented at Arctic Forum. Washington, DC May 12. (Poster)
    9. Forbes, B. 2006. Effects of petroleum development on reindeer herding in Northwest Siberia: Combining scientific and traditional knowledge. Presented at Earth System Science Partnership. Beijing, China November 9-12. (Oral Presentation)
    10. Gould, W.A., González, G., Walker, D.A. 2006. Integrating research and education in a study of biocomplexity in arctic tundra ecosystems: costs, results, and benefits to the research agenda. AGU Fall Meeting. San Francisco, CA, December 11-15, C44A-08. (C44A-08)
    11. Hollingsworth, T.N., Walker, M. D., Chapin III, F.S., Parsons, A.L. 2006. Scale-dependent environmental controls over species composition in Alaskan black spruce communities. Canadian Journal of Forest Research, 36(7):1781-1796. (PDF)
    12. Jia, G.J., Epstein, H.E., Walker, D.A. 2006. Spatial heterogeneity of tundra vegetation response to recent temperature changes. Global Change Biology, 12:42-55. doi:10.1111/j.1365-2486.2005.01079.x (PDF)
    13. Jia, G.J., Epstein, H.E., Walker, D.A. 2006. Decadal changes of vegetation greenness in the Canadian Arctic. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C51A-0383. (C51A-0383) (Oral Presentation)
    14. Kade, A. 2006. Biocomplexity of nonsorted circles in the Low Arctic, Alaska. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 245 pp.
    15. Kade, A., Romanovsky, V.E., Walker, D.A. 2006. The N-factor of nonsorted circles along a climate gradient in Arctic Alaska. Permafrost and Periglacial Processes, 17(4):279-289. doi:10.1002/ppp.563 (PDF)
    16. Kelley, A.M., Epstein, H.E., Walker, D.A., Ping, C. 2006. Soil nitrogen transformations associated with small patterned-ground features along the complete arctic bioclimatic gradient. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C51A-0395. (C51A-0395) (Oral Presentation)
    17. Kuss, P., Kade, A.N., Vonlanthen, C.M., Raynolds, M.K., Matveyeva, N.V., Daniels, F.J.A., Walker, D.A. 2006. Vegetation differentiation of arctic patterned-ground ecosystems. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C44A-05. (C44A-05)
    18. Maier, H.A., Walker, D.A., Barbour, E.M., Balser, A.W., Grimes, J.P., Heinrichs, T.A., Nolan, M., Prokein, P., Pylant, C.L., Raynolds, M.K., Rogan, L.M., Sharpton, V.L., Stahlke, D.L., Vockeroth, S.G. 2006. Arctic Geobotanical Atlas. Presented at 26th Annual ESRI International User Conference. San Diego, CA August 7-12. (Poster)
    19. Matveyeva, N.Y. 2006. Vegetation of the southern part of Bolshevik Island (Severnaya Zemlya Archipelago). Vegetation of Russia, 8:3-87.
    20. Michaelson, G.J., Ping, C.L., Epstein, H.E., Kimbel, J.M., Romanovsky, V.E., Tarnocai, C.T., Walker, D.A. 2006. Soil Properties and Patterned Ground Across the North American Arctic Transect. AGU Fall Meeting. San Francisco, CA, December 11-15, C51A-0397. (C51A-0397)
    21. Munger, C.A., Walker, D.A., Raynolds, M.K., Kade, A.N., Vonlanthen, C.M., Kuss, P., Daanen, R.P. 2006. The North American Arctic Transect: baseline vegetation and active layer maps for the IPY. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C51A-0382. (C51A-0382)
    22. Nickolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A., Daanen, R.P., Overduin, P.P. 2006. Modeling reaction of non-sorted circles to changes in climate and vegetation cover. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Poster)
    23. Raynolds, M.K., Comiso, J.C., Walker, D.A. 2006. Comparison of arctic tundra bioclimate subzones and AVHRR surface temperature, and relationship to NDVI. Presented at 9th Bi-Annual Circumpolar Remote Sensing Symposium. Seward, Alaska May 16-19. (Oral Presentation)
    24. Raynolds, M.K., Walker, D.A. 2006. Satellite land surface temperatures and tundra vegetation. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4.
    25. Raynolds, M.K., Walker, D.A., Kade, A.N., Vonlanthen, C.M., Vockeroth, S.G., Munger, C.A., Kuss, H.P. 2006. Aboveground Phytomass of Vegetation Communities Along an Arctic Climate Gradient. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:C51A-0385. (C51A-0385) (Proceedings)
    26. Raynolds, M.K., Walker, D.A., Maier, H.A. 2006. Alaska Arctic Tundra Vegetation Map. 1:4,000,000. U.S. Fish and Wildlife Service, Anchorage, AK. (Map)
    27. Raynolds, M.K., Walker, D.A., Maier, H.A. 2006. NDVI patterns and phytomass distribution in the circumpolar Arctic. Remote Sensing of Environment, 102:271-281. doi:10.1016/j.rse.2006.02.016 (PDF)
    28. Richter-Menge, J., Overland, J., Proshutinsky, A., Romanovsky, V., Bengtsson, L., Brigham, L., Dyurgerov, M., Gascard, J.C., Gerland, S., Graversen, R., Hass, C., Karcher, M., Kuhry, P., Maslanik, J., Melling, H., Maslowski, W., Morison, J., Perovich, D., Przybylak, R., Rachold, V., Rigor, I., Shiklomanov, A., Stroeve, J., Walker, D., Walsh, J. 2006. State of the Arctic Report. NOAA/OAR/PMEL. Seattle, WA. NOAA OAR Special Report(2952). 36 . (State of the Arctic) (PDF)
    29. Romanovsky, V., Marchenko, S., Brown, J. 2006. Thermal State of Permafrost (TSP): The US Contribution to the International Network of Permafrost Observatories. Presented at NEESPI Focus Center Workshop. Fairbanks, AK April 6-8. (Oral Presentation)
    30. Romanovsky, V., Marchenko, S., Duguay, C.R., Walsh, J. 2006. Permafrost dynamics within the Northern Eurasia region and related impacts on surface and sub-surface hydrology. Presented at NEESPI Focus Center Workshop. Fairbanks, AK April 6-8. (Oral Presentation)
    31. Romanovsky, V.E., Marchenko, S.S., Daanen, R., Nikolsky, D., Sergeev, D.O., Walker, D.A. 2006. Soil climate and frost heave along the permafrost/ecological North American Arctic Transect. AGU Fall Meeting. San Francisco, CA, December 11 - 15, C44A-06. (C44A-06) (Oral Presentation)
    32. Romanovsky, V.E., Marchenko, S.S., Grosse, G., Duguay, C.R., Zheleznyak, M.N., Sergeev, D.O. 2006. Monitoring and Modeling of the Northern Eurasia Permafrost Dynamics. AGU Fall Meeting. San Francisco, CA, December 11-15, 87:52. (GC21B-04 INVITED)
    33. Sieg, B., Drees, B., Daniëls, F.J.A. 2006. Vegetation and altitudinal zonation in continental West Greenland. Meddelelser om Grønland, Bioscience, 57:1-93. (PDF)
    34. Vonlanthen, C.M., Raynolds, M.K., Munger, C.A., Kade, A.N., Walker, D.A. 2006. Biocomplexity of Patterned Ground Isachsen Expedition, July 2005. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 86 pp. (PDF)
    35. Walker, D., Daanen, R., Epstein, H.E., Gould, W., Gonzalez, G., Kade, A., Kelley, A., Krantz, W., Kuss, J.P., Michaelson, G., Munger, C., Nickolsky, D., Peterson, R., Ping, C., Raynolds, M.K., Romanovsky, V., Tarnocai, C., Vonlanthen, C. 2006. Biocomplexity of Arctic Patterned Ground: A tale of cracking, heaving, and smothering. AGU Fall Meeting. San Francisco, CA, December 14, 87:C44A-04. (C44A-04) (Oral Presentation)
    36. Walker, D.A. 2006. IPY: Greening of the Arctic (GOA): North American Arctic Transect (NAAT). Proposal to National Science Foundation, IPY (declined). (PDF)
    37. Walker, D.A. 2006. Application of space-based technologies and models to address landcover/land-use change problems on the Yamal Peninsula, Russia. Presented at NEESPI-CLAC meeting. Fairbanks, AK April 6-8. (Oral Presentation)
    38. Walker, D.A. 2006. Greening of the Arctic: an IPY initiative. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Oral Presentation)
    39. Walker, D.A. 2006. Complexity in natural biological ecosystems: Interactions of physical and biological processes in the formation of small patterned-ground features across the Arctic climate gradient. Presented at Dynamics of Complex Systems: Common Threads Workshop. Fairbanks, AK July 5-7. (Oral Presentation)
    40. Walker, D.A., Bhatt, U.S., Comiso, J.C., Epstein, H.E., Forbes, B.C., Jia, J., Kaplan, J.O., Kofinas, G.P., Leibman, M.O., Maier, H.A., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E. 2006. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change Problems on the Yamal Peninsula, Russia. Proposal to the National Aeronautics and Space Administration. (PDF)
    41. Walker, D.A., Bhatt, U.S., Comiso, J.C., Epstein, H.E., Forbes, B.C., Jia, J., Kaplan, J.O., Kofinas, G.P., Leibman, M.O., Maier, H.A., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E. 2006. Application of Space-based Technologies and Models to Address Land-cover/Land-use Change Problems on the Yamal Peninsula, Russia. Presented at Land Cover, Land Use Change Meeting. College Park, MD October 10-12. (Poster)
    42. Walker, D.A., Daanen, R., Kade, A.N., Michaelson, G.J., Nicolsky, D.J., Peterson, R., Ping, C.L., Munger, C.A., Raynolds, M.K., Romanovsky, V.E., Vonlanthen, C.M., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B., Tarnocai, C.T. 2006. Interactions of physical and biological processes in the formation of small patterned-ground features across the arctic climate gradient. Presented at Arctic Science Conference, Arctic AAAS Division Meeting. Fairbanks, AK October 2-4. (Oral Presentation)
    43. Walker, D.A., Epstein, H.E., Jia, G.J., Bhatt, U.S., Romanovsky, V.E., Comiso, J.C., Kaplan, J.O., Markon, C.J., Leibman, M.E., Moskalenko, N.G., Forbes, B.C., Kofinas, G.P., Tarnocai, C., Ping, C.L., Michaelson, G., Gould, W.A., Maier, H.A., Barbour, E.M., Raynolds, M.K., Munger, C.A., Nolan, M., Prokein, P., Heinrichs, T.A., Grimes, J.P., Sharpton, V.L., Balser, A.W., Kuss, H.P. 2006. Greening of the Arctic: An IPY Initiative. Presented at Arctic Forum. Washington, D.C. 25-26 May. (Poster)
    44. Walker, D.A., Hamilton, T.D., Walker, M.D., Balser, A.W., Maier, H.A., Munger, C.A. and Auerbach, N.A. 2006. Vegetation of the Toolik Lake region in relationship to glacial geology. In: Toolik Lake LTER.
    45. Warkentin, B.P. 2006. Footprints in the Soil. Elsevier. Amsterdam. 548 .
    46. Zhurbenko, M.P., Matveeva, N.V., Vonlanthen, C., Walker, D.A., Raynolds, M.K. 2006. Lichens from Ellef Ringnes Island, Canadian Arctic Archipelago. Evansia, 23:(3):69-78. (PDF)

  1. 2005

    1. Afonina, O.M., Raynolds, M.K., Walker, D.A. 2005. On the moss flora of Mould Bay (Prince Patrick Island, Canadian Arctic Archipelago). Arctoa, 14:135-142. (PDF)
    2. Callaghan, T.V., Bjorn, L.O., Chapin III, F.S., Chernov, Y., Christensen, T.R., Huntley, B., Ims, R., Johanson, M., Riedlinger, D.J., Jonasson, S., Matveyeva, N., Oechel, W., Panikov, N., Shaver, G. 2005. Arctic tundra and polar desert ecosystems. In: C. Symon, L. Arris, B. Heal (eds.) Arctic Climate Impact Assessment - Scientific Report. Cambridge University Press. Cambridge. pp. 243-352. (Website) (PDF)
    3. Chapin, F.S.I., Sturm, M., Serreze, M.C., McFadden, J.P., Key, J.R., Lloyd, A.H., McGuire, A.D., Rupp, T.S., Lynch, A.H., Schimel, J.P., Beringer, J., Chapman, W.L., Epstein, H.E., Euskirchen, E.S., Hinzman, L.D., Jia, G., Ping, C.-L., Tape, K.D., Thompson, C.D.C., Walker, D.A., Welker, J.M. 2005. Role of land-surface changes in Arctic summer warming. Science, 310:(5748):657-660. (Permanent link) (PDF)
    4. Daanen, R., Misra, D., Epstein, H.E. 2005. Modeling the Hydrology and the Effect of Climate Warming on the Non-Sorted Circle Ecosystem in the Arctic Tundra. AGU Fall Meeting, San Francisco, CA, December 5-9. (H53C-0477) (Poster)
    5. Epstein, H.E., D.A. Walker, G.J. Jia, Kelley, A.M. 2005. Climate, plant biomass, NDVI, and LAI relationships along the full arctic bioclimate gradient. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:B33E-1092. (B33E-1092) (Oral Presentation)
    6. Hinzman, L.D., Bettez, N.D., Bolton, W.R., Chapin, F.S., III, Dyurgerov, M.B., Fastie, C.L., Griffith, B., Hollister, R.D., Hope, A., Huntington, H.P., Jensen, A., Jia, G.J., Jorgenson, T., Kane, D.L., Klein, D.R., Kofinas, G., Lynch, A.H., Lloyd, A.H., McGuire, A.D., Nelson, F., Oechel, W.C., Osterkamp, T.E., Racine, H.C., Romanovsky, V.E., Stone, R., Stow, D.A., Sturm, M., Tweedie, C.E., Vourlitis, G.L., Walker, M.D., Walker, D.A., Webber, P.J., Welker, J.M., Winker, K.S., Yoshikawa, K. 2005. Evidence and implications of recent climate change in northern Alaska and other Arctic regions. Climatic Change, 72:251-298. doi:10.1007/s10584-005-5352-2 (Abstract) (PDF)
    7. Jia, G.J., Epstein, H.E., Walker, D.A. 2005. Uneven response of arctic tundra to recent environmental changes. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:B33E-1091. (B33E-1091) (Oral Presentation)
    8. Kade, A., D.A. Walker, Romanovsky, V.E. 2005. The N-factor along a climate gradient in patterned-ground ecosystems. Presented at 2nd European Conference on Permafrost. Potsdam, Germany June 12 - 16. (Oral Presentation)
    9. Kade, A., Walker, D.A., Raynolds, M.K. 2005. Plant communities and soils in cryoturbated tundra along a bioclimate gradient in the Low Arctic, Alaska. Phytocoenologia, 35:761-820. (Abstract) (PDF)
    10. Kade, A., Walker, D.A., Romanovsky, V.E. 2005. The effect of vegetation, soil organic layer and snow on the modified N-factor in patterned-ground ecosystems. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C21C-1135. (C21C-1135) (Oral Presentation)
    11. Kelley, A.M., Epstein, H.E., Walker, D.A. 2005. Soil nitrogen cycling associated with small patterned ground features along a high-latitude temperature gradient in northern Alaska. AGU Fall Meeting, San Francisco, CA, December 5-9, B51A-0193. (B51A-0193) (Oral Presentation)
    12. Misra, D., Daanen, R. 2005. Visualizing Frost Boils. Challenges - in science and engineering, 13:(1):18-19, 23. (PDF)
    13. Munger, C.A., Raynolds, M.K., Kade, A.N., Walker, D.A. 2005. Biocomplexity of Patterned Ground: Mould Bay Expedition. AGC Data Report, 62 pp. (PDF)
    14. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2005. Modeling non-sorted circles along low Arctic climate gradient, Dalton Highway, Alaska. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C31A-1107. (C31A-07) (Poster)
    15. Ping, C.-L., G.J. Michaelson, Y. Shur, C. Tarnocai, Walker, D.A. 2005. Nonsorted circles and soil formation in Arctic Canada. Presented at 2nd European Conference on Permafrost. Potsdam, Germany 12-16 June.
    16. Ping, C.-L., Kimble, J.M., Michaelson, G.J., Tarnocai, C., Walker, D.A. 2005. Carbon stores and their distribution in different arctic ecosystems. Presented at 1st Climate and Cryosphere International Science Conference. Beijing, China April 11 - 15. (Oral Presentation)
    17. Ping, C.-L., Michaelson, G.J., Kimble, J.M., Walker, D.A. 2005. Soil acidity and exchange properties of cryogenic soils in Arctic Alaska. Journal of Soil Science and Plant Nutrition, 51(5):649-653. doi:10.1111/j.1747-0765.2005.tb00083.x (Abstract) (PDF)
    18. Ping, C.-L., Michaelson, G.J., Tarnocai, C., Walker, D.A. 2005. Cryogenic features of tundra soils along a bioclimate gradient in arctic Alaska and Canada. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C24A-05. (C24A-05) (Oral Presentation)
    19. Raynolds, M.K. 2005. Addendum to the 2003 Green Cabin, Banks Island Data Report. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 39 pp. (PDF)
    20. Raynolds, M.K., Walker, D.A., Kade, A.N., Munger, C.A. 2005. Small-scale patterned ground in the Arctic: Maps of vegetation and thaw depth on a north-south transect. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C24A. (C24A-06) (Oral Presentation)
    21. Raynolds, M.K., Walker, D.A., Maier, H.A. 2005. Plant community-level mapping of arctic Alaska based on the Circumpolar Arctic Vegetation Map. Phytocoenologia, 35:821-848. doi:10.1127/0340-269X/2005/0035-0821 (Abstract) (PDF)
    22. Riedel, S.M., Epstein, H.E., Walker, D.A. 2005. Biotic controls over spectral reflectance of arctic tundra vegetation. International Journal of Remote Sensing, 26(11):2391-2405. doi:10.1080/01431160512331337754 (PDF)
    23. Riedel, S.M., Epstein, H.E., Walker, D.A., Richardson, D.L., Calef, M.P., Edwards, E., Moody, A. 2005. Spatial and temporal heterogeneity of vegetation properties among four tundra plant communities at Ivotuk, Alaska, USA. Arctic, Antarctic, and Alpine Research, 37(1):25-33. doi:10.1657/1523-0430(2005)037[0025:SATHOV]2.0.CO;2 (PDF)
    24. Sappington, N. 2005. ESRI Map Book, Volume 20. ESRI Press. Redlands, CA. 20 (20). 120 . (ESRI Map Book, Volume 20: Circumpolar Arctic Vegetation) (PDF)
    25. Shur, Y., Ping, C.L., Walker, D.A. 2005. Comprehensive model of frost boils and earth hummocks formation. Presented at 2nd European Conference on Permafrost. Potsdam, Germany 12-16 June. (Oral Presentation)
    26. Talbot, S.S., Talbot, S.L., Daniëls, F.J.A. 2005. Comparative phytosociological investigation of subalpine alder thickets in southwestern Alaska and the North Pacific. Phytocoenologia, 35:727-759. doi:10.1127/0340-269X/2005/0035-0727 (Purchase PDF)
    27. Tarnocai, C., Walker, D. 2005. Turf hummocks along a climatic gradient in Arctic Canada: characteristics and development. Presented at 2nd European Conference on Permafrost. Potsdam, Germany June 12-16.
    28. USDA, N. 2005. PLANTS database: plant list of attributes, names, taxonomy, and symbols. (Website)
    29. Walker, D.A. 2005. Greening of the Arctic: Synthesis and models to examine pan-Arctic vegetation change: climate, sea-ice, and terrain linkages. Proposal to the National Science Foundation. (PDF)
    30. Walker, D.A. 2005. Biocomplexity of frost-heave features. Presented at University of Alaska Anchorage Complex Systems Group. Anchorage, Alaska March 21. (Oral Presentation)
    31. Walker, D.A. 2005. Application of space-based technologies and models to address land-cover/land-use change problems on the Yamal Peninsula, Russia. Presented at NEESPI Briefing for IGBP Leadership. San Francisco, CA December 4. (Oral Presentation)
    32. Walker, D.A. 2005. Recent changes to arctic tundra vegetation. Presented at NOAA State of the Arctic Workshop. Woods Hole, MA October 24-26. (Oral Presentation)
    33. Walker, D.A. 2005. Polygenetic origin of small patterned-ground features. Presented at Biocomplexity of Frost Boils Modeling Workshop. Fairbanks, AK March 14-16. (Oral Presentation)
    34. Walker, D.A. 2005. Biocomplexity of small patterned-ground features: A North American Arctic Transect. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK October 28. (Oral Presentation)
    35. Walker, D.A. 2005. Towards an Arctic Geographic Information System: A web-based plant-to-planet-scale geobotanical atlas centered on the Toolik Lake Field Station. (PDF)
    36. Walker, D.A. 2005. Biocomplexity of Small Patterned-Ground Ecosystems in the Arctic. AGC Data Report. , 26. (PDF)
    37. Walker, D.A., Daanen, R.P., Epstein, H.E., Gonzalez, G., Gould, W.A., Kade, A.N., Kelley, A.M., Krantz, W.B., Michaelson, G.J., Munger, C.A., Nickolsky, D.J., Peterson, R.A., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Shur, Y.L., Tarnocai, C.T., Tipenko, G.S., Timling, I., Vonlanthen, C.M. 2005. The North American Arctic Transect: Patterned ground ecosystems across the full arctic bioclimate gradient. AGU Fall Meeting, San Francisco, CA, December 5-9, 86:C24A-03. (C24A-03) (Oral Presentation)
    38. Walker, D.A., Elvebakk, A., Talbot, S.S., Daniels, F.J.A. 2005. The Second International Workshop on Circumpolar Vegetation Classification and Mapping: a tribute to Boris A. Yurtsev. Phytocoenologia, 35:715-725. doi:10.1127/0340-269X/2005/0035-0715 (Abstract) (PDF)
    39. Walker, D.A., Epstein, H.E., Jia, G.J., Bhatt, U.S., Romanovsky, V., Comiso, J., Kaplan, J., Markon, C.J., Leibman, M.E., Moskalenko, N.G., Forbes, B., Kofinas, G.P., Tarnocai, C.T., Ping, C.L., Maier, H.A., Nolan, M., Prokein, P., Heinrichs, T.A., Grimes, J.P., Raynolds, M.K., Munger, C.A., Sharpton, V.L., Balser, A.W. 2005. Greening of the Arctic: an IPY initiative. Presented at ICARP II. Copenhagen, Denmark November 10-12. (Poster)
    40. Walker, D.A., Kade, A.N., Michaelson, G.J., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B. 2005. Biocomplexity of small periglacial patterned-ground forms: Polygenetic formation of surface forms along the Arctic bioclimate gradient. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, VA March 21 - 23.
    41. Walker, D.A., Raynolds, M.K., Daniëls, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Markon, C.J., Melnikov, E.S., N.G., M., Talbot, S.S., Yurtsev, B.A., CAVM Team 2005. The Circumpolar Arctic Vegetation Map. Journal of Vegetation Science, 16(3):267-282. doi:10.1658/1100-9233(2005)016[0267:TCAVM]2.0.CO;2 (PDF)
    42. Walker, D.A., Raynolds, M.K., Maier, H.A. 2005. Circumpolar Arctic Vegetation Map: application for a plant-community-level map. Presented at Arctic Network Terrestrial Scoping Workshop. Fairbanks, AK April 26 - 28. (Oral Presentation)
    43. Zhurbenko, M.P., Laursen, G.A., Walker, D.A. 2005. New and rare lichenicolous fungi and lichens from the North American Arctic. Mycotaxon, 92:201-212. (Abstract) (PDF)
    44. Zhurbenko, M.P., Raynolds, M.K., Walker, D.A., Matveeva, N.V. 2005. Lichens and lichenicolous fungi from the Kolyma delta region, Russian Arctic. Graphis Scripta, 17:27-29. (PDF)

  1. 2004

    1. Chappell, G.G., Brody, B., Webb, P., Chord, J., Romanovsky, V., Tipenko, G. 2004. Virtual Reality Visualization of Permafrost Dynamics Along a Transect Through Northern Alaska. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:C43B-0231. (C43B-0231) (Oral Presentation)
    2. Epstein, H.E., Beringer, J., Copass, C., Gould, W., Lloyd, A., Chapin III, F.S., Ping, C.L., Michaelson, G., Rupp, S., Walker, D.A. 2004. The nature of spatial transitions in arctic ecosytems. Journal of Biogeography, 31:1917-1933. doi:10.1111/j.1365-2699.2004.01140.x (Abstract) (PDF)
    3. Gould, W.A., Walker, D.A., Raynolds, M.K., Daniels, F.J.A., Elvebakk, A., Matveyeva, N. 2004. Variation in plant community composition along topographic and climatic gradients in the Canadian Arctic: results of the CAVM Canadian transect. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
    4. Hinzman, L.D., Bettez, N., Bolton, W.R., Chapin, F.S., III, Dyurgerov, M.B., Fastie, C.L., Griffith, B., Hollister, R.D., Hope, A., Huntington, H.P., Jensen, A.M., Jia, G.J., Jorgensen, T., Kane, D.L., Klein, D.R., Kofinas, G.P., Lynch, A.H., Lloyd, A.H., Nolan, M., Oechel, W.C., Osterkamp, T.E., Racine, C.H., Romanovsky, V.E., Stone, R.S., Stow, D.A., Sturm, M., Tweedie, C.E., Vourlitis, G.L., Walker, M.D., Walker, D.A., Webber, P.J., Welker, J.M., Yoshikawa, K. 2004. Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:GC51A-1052. (GC51A-1052) (Oral Presentation)
    5. Jia, G.J., Epstein, H.E., Walker, D.A. 2004. Controls over intra-seasonal dynamics of AVHRR NDVI for the Arctic tundra in northern Alaska. International Journal of Remote Sensing, 25(9):1547-1564. doi:10.1080/0143116021000023925 (PDF)
    6. Kade, A., D.A. Walker, Raynolds, M.K. 2004. Classification and ordination of frost-boil ecosystems along a climate gradient in the Low Arctic, Alaska. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.
    7. Kelley, A.M., Epstein, H., Walker, D.A. 2004. Role of vegetation and climate in permafrost active layer depth in arctic tundra of Northern Alaska and Canada. Journal of Glaciology and Climatology, 26:269-273. (PDF)
    8. Kuss, P. 2004. Cassiope tetragona - Dryas integrifolia Non-acidic Snowbed Communities Along the Thompson River, Banks Island, Canada. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6. (Poster)
    9. Munger, C.A., Raynolds, M.K., Walker, D.A. 2004. July 2003 Banks Island Expedition: Vegetation, biomass, NDVI, soil, thaw layer, invertebrates, decomposition, biogeochemistry and turf-hummock studies. AGC Data Report, 72 pp. (PDF)
    10. NRCS 2004. Soil survey of the greater Fairbanks area, Alaska. USDA Natural Resources Conservation Service. (PDF)
    11. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2004. A coupled thermo-mechanical model of differential frost heave. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:C13B-0282. (C13B-0282) (Oral Presentation)
    12. Ping, C.L., Jorgensen, T., Shur, Y. 2004. Soil cryogenic structures and their implications for land use in Alaska. Journal of Glaciology and Geocryology, 26:(z1).
    13. Ping, C.L., Swanson, D.K. and Clark, M.H. 2004. Cryosols in Alaska. In: J. M. Kimble (ed.), Permafrost-affected soils, pp. 71-94. Springer-Verlag: Berlin, Heidelberg. (PDF)
    14. Raynolds, M.K., Walker, D.A. 2004. The Circumpolar Arctic Vegetation Map: Analysis of distribution and NDVI of vegetation types. Presented at 8th Circumpolar Symposium on Remote Sensing of Polar Environments. Chamonix, France June 8 - 12.
    15. Raynolds, M.K., Walker, D.A., Maier, H.A. 2004. Plant-community-level mapping of Alaska based on the Circumpolar Arctic Vegetation Map. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2 - 6.
    16. Raynolds, M.K., Walker, D.A., Martin, C.R. 2004. Biocomplexity of Frost-Boil Ecosystems: Snow Data Report. AGC Data Report, 32 pp. (PDF)
    17. Stow, D.A., Hope, A., D., M., Verbyla, D., Gamon, J., Huemmrich, F., Houston, S., Racine, C., Sturm, M., Tape, K., Hinzman, L., Yoshikawa, K., Tweedie, C., Noyle, B., Silapaswan, C., Douglas, D., Griffith, B., Jia, G., Epstein, H., Walker, D., Daeschner, S., Petersen, A., Zhou, L., Myneni, R. 2004. Remote sensing of vegetation and land-cover change in arctic tundra ecosystems. Remote Sensing of Environment, 89:281-308. doi:10.1016/j.rse.2003.10.018 (Abstract) (PDF)
    18. Tipenko, G.S., Marchenko, S., Romanovsky, V.E., Groshev, V., Sazonova, T. 2004. Spatially Distributed Model of Permafrost Dynamics in Alaska. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:C12A-02. (C12A-02) (Oral Presentation)
    19. Walker, D.A. 2004. Greening of the Arctic: A transect to monitor terrestrial change across the full Arctic bioclimate gradient. Presented at IPY Workshop. Fairbanks, AK November 29. (Oral Presentation)
    20. Walker, D.A., Epstein, H.E., Gould, W.A., Kelley, A.M., Kade, A.N., Knudson, J.A., Krantz, W.B., Michaleson, G., Peterson, R.A., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Shur, Y.L. 2004. Frost-boil ecosystems: complex interactions between landforms, soils, vegetation, and climate. Permafrost and Periglacial Processes, 15(2):171-188. doi:10.1002/ppp.487 (Abstract) (PDF)
    21. Walker, D.A., Epstein, H.E., Kuss, P., Michaelson, G., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Tarnocai, C.T. 2004. Interactions of multiple factors for patterned-ground features across the Arctic bioclimate gradient. AGU Fall Meeting, San Francisco, CA, December 13-17, 85:F424. (C12A-07) (Oral Presentation)
    22. Walker, D.A., Raynolds, M.K., Maier, H.A., Team, C. 2004. A Vegetation Map of the Arctic Tundra Biome (1:1,750,000 scale): Overview, methods, legend and analysis. Presented at Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6.

  1. 2003

    1. (AP), T.A.P., Walker, D.A., Maier, H.A., Raynolds, M.K. 2003. New map offers unified look at Arctic. USA Today. (PDF)
    2. Bigelow, N.H., Brubaker, L.B., Edwards, M.E., Harrison, S.E., Prentice, I.C., Anderson, P.M., Andreev, A.A., Bartlein, P.J., Christensen, T.R., Cramer, W., Kaplan, J.O., Lozhkin, A.V., Matveyeva, N.V., Murray, D.F., McGuire, A.D., Razzhivin, Y.Y., Ritchie, J.C., Smith, B., Walker, D.A., Gajewski, K., Wolf, V., Holmqvist, B.H., Igarashi, Y., Kremenetskii, K.V., Paus, A., Pisaric, M.F.J., Volkova, V.S. 2003. Climate change and Arctic ecosystems I: Vegetation changes north of 55° N between the last glacial maximum, mid-Holocene and present. Journal of Geophysical Research, 108(D19). doi:10.1029/2002JD002558 (PDF)
    3. CAVM Team 2003. Circumpolar Arctic Vegetation Map. 1:7,500,000. U.S. Fish and Wildlife Service, Anchorage, AK. (Map)
    4. Comiso, J.C. 2003. Warming trends in the Arctic from clear sky satellite observations. Journal of Climate, 16:3498-3510. (Permanent link) (PDF)
    5. Epstein, H.E., Calef, M., Jia, G.J., Chapin, F.S., III, Walker, D.A., Walker, M.D., Starfield, A. 2003. Dynamics of Vegetation and Soils in Arctic Tundra Ecosystems. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    6. Gilbert, M.E. 2003. Researchers publish Circumpolar Arctic Vegetation Map. University of Alaska Fairbanks. (PDF)
    7. Gonzalez, G. 2003. Biocomplexity of Frost boil Ecosystems: Educational Component. Presented at Toolik Field Station, AK June 30 - July 15. (PDF)
    8. Gould, W.A., Gonzalez, G., Walker, D.A. 2003. Integrating research and education in a study of Arctic frost-boil ecosystems. AGU Fall Meeting, San Francisco, CA, December 8 - 12, 84:ED21B-1218. (ED21B-1218) (Oral Presentation)
    9. Gould, W.A., Gonzalez, G., Walker, D.A. 2003. Biocomplexity of Frost-boil Ecosystems: Integrating science and education. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, Virginia 14 - 17 September. (Poster)
    10. Gould, W.A., Quijano, A., Gonzalez, G., Walker, D.A. 2003. Variation in frost-boil morphology and associated vegetation characteristics along a climatic gradient. AGU Fall Meeting, San Francisco, CA, December 8-12, 84:B31C-0311. (B31C-0311)
    11. Gould, W.A., Raynolds, M.A., Walker, D.A. 2003. Vegetation, plant biomass, and net primary productivity patterns in the Canadian Arctic. Journal of Geophysical Research, 108(D2):1-14. doi:10.1029/2001JD000948 (Abstract) (PDF)
    12. Gould, W.A., Walker, D.A., Biesboer, D. 2003. Combining research and education: Bioclimatic Zonation along a Canadian Arctic Transect. Arctic, 56:(1):45-54. (Abstract) (PDF)
    13. Hamilton, T.D. 2003. Glacial Geology of Toolik Lake and the Upper Kuparuk River Region. Biological Papers of the University of Alaska, Institute of Arctic Biology, No. 26. (Publication and map)
    14. Hamilton, T.D. 2003. Surficial geology of the Dalton Highway (Itkillik-Sagavanirktok rivers) area, southern Arctic foothills, Alaska. 1 map sheet, 1:63,360 scale + 32 p text. Alaska Division of Geological and Geophysical Surveys, Professional Report 121. 1-32 . (DGGS Professional Report 121)
    15. Jia, G.J., Epstein, H.E., Walker, D.A. 2003. Greening of arctic Alaska, 1981-2001. Geophysical Research Letters, 30(20):1-4. doi:10.1029/2003GL018268 (Abstract) (PDF)
    16. Kade, A. and D.A. Walker 2003. Experimental Alteration of Vegetation Canopy and the Effects on Cryoturbation Regime. Presented at 54th Arctic Science Conference. Fairbanks, AK 22 - 24 September. (Poster)
    17. Kade, A.N., Walker, D.A. 2003. Experimental Alteration of Plant Canopy and the Effects on Cryoturbation Regime. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    18. Kade, A.N., Walker, D.A. 2003. Manipulation of vegetation canopy and the effects on cryoturbation regime in Alaskan Arctic tundra. Presented at 54th Arctic Science Conference. Fairbanks, AK 22-24 September. (Poster)
    19. Kaplan, J.O., Bigelow, N.H., Prentice, I.C., Harrison, S.P., Bartlein, P.J., Christensen, T.R., Cramer, W., Matveyeva, N.V., McGuire, A.D., Murray, D.F., Razzhivin, V.Y., Smith, B., Walker, D.A., Anderson, P.M., Andreev, A.A., Brubaker, L.B., Edwards, M.E., Lozhkin, L.V. 2003. Climate change and Arctic ecosystems II: Modeling, paleodata-model comparisons, and future projections. Journal of Geophysical Research, 108 (D19). doi:10.1029/2002JD002559 (Abstract) (PDF)
    20. Kelley, A.M., Epstein, H.E. 2003. Plant Community and Nitrogen Cycling in Arctic Frost-Boil Ecosystems. Presented at Toolik Field Station, AK June 30 - July 15. (PDF)
    21. Krantz, W.B. 2003. Geophysical Self-Organization as an Indicator of Global Climate Change. Presented at Toolik Field Station, AK June 30 - July 15. (PDF)
    22. McGuire, A.D., Sturm, M., Chapin III, F.S. 2003. Arctic transitions in the Land-Atmosphere system (ATLAS): Background, objectives, results, and future directions. Journal of Geophysical Research - Atmospheres, 108(D2):8166 ALT 7 (p1-7). doi:10.1029/2002JD002367 (Abstract) (PDF)
    23. Michaelson, G.J., Ping, C.L., Walker, D.A. 2003. Biogeochemistry of Soils Associated with Cryptogamic Crusts on Frost Boils. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    24. Munger, C.A., Walker, D.A. 2003. Vegetation of the upper Kuparuk River region in relationship to glacial geology and surficial geomorphology. Presented at 54th Arctic Science Conference. Fairbanks, AK 22-24 September. (Poster)
    25. NRC, Orians, G., Albert, T., Brown, G., Cameron, R., Cochran, P., Gerlach, S., Gramling, R., Gryc, G., Hite, D., Kennicutt II, M., Lachenbruch, A., Lowry, L., L., M., Pielou, C., Sedingr, J., Lindstedt-Siva, K.J., Speer, L., Walker, D.A., NAS, N.A.o.S.-., NRC, N.R.C.-. 2003. Cumulative Environmental Effects of Oil and Gas Activities on Alaska's North Slope (Summary). (PDF)
    26. NRC, Orians, G., Albert, T., Brown, G., Cameron, R., Cochran, P., Gerlach, S., Gramling, R., Gryc, G., Hite, D., Kennicutt II, M., Lachenbruch, A., Lowry, L., L., M., Pielou, C., Sedingr, J., Lindstedt-Siva, K.J., Speer, L., Walker, D.A., NAS, N.A.o.S.-., NRC, N.R.C.-. 2003. Cumulative Environmental Effects of Oil and Gas on the North Slope (Brief). (PDF)
    27. NRC, Orians, G., Albert, T., Brown, G., Cameron, R., Cochran, P., Gerlach, S., Gramling, R., Gryc, G., Hite, D., Kennicutt II, M., Lachenbruch, A., Lowry, L., L., M., Pielou, C., Sedingr, J., Lindstedt-Siva, K.J., Speer, L., Walker, D.A., NAS, N.A.o.S.-., NRC, N.R.C.-. 2003. Cumulative Environmental Effects of Oil and Gas Activities on Alaska's North Slope. National Academies Press. Washington, D.C. 288 . (Website) (PDF)
    28. Nicolsky, D.J., Tipenko, G.S., Romanovsky, V.E. 2003. Developing a numerical model of frost boils dynamics. AGU Fall Meeting, San Francisco, CA, December 8-12, 84:C21B-0813. (C21B-0813)
    29. Nolan, M. 2003. Distribution of the Star 3i DEM of the Kuparuk River watershed. (Kuparuk River watershed DEM)
    30. Oswald, W.W., Brubaker, L., Hu, F.S., Kling, G.W. 2003. Holocene pollen records from the central Arctic Foothills, northern Alaska: testing the role of substrate in the response of tundra to climate change. Journal of Ecology, 91:1034-1048. doi:10.1046/j.1365-2745.2003.00833.x (PDF)
    31. Peterson, R.A., Krantz, W.B. 2003. A mechanism for differential frost heave and its implications for patterned ground formation. Journal of Glaciology, 49:(164):69-80. (Abstract) (PDF)
    32. Peterson, R.A., Walker, D.A., Romanovsky, V.E., Knudson, J.A., Raynolds, M.K., Krantz, W.B. 2003. A differential frost heave model: cryoturbation-vegetation interactions. Proceedings of the Eighth International Conference on Permafrost. Lisse, 21-25 July, 2:885-890. (Complete set of PDFs) (Oral Presentation)
    33. Ping, C.-L., Michaelson, G.J., Overduin, P.P., Stiles, C.A. 2003. Morphogenesis of frost boils in the Galbraith Lake area, arctic Alaska. Eighth International Conference on Permafrost Extended Abstracts. Zurich, Switzerland, July 21 - 25, 2:897-900. (Poster)
    34. Ping, C.L., Michaelson, G.J., Kimbel, J.M., Shur, Y.L., Walker, D.A. 2003. Morphogenesis of Soils Associated with Frost Boils. Presented at Field talk. Toolik Field Station, AK June 30. (PDF)
    35. Raynolds, M.K., Burian, J.C., Walker, D.A., Maier, H.A. 2003. Relationship between plant biomass and arctic tundra bioclimate subzones based on the Circumpolar Arctic Vegetation Map. Presented at 54th Arctic Science Conference. Fairbanks, AK 22 - 24 September. (Poster)
    36. Raynolds, M.K., Walker, D.A. 2003. Banks Island July 2003 Field Report. AGC Field Report, 19 pp. (PDF)
    37. Romanovsky, V. 2003. Permafrost, Active Layer, Soil Temperature and Moisture, Frost Heave and other Things. Presented at Toolik Field Station, AK June 30. (PDF)
    38. Shur, Y.L., Ping, C.L. 2003. The Driving Force of Frost Boils and Hummocks Formation. AGU Fall Meeting, San Francisco, CA, December 8-12, 84:C21B-0823. (C21B-0823) (Oral Presentation)
    39. Tarnocai, C. 2003. Banks Island Photos. Presented at Toolik Field Station, AK June 30. (PDF)
    40. Tarnocai, C.T. 2003. Geology and Soils. Presented at Toolik Field Station, AK June 30. (PDF)
    41. Tarnocai, C.T. 2003. Turf hummocks along the Arctic Bioclimate Gradient: Their characteristics and development. AGC Field Report. , 3. (PDF)
    42. Walker, D.A. 2003. Biocomplexity of frost-boil ecosystems: 2003 Expedition to Banks Island. Presented at Institute of Arctic Biology Seminar. Fairbanks, AK 2003. (Oral Presentation)
    43. Walker, D.A., Balser, A.W., Maier, H.A., Sharpton, V.L. 2003. Towards a Web-based Arctic Geographic Information System: A hierarchic GIS geobotanical atlas for the Toolik Lake-Kuparuk River region. Presented at SEARCH. unknown . (Oral Presentation)
    44. Walker, D.A., Epstein, H.E., Jia, J.G., Balser, A.W., Copass, C., Edwards, E.J., Gould, W.A., Hollingsworth, J., Knudson, J., Maier, H.A., Moody, A., Raynolds, M.K. 2003. Phytomass, LAI, and NDVI in northern Alaska: Relationships to summer warmth, soil pH, plant functional types, and extrapolation to the circumpolar Arctic. Journal of Geophysical Research - Atmospheres, 108(d2):8169. doi:10.1029/2001JD000986 (Abstract) (PDF)
    45. Walker, D.A., Jia, G.J., Epstein, H.E., Raynolds, M.K., Chapin , F.S., III, Copass, C.D., Hinzman, L.D., Knudson, J.A., Maier, H.A., Michaelson, G.J., Nelson, F., Ping, C.L., Romanovsky, V.E., Shiklomanov, N. 2003. Vegetation-soil-thaw-depth relationships along a low-arctic bioclimate gradient, Alaska: synthesis of information from the ATLAS studies. Permafrost and Periglacial Processes, 14(2):103-123. doi:10.1002/ppp.452 (Abstract) (PDF)
    46. Walker, D.A., Kade, A.N., Michaelson, G., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., González, G., Krantz, W.B., Tarnocai, C.T. 2003. Biocomplexity of frost boil ecosystems: 2003 expedition to Banks Island and Prince Patrick Island, Canada. Presented at 54th Arctic Science Conference. Fairbanks, Alaska 22 - 24 September. (Oral Presentation)
    47. Walker, D.A., Kade, A.N., Michaelson, G.J., Ping, C.L., Raynolds, M.K., Romanovsky, V.E., Epstein, H.E., Kelley, A.M., Gould, W.A., Gonzalez, G., Krantz, W.B., Tarnocai, C.T. 2003. Biocomplexity of Frost-Boil Ecosystems: Models for self-organization across the Arctic Bioclimate Gradient. Presented at Biocomplexity in the Environment Awardees Meeting. Arlington, VA 14 - 17 September.
    48. Walker, D.A., Raynolds, M.A., Moskalenko, N.G., Team, C. 2003. A physiognomic-based circumpolar Arctic Vegetation map. Eighth International Conference on Permafrost Extended Abstracts. Zurich, Switzerland, July 21 - 25, 177-178. (Poster)
    49. Walker, D.A., Raynolds, M.K., Maier, H.A. 2003. The Circumpolar Arctic Vegetation Map: A tool for analysis of change in permafrost regions. AGU Fall Meeting, San Francisco, CA, December 8 - 12, 84:C11E-05. (C11E-05) (Oral Presentation)
    50. Walker, D.A., Raynolds, M.K., Martin, C.R. 2003. Snow on the Alaska North Slope Grids, April 2003. AGC Data Report, 28 pp. (PDF)

  1. 2002

    1. Cushing, E.E., Walker, D.A., Kade, A.N., Kelley, A.M. 2002. Differences in vegetation and thaw depths of frost boils and interboils of acidic and non-acidic tundra. Presented at 53rd Alaska Science Conference of the American Association for the Advancement of Science Arctic Division, Fairbanks, AK, September 18-21, 2002. (Poster)
    2. Gould, W.A. 2002. Integrating Research and Education: Biocomplexity associated with biogeochemical cycles in arctic frost-boil ecosystems. AGC Field Report. University of Alaska Fairbanks, Fairbanks, AK, 10 pp. (PDF)
    3. Gould, W.A., Edlund, S., Zoltai, S., Raynolds, M.K., Walker, D.A., Maier, H.A. 2002. Canadian Arctic vegetation mapping. International Journal of Remote Sensing, 23(21):4597-4609. doi:10.1080/01431160110113962 (Abstract) (PDF)
    4. Gould, W.A., Walker, D.A., Gonzalez, G. 2002. Biocomplexity Western Canadian Transect Reconnaisance. AGC Field Report.. University of Alaska Fairbanks, Fairbanks, AK, 10 pp. (PDF)
    5. Jia, G.J., Epstein, H.E., Walker, D.A. 2002. Spatial characteristics of AVHRR-NDVI along latitudinal transects in northern Alaska. Journal of Vegetation Science, 13:(3):315-326. (JSTOR) (PDF)
    6. Kade, A.N., Walker, D.A. 2002. Vegetation and Cryoturbation Interactions in Alaskan Arctic Tundra. Presented at 53rd Alaska Science Conference of the American Association for the Advancement of Science Arctic Division. Fairbanks, AK September 18-21. (Poster)
    7. Kade, A.N., Walker, D.A. 2002. Experimental investigation of vegetation and cryoturbation interactions in Alaskan arctic tundra. Presented at 53rd Arctic Science Conference. Fairbanks, AK 18-21 September. (Poster)
    8. Knudson, J.A., Walker, D.A., Epstein, H.E., Jia, G.J., Raynolds, M.K., Copass, C.D., Edwards, E.J., Hollingsworth, J., Kiesz, L., Moody, A., Wirth, D. 2002. Synthesis of the Effects of the Climate Gradient and Substrate on Vegetation in the Alaskan Arctic at the ATLAS Sites: 1998-2001. Presented at ARCSS All-Hands Workshop. Seattle, WA February 20. (Poster)
    9. Kruckeberg, A.R. 2002. Geology and Plant Life: The Effects of Landforms and Rock Types on Plants. University of Washington Press. Seattle and London. 363 .
    10. Kruckeberg, A.R. 2002. Geology and Plant Life: The Effects of Landforms and Rock Types on Plants. Reviewed in Ecoscience, 362.
    11. Litaor, M.I., Seastedt, T.R., Walker, D.A. 2002. Spatial analysis of selected soil attributes across an alpine topographic/snow gradient. Landscape Ecology, 17:71-85. (PDF)
    12. McCune, B., Grace, J.B., Urban, D.L. 2002. Analysis of Ecological Communities. MJM Software Design. Gleneden Beach, OR. 304 . (MJM Software Design)
    13. McGuire, A.D., Wirth, C., Apps, M., Beringer, J., Clein, J., Epstein, H., Kicklighter, D.W., Blatti, J., Chapin III, F.S., de Groot, B., Efremov, D., Eugster, W., Fukuda, M., Gower, T., Hinzman, L., Huntley, B., Jia, G.J., Kasischke, E., Melillo, J., Romanovsky, V., Shvidenko, A., Vaganov, E., Walker, D. 2002. Environmental variation, vegetation distribution, carbon dynamics and water/energy exchange at high latitudes. Journal of Vegetation Science, 13:(3):301-314. (BioOne online article) (PDF)
    14. Michaelson, G.J., Ping, C.L., Walker, D.A. 2002. Biogeochemistry of Soils Associated with Cryptogamic Crusts on Frost Boils. Presented at AGU Fall Meeting, San Francisco, CA, December 6-10, 83:F260.
    15. Ping, C.-L., Michaelson, G.J., Kimble, J., Shur, Y.L., Walker, D.A. 2002. Morphogenesis of soils associated with frost boils. Presented at AGU Fall Meeting, San Francisco, CA, December 6-10, 83:F259. (Oral Presentation)
    16. Raynolds, M.K. and Markon, C.J. 2002. Fourth International Circumpolar Arctic Vegetation Mapping Workshop: A compilation of short papers, abstracts, and comments presented at the Russian Academy of Sciences, Moscow, Russia, 10-13 April, 2001. In: M.K. Raynolds and C.J. Markon, Open-File Report 02-181. U.S. Department of the Interior, U.S. Geological Survey. (Proceedings)
    17. Raynolds, M.K., Ananjeva, G.V., Drozdov, D.S., Daniëls, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Korostelev, Y.V., Maier, H.A., Markon, C.J., Moskalenko, N., Talbot, S.S., Walker, D.A. 2002. Second Draft of the Circumpolar Arctic Vegetation Map. Presented at ARCSS All-Hands Workshop. Seattle, WA February 20. (Oral Presentation)
    18. Raynolds, M.K., Martin, C.R., Walker, D.A., Moody, A., Wirth, D., Thayer-Snyder, C. 2002. ATLAS Vegetation Studies: Seward Peninsula, Alaska, 2000: Vegetation, Soil, and Site Information, with Seward Vegetation Map. AGC Data Report. University of Alaska Fairbanks, Fairbanks, AK, 125 pp. (PDF)
    19. Raynolds, M.K., Walker, D.A. 2002. Draft of the Circumpolar Arctic Vegetation Map. Presented at 53rd Arctic Science Conference. Fairbanks, AK September 18-21. (Oral Presentation)
    20. Schickhoff, U., Walker, M.D., Walker, D.A. 2002. Riparian willow communities on the Arctic Slope of Alaska and their environmental relationships: A classification and ordination analysis. Phytocoenologia, 32:145-204. doi:10.1127/0340-269X/2002/0032-0145 (Abstract) (PDF)
    21. Walker, D.A. 2002. Active-layer-vegetation interactions: The Circumpolar Arctic Vegetation Map and a network of active layer monitoring sites as part of the Biocomplexity in the Environment initiative. Presented at Circumpolar Active Layer Monitoring (CALM) Workshop. Lewes, Delaware November 11 - 15. (Oral Presentation)
    22. Walker, D.A. 2002. Field Report for Walker ATLAS and Biocomplexity projects. AGC Field Report. , 11. (PDF)
    23. Walker, D.A., Epstein, H.E., Gould, W.A., Krantz, W.B., Tipenko, G., Ping, C.L., Romanovsky, V., Walker, M.D. 2002. Biocomplexity of Frost-boil Ecosystems. Presented at Artic Forum. Washington, D. C. May 16-17. (Oral Presentation)
    24. Walker, D.A., Epstein, H.E., Gould, W.A., Krantz, W.B., Tipenko, G., Ping, C.L., Romanovsky, V., Walker, M.D. 2002. Biocomplexity of Frost-boil Ecosystems. Presented at 53rd Arctic Science Conference. Fairbanks, AK September 18-21. (Oral Presentation)
    25. Walker, D.A., Gould, W.A., Maier, H.A., Raynolds, M.K. 2002. The Circumpolar Arctic Vegetation Map: AVHRR-derived base maps, environmental controls, and integrated mapping procedures. International Journal of Remote Sensing, 23(21):4551-4570. doi:10.1080/01431160110113854 (Abstract) (PDF)
    26. Walker, D.A., Jia, G.J., Epstein, H.E., Shiklomanov, N.I., Nelson, F.E., Hinzman, L.D., Romanovsky, V.E. 2002. Vegetation-soil-active layer relationships along a low-arctic bioclimate gradient, Alaska. AGU Fall Meeting, San Francisco, CA, December 6-10, 83:B72D-02. (B72D-02) (Oral Presentation)
    27. Walker, D.A., Knudson, J.A. 2002. Biocomplexity of frost boil ecosystems. Presented at 53rd Arctic Science Conference. Fairbanks, AK September 18-21. (Oral Presentation)
    28. Walker, D.A., Raynolds, M.K., Maier, H.A., Murray, D.F., Markon, C.J., Talbot, S.S., Gould, W.A., Bliss, L.C., Edlund, S.A., Zoltai, S.C., Daniels, F.J.A., Wilhelm, M., Bay, C., Einarsson, E., Gundjonsson, G., Moskalenko, N.G., Ananjeva, G.V., Drozdov, D.S., Konchenko, L.A., Korostelev, Y.V., Melnikov, E., Ponomareva, O.E., Katenin, A.E., Kholod, S.S., Matveyeva, N.V., Safranova, I.N., Shelkunova, R., Yurtsev, B.A., Polezhaev, A.N., Elvebakk, A., Johansen, B.E., Trahan, N.G., Charron, T.M. 2002. Draft of the Circumpolar Arctic Vegetation Map. Presented at 53rd Alaska Science Conference of the American Association for the Advancement of Science Arctic Division. Fairbanks, AK September 18-21. (Oral Presentation)
    29. Walker, D.A., Raynolds, M.K., Matveyeva, N. 2002. Trip Report Russia ATLAS project. AGC Field Report. , 38. (PDF)
    30. Walker, D.A., V.E. Romanovsky, Krantz, W.B. 2002. Cryoturbation-ecosystem interactions: Field observations and experiments to validate a new model of frost-boil formation and its relevance to climate change. Presented at IARC/CIFAR PI Final Results Meeting. Boulder, CO October 20 - 22. (Oral Presentation)
    31. Walker, D.A., V.E. Romanovsky, W.B. Krantz, C.L. Ping, R.A. Peterson, M.K. Raynolds, H.E. Epstein, G.J. Jia, Wirth, D.C. 2002. Biocomplexity of frost boil ecosystems on the Arctic Slope, Alaska. Presented at 14th Annual Meeting and Arctic Forum. Arlington, VA May 16 - 17. (Oral Presentation)

  1. 2001

    1. Aitchison, C.A. 2001. The effect of snow cover on small animals. In: Jones, H.G., Hoham, R.W., Pomeroy, J.W., Walker, D.A. (eds.), Snow Ecology: An Interdisciplinary Examination of Snow-covered Ecosystems, pp. 229-265. Cambridge University Press. Cambridge, UK. (PDF)
    2. Davis, N. 2001. When the Ground Freezes. In: Chapter 3, Permafrost: A Guide to Frozen Ground in Transition, pp. 45-99. University of Alaska Press. Fairbanks. (PDF)
    3. Davis, N. 2001. Land Forms Created by Cryogenic Action. In: Chapter 4, Permafrost: A Guide to Frozen Ground in Transition, pp. 101-200. University of Alaska Press: Fairbanks, AK. (PDF)
    4. Davis, N. (ed.) 2001. A short introduction to permafrost and seasonally frozen ground. In: Permafrost: A Guide to Frozen Ground in Transition (pp. 15-44). University of Alaska Press. Fairbanks, AK, pp. 1-14. (PDF)
    5. Davis, T.N. (ed.) 2001. The whys and wherefores of permafrost. In: Permafrost: A Guide to Frozen Ground in Transition. Fairbanks, Alaska: University of Alaska Press, pp. 15-44. (PDF)
    6. ESRI 2001. Digital Chart of the World 2000. Environmental Systems Research Institute. Redlands, CA. 31 . (PDF)
    7. Epstein, H.E., Chapin, F.S., III, Walker, M.D., Starfield, A.M. 2001. Analyzing the functional type concept in arctic plants using a dynamic vegetation model. Oikos, 95:(2):239-252. (Abstract) (PDF)
    8. Gould, W.A., Raynolds, M.K., Walker, D.A. 2001. Vegetation Characteristics Derived from an Integrated Vegetation Complex Map for the Canadian Arctic. Arctic GIS Workshop. Seattle, WA, 22-24 January. (Abstract) (Poster)
    9. Gould, W.A., Raynolds, M.K., Walker, D.A., Edlund, S.A. 2001. Canadian Arctic vegetation and ecosystem properties. Presented at Fourth International Circumpolar Arctic Vegetation Mapping Workshop. Moscow, Russia April 10-13. (Oral Presentation)
    10. Guthrie, R.D. 2001. Origin and causes of the mammoth steppe: a story of cloud cover, woolly mammal tooth pits, buckles, and inside-out Beringia. Quaternary Science Reviews, 20:549-574. (PDF)
    11. Hoham, R.W., Duval, B. 2001. Microbial Ecology of Snow and Freshwater Ice with Emphasis on Snow Algae. In: Jones, H.G., Pomeroy, J.W., Walker, D.A., Hoham, R.W. (eds.), Snow Ecology: An Interdisciplinary Examination of Snow-covered Ecosystems, pp. 168-228. Cambridge University Press. Cambridge, UK. (PDF)
    12. Jia, G.J., Epstein, H.E., Walker, D.A., Burian, J.C., Maier, H.A., Raynolds, M.K., Riedel, S.M. 2001. Patterns of NDVI in Arctic Tundra from Local to Circumpolar Scales. Presented at LAII All Hands Meeting. Salt Lake City, UT 14-17 November. (Poster)
    13. Jones, H.G., Pomeroy, J., Walker, D.A., Hoham, R.W. 2001. Snow Ecology. Cambridge University Press. Cambridge, UK. 378 .
    14. Jorgenson, M.T. 2001. Ecological subsections of Bering Land Bridge National Preserve.
    15. Jorgenson, M.T., Swanson, D.K., Macander, M. 2001. Ecological subsections of Noatak National Preserve.
    16. Knudson, J.A., Hollingsworth, J., Maier, H.A., Raynolds, M.K., Walker, D.A. 2001. A framework for a web-based GIS for a circumpolar arctic geobotanical atlas. Presented at Arctic GIS Workshop. Seattle, WA 22-24 Jan. (Poster)
    17. Maybeck, M., Green, P., Vörösmarty, C. 2001. A new typology for mountains and other relief classes: an application to global continental water resources and population distribution. Mountain Research and Development, 21:(1):34-45. (JSTOR) (PDF)
    18. Munroe, J.S., Bockheim, J.G. 2001. Soil development in low-arctic tundra of the northern Brooks Range, Alaska, U.S.A.. Arctic, Antarctic, and Alpine Research, 33:78-87.
    19. Müller, T., Leya, R., Fuhr, G. 2001. Persistent snow algal fields in Spitsbergen: field observations and a hypothesis about the annual cell circulation. Arctic, Antarctic, and Alpine Research, 33:42-51.
    20. Pomeroy, J.W., Brun, E. 2001. Physical properties of snow. In: H.G. Jones, J.W. Pomeroy, D.A. Walker, R.W. Hoham (eds.) Snow Ecology: An Interdisciplinary Examination of Snow-covered Ecosystems. Cambridge University Press. Cambridge. pp. 45-126. (PDF)
    21. Pomeroy, J.W., Hoeller, P., Marsh, P., Walker, D.A., Williams, M.W. 2001. Snow vegetation interactions: Issues for a new initiative. In: A.J. Dolman, A.J. Hall, M.L. Kavvas, T. Oki, J.W. Pomeroy (eds.), Soil, Vegetation, Atmosphere Transfer Schemes and Large Scale Hydrological Models (IAHS Publ. No. 270), pp. 299-306. IAHS Press. Wallingford, UK.
    22. Raynolds, M.K., Ananjeva, G.V., Drozdov, D.S., Daniels, F.J.A., Einarsson, E., Elvebakk, A., Gould, W.A., Katenin, A.E., Kholod, S.S., Korostelev, Y.V., Maier, H.A., Markon, C.J., Moskalenko, N.G., Talbot, S.S., Walker, D.A., Wilhelm, M. 2001. First draft of the Circumpolar Arctic Vegetation Map. Presented at LAII All Hands Meeting. Salt Lake City, UT 14-17 November .
    23. Raynolds, M.K., Walker, D.A., Gould, W.A., Markon, C.J. 2001. Synthesis of Alaska and Canada. Presented at Fourth International Circumpolar Arctic Vegetation Mapping Workshop. Moscow, Russia April 10-13. (Oral Presentation)
    24. Riedel, S.M., Epstein, H.E. & Walker, D.A. 2001. Biotic controls over spectral indices of tundra vegetation and implications for regional scaling. (PDF)
    25. Sturm, M., McFadden, J.P., Liston, G.E., Chapin III, F.S., Racine, C.H., Holmgren, J. 2001. Snow-shrub interactions in arctic tundra: a hypothesis with climatic implications. Journal of Climate, 14:336-344. (PDF)
    26. Swanson, D.K. 2001. Ecological units of Kobuk Valley National Park, Alaska.
    27. Swanson, D.K. 2001. Ecological units of Cape Krusenstern National Monument, Alaska.
    28. Tranter, M., Jones, G. 2001. The Chemistry of Snow: Processes and Nutrient Cycling. In: H.G. Jones, J. Pomeroy, D.A. Walker, R. Hoham (eds.) Snow Ecology. Cambridge University Press. Cambridge. pp. 127-167. (PDF)
    29. Walker, D.A. 2001. Circumpolar Arctic Vegetation Map: Plan for Synthesis. Presented at unknown. unknown . (Oral Presentation)
    30. Walker, D.A. 2001. Welcome, history, progress, and future of the CAVM. Presented at Fourth International Circumpolar Arctic Vegetation Mapping Workshop. Moscow, Russia April 10-13. (Oral Presentation)
    31. Walker, D.A., Billings, W.D., de Molenaar, J.G. 2001. Snow-vegetation interactions in tundra environments. In: H.G. Jones, R.W. Hoham, J.W. Pomeroy and D.A. Walker (eds.), Snow Ecology, pp. 266-324. Cambridge University Press. Cambridge, UK. (Google Books) (PDF)
    32. Walker, D.A., Bockheim, J.G., Chapin, F.S., III, Eugster, W., Nelson, F.E., Ping, C.L. 2001. Calcium-rich tundra, wildlife, and ''the Mammoth Steppe''. Quaternary Science Reviews, 20:149-163. doi:10.1016/S0277-3791(00)00126-8 (PDF)
    33. Walker, D.A., Burian, J.C., Epstein, H.E., Gould, W.A., Jia, G.J., Maier, H.A., Raynolds, M.K. 2001. Controls on Arctic NDVI Patterns: a Zonal Analysis. AGU Fall Meeting. San Francisco, CA, December 10-14, 82:B22C-0176. (B22C-0176) (Oral Presentation)
    34. Walker, M.D., Walker, D.A., Theodose, T.A., Webber, P.J. 2001. Vegetation: hierarchical species-environment relationships. In: W.D. Bowman, T.R. Seastedt (eds.), Structure and Function of an Alpine Ecosystem: Niwot Ridge, Colorado, pp. 99-127. Oxford University Press. New York, NY. (PDF)

  1. 2000

    1. Borner, A.P., Walker, M.D. 2000. Effects of snowpack on thaw depth and growth of Salix pulchra at the Toolik Snowfence Experiment and a natural snowbed. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    2. Chapin, F.S., III, Eugster, W., McFadden, J.P., Lynch, A.H., Walker, D.A. 2000. Summer differences among arctic ecosystems in regional climate forcing. Journal of Climate, 13(12):2002-2010. doi:10.1175/1520-0442(2000)013<2002:SDAAEI>2.0.CO;2 (PDF)
    3. Copass, C., Beringer, J., McGuire, A.D., Chapin, F.S., III, Walker, D.A. 2000. Characterization of Vegetation Biomass and Structure Along a Gradient from Tundra to Forest at Treeline in Council, Alaska. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B72B-09. (B72B-09) (Poster)
    4. Daniëls, F.J., Bültmann, H., Lünterbusch, C., Wilhelm, M. 2000. Vegetation zones and biodiversity of the North-American Arctic. Berichte der Reinhold-Tüxen-Gesellschaft, 12:131-151.
    5. Edwards, E.J., Moody, A., Walker, D.A. 2000. A western Alaskan transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids and transects, 1998-1999. NEAML Data Report. , 44 pp. + appendices.
    6. Epstein, H.E., Walker, M.D., Chapin, F.S., III, Starfield, A.M. 2000. A transient, nutrient-based model of arctic plant community response to climatic warming. Ecological Applications, 10(3):824-841. doi:10.1890/1051-0761(2000)010[0824:ATNBMO]2.0.CO;2 (PDF)
    7. George, S., Hay, B., Knudson, J., Maier, H.A., Nance, K., Raynolds, M.K., Walker, D.A. 2000. The University of Alaska Fairbanks: A member of an Arctic GIS community. Presented at Arctic GIS Workshop. Seattle, WA January 22 - 24. (Oral Presentation)
    8. Gonzalez, G., Gould, W.A., Raynolds, M.K. 2000. 1999 Canadian transect for the Circumpolar Arctic Vegetation Map. AGC Data Report, 89 pp.
    9. Gough, L., Shaver, G.R., Carroll, J., Royer, D.L., Laundre, J.A. 2000. Vascular plant species richness in Alaskan arctic tundra: the importance of soil pH. Journal of Ecology, 88:54-66. doi:10.1046/j.1365-2745.2000.00426.x (Wiley online library) (PDF)
    10. Gould, W.A., D.A. Walker, Raynolds, M.K. 2000. Canadian transect and mapping for the Circumpolar Arctic Vegetation Map. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    11. Gould, W.A., Raynolds, M.K., Walker, D.A. 2000. Vegetation Characteristics Derived from an Integrated Vegetation Complex Map for the Canadian Arctic. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B72B-13. (B72B-13)
    12. Gould, W.A., Raynolds, M.K., Walker, D.A., Maier, H.A., Edlund, S.A., Zoltai, S.C. 2000. Canadian arctic vegetation: An integrated vegetation complex map for the Circumpolar Arctic Vegetation Mapping project. Presented at 6th Circumpolar Symposium on Remote Sensing of Polar Environments. Yellowknife, NWT, Canada 12-14 May. (Poster)
    13. Jia, G.J., Epstein, H.E., Walker, D.A. 2000. Spatial and intraseasonal characteristics of AVHRR-NDVI for the arctic tundra in northern Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA 23-26 February. (Poster)
    14. Jorgenson, M.T. 2000. Hierarchical organization of ecosystems at multiple spatial scales on the Yukon-Kuskokwim Delta, Alaska, U.S.A.. Arctic, Antarctic, and Alpine Research, 32:221-239. (JSTOR)
    15. Moody, A., Edwards, E.J., Walker, D.A., Epstein, H.E., Jia, G.J., Ping, C.L., Michaelson, G.J., Hinzman, L.D. 2000. A western Alaska transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids at Barrow, Atqasuk, Oumalik, and Ivotuk, Alaska, 1999. Presented at ARCSS LAII Science Workshop. Seattle, WA 23-26 February. (Poster)
    16. Muller, S.V., D.A. Walker, Moody., A. 2000. Accuracy assessment of a MSS-derived landcover map of Northern Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    17. Oechel, W.C., Vourlitis, G.L., Verfaillie Jr., J., Crawford, T., Brooks, S., Dumas, E., Hope, A., Stow, D., Boynton, B., Nosov, V., Zulueta, R. 2000. A scaling approach for quantifying the net CO2 flux of the Kuparuk River Basin, Alaska. Global Change Biology, 6:(S1):160-173. (Wiley Online Library) (PDF)
    18. Ping, C.L., Michaelson, G.J., Dai, X., Everett, L., Kimble, J.M., Walker, D.A. 2000. Characteristics of Soils Associated With ATLAS Sites in Western Alaska. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B72B-15. (B72B-15)
    19. Riedel, S.M., Epstein, H.E., Walker, D.A. 2000. Biotic controls on spectral reflectance indices of tundra vegetation. AGU Fall Meeting, San Francisco, CA, December 15-19, 81:B71D-11. (B71D-11)
    20. Riedel, S.M., Epstein, H.E., Walker, D.A., Richardson, D.L., Calef, M.P. 2000. Seasonal variations in NDVI, LAI, and biomass on four tundra vegetation types at Ivotuk, Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    21. Walker, D.A. 2000. Hierarchical subdivision of arctic tundra based on vegetation response to climate, parent material, and topography. Global Change Biology, 6(S1):19-34. doi:10.1046/j.1365-2486.2000.06010.x (Wiley online library) (PDF)
    22. Walker, D.A., Epstein, H.E., Jia, J.G., Edwards, E.J., Moody, A. 2000. Climate, Vegetation, Soil, and Spectral Reflectance Patterns Across Zonal Vegetation Boundaries in Arctic Alaska. AGU Fall meeting, San Francisco, CA, December 15-19, 81:F223. (B71F-08) (Oral Presentation)
    23. Walker, D.A., Gould, W.A., Maier, H.A., Raynolds, M.K., Board., C.E. 2000. An AVHRR-image-based Circumpolar Arctic Vegetation Map: A hierarchical approach using image intepretation and integrated mapping methods. Presented at ARCSS LAII Science Workshop. Seattle, WA February 23 - 26. (Poster)
    24. Walker, D.A., Gould, W.A., Maier, H.A., Raynolds, M.K., Muller, S.V. 2000. The Circumpolar Arctic Vegetation Map: Environmental controls, AVHRR-derived base maps, and integrated mapping procedures. Presented at 6th Circumpolar Symposium on Remote Sensing of Polar Environments. Yellowknife, NWT, Canada 12-14 May. (Oral Presentation)
    25. Walker, D.A., V.E. Romanovsky, W.B. Krantz, al., e. 2000. Cryoturbation-ecosystem interactions: project overview and first field season results. Presented at IARC/CIFAR Principal Investigators Meeting. Fairbanks, AK October 23 - 25. (Poster)
    26. Weber, H.E., Moravec, J., Therurillat, J.-P. 2000. International Code of Phytosociological Nomenclature. 3rd Edition. Journal of Vegetation Science, 11:739-768. (Abstract) (PDF)
    27. Wielgolaski, F.E. 2000. Polar and Alpine Tundra. Reviewed in Arctic, Antarctic, and Alpine Research, 32:930. (PDF)

  1. 1999

    1. Birkeland, P.W. 1999. Soils and Geomorphology. Oxford University Press. New York. 430 .
    2. Comiso, J. 1999. Bootstrap sea ice concentrations for NIMBUS-7SMMR and DMSP SSM/I, June to September 2001.
    3. Elvebakk, A. 1999. Bioclimatic delimitation and subdivision of the Arctic. In: I. Nordal, V.Y. Razzhivin (eds.), The Species Concept in the High North - A Panarctic Flora Initiative, pp. 81-112. The Norwegian Academy of Science and Letters. Oslo, NO. (Permanent link) (PDF)
    4. Elvebakk, A., Elven, R., Razzhivin, V.Y. 1999. Delimitation, zonal and sectorial subdivision of the Arctic for the Panarctic Flora Project. In: Nordal, I., Razzhivin, V.Y. (eds.), The Species Concept in the High North - A Panarctic Flora Initiative, pp. 375-386. The Norwegian Academy of Science and Letters. Oslo, NO. (Permanent link) (PDF)
    5. Gesch, D.B., Verdin, K.L., Greenlee, S.K. 1999. New land surface digital elevation model covers the earth. EOS Transactions, AGU., 80:69-70. (AGU link)
    6. Liston, G.E. 1999. Interrelationships among snow distribution, snowmelt, and snow cover depletion: implications for atmospheric, hydrologic, and ecologic modeling. Journal of Applied Meteorology, 38:1474-1487. doi:10.1175/1520-0450(1999)038<1474:IASDSA>2.0.CO;2 (PDF)
    7. Markon, C.J., Walker, D.A. 1999. Proceedings of the Third International Circumpolar Arctic Vegetation Mapping Workshop. USGS Open File Report No. 99-551. , 79. (PDF)
    8. Mucinal, L., Pignatti, S., Rodwell, J.S., Schaminée, J.H.J., Chytrý, M. 1999. European Vegetation Survey: Case Studies. Reviewed in Journal of Vegetation Science, 10:(1):138. (JSTOR) (PDF)
    9. Muller, S.V., Racoviteanu, A.E., Walker, D.A. 1999. Landsat MSS-derived land-cover map of northern Alaska: extrapolation methods and a comparison with photo-interpreted and AVHRR-derived maps. International Journal of Remote Sensing, 20:2921-2946. doi:10.1080/014311699211543 (PDF)
    10. Razzhivin, V.Y. 1999. Zonation of vegetation in the Russian Arctic. In: I Nordal, V.Y. Razzhivin (eds.), The Species Concept in the High North - A Panarctic Flora Initiative, pp. 113-130. The Norwegian Academy of Science and Letters, Oslo, Norway.
    11. Walker, D.A. 1999. An integrated vegetation mapping approach for northern Alaska (1:4 M scale). International Journal of Remote Sensing, 20(15-16):2895-2920. doi:10.1080/014311699211534 (PDF)
    12. Walker, D.A., Anderson, J.A., Lillie, A.C. 1999. A western Alaska transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids at Barrow, Atqasuk, and Ivotuk, Alaska, 1998. Presented at ARCSS LAII Science Workshop. Seattle, WA March 11-13. (Poster)
    13. Walker, M.D., Walker, D.A., Welker, J.M., Arft, A.M., Bardsley, T., Brooks, P.D., Fahnestock, J.T., Jones, M.H., Losleben, M., Parsons, A.N., Seastedt, T.R., Turner, P.L. 1999. Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra. Hydrological Processes, 13:2315-2330. doi:10.1002/(SICI)1099-1085(199910)13:14/15<2315::AID-HYP888>3.0.CO;2-A (Abstract) (PDF)

  1. 1998

    1. Bockheim, J.G., Tarnocai, C. 1998. Gelisols: the permafrost-affected soils.. In: M.E. Sumner, et al. (eds.), Handbook of Soil Science. CRC Press. Boca Raton, FL.
    2. Bockheim, J.G., Walker, D.A., Everett, L.R., Nelson, F.E. and Shiklomanov, N.I. 1998. Soils and cryoturbation in moist nonacidic and acidic tundra in the Kuparuk river basin, arctic Alaska, USA. Arctic and Alpine Research, 30:(2):166-174. (JSTOR) (PDF)
    3. Fahnestock, J.T., Jones, M.H., Brooks, P.D., Walker, D.A., Welker, J.M. 1998. Winter and early spring CO2 efflux from tundra communities of northern Alaska. Journal of Geophysical Research, 103(D22):29,023-29,027. doi:10.1029/98JD00805 (PDF)
    4. Hobbie, J.E., Kwiatkowski, B.L., Rastetter, E.B., Walker, D.A., McKane, R.B. 1998. Carbon cycling in the Kuparuk basin: plant production, carbon storage, and sensitivity to future changes. Journal of Geophysical Research, 103:(D22):29065-29073. (Abstract) (PDF)
    5. Hoefle, C.M., Ping, C.L., Kimble, J.P. 1998. Properties of permafrost soils on northern Seward Peninsula, northwest Alaska. Soil Science Society of America Journal, 62:1629-1639. (Purchase PDF)
    6. Jones, M.H., Fahnestock, J.T., Walker, D.A., Walker, M.D., Welker, J.M. 1998. Carbon dioxide fluxes in moist and dry arctic tundra during the snow-free season: responses to increases in summer temperature and winter snow accumulation. Arctic and Alpine Research, 30:(4):373-380. (JSTOR) (PDF)
    7. Kane, D.L., Reeburgh, W.S. 1998. Introduction to special section: Land-Air-Ice Interactions (LAII) Flux Study. Journal of Geophysical Research, 103:28,913-28,915. doi:10.1029/1998JD200017 (PDF)
    8. Matveyeva, N.V. 1998. Zonation of Plant Cover in the Arctic. Russian Academy of Science. St. Petersburg. 21. 220 .
    9. Muller, S.V., Walker, D.A., Nelson, F.E., Auerbach, N., Bockheim, J., Guyer, S. and Sherba, D. 1998. Accuracy assessment of a land-cover map of the Kuparuk River basin, Alaska: considerations for remote regions. Photogrammetric Engineering & Remote Sensing, 64:(6):619-628. (Abstract) (PDF)
    10. Nelson, F.E., Hinkel, K.M., Shiklomanov, N.I., Mueller, G.R., Miller, L.L., Walker, D.A. 1998. Active-layer thickness in north central Alaska: Systematic sampling, scale, and spatial autocorrelation. Journal of Geophysical Research, 103:(D22):28963-28973. (Abstract) (PDF)
    11. Ping, C.-L., Bockheim, J.G., Kimble, J.M., Michaelson, G.J., Walker, D.A. 1998. Characteristics of cryogenic soils along a latitudinal transect in Arctic Alaska. Journal of Geophysical Research, 103:(D22):28917-28928. (Abstract) (PDF)
    12. Reeburgh, W.S., King, J.Y., Regli, S.K., Kling, G.W., Auerbach, N.A., Walker, D.A. 1998. A CH4 emission estimate for the Kuparuk River basin, Alaska. Journal of Geophysical Research, 103(D22):29,005-29,013. doi:10.1029/98JD00993 (Abstract) (PDF)
    13. Ruess, R.W., Hendrick, R.L., Bryant, J.P. 1998. Regulation of fine root dynamics by mammalian browsers in early successional Alaskan taiga forests. Ecology, 79:(8):2706-2720. (JSTOR) (PDF)
    14. Stow, D., Hope, A., Boynton, W., Phinn, S., Walker, D., Auerbach, N. 1998. Satellite-derived vegetation index and cover type maps for estimating carbon dioxide flux for Arctic tundra regions. Geomorphology, 21:313-327. doi:10.1016/S0169-555X(97)00071-8 (Abstract) (PDF)
    15. Walker, D.A. 1998. Welcome, History, and Goals of the 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Presented at 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Anchorage, AK June 3-7. (Oral Presentation)
    16. Walker, D.A. 1998. An Integrated Vegetation Map for Northern Alaska: A Prototype for Circumpolar Arctic Vegetation Mapping. Presented at 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Anchorage, AK June 3-7. (Oral Presentation)
    17. Walker, D.A. 1998. An integrated vegetation mapping approach for the Circumpolar Arctic Vegetation Map. Presented at 3rd International Circumpolar Arctic Vegetation Mapping Workshop. Anchorage, AK June 3-7. (Oral Presentation)
    18. Walker, D.A., Auerbach, N.A., Bockheim, J.G., Chapin, F.S., III, Eugster, W., King, J.Y., McFadden, J.P., Michaelson, G.J., Nelson, F.E., Oechel, W.C., Ping, C.L., Reeburg, W.S., Regli, S., Shiklomanov, N.I., Vourlitis, G.L. 1998. Energy and trace-gas fluxes across a soil pH boundary in the Arctic. Nature, 394:469-472. doi:10.1038/28839 (PDF)
    19. Walker, D.A., J.G. Bockheim, F.S. Chapin, W. Eugster, F.E. Nelson, Ping, C.L. 1998. Calcium-rich tundra and its importance to wildlife: Past, present, and future. Presented at 49th Annual Arctic Science Conference. Fairbanks, AK October 25 - 28. (Poster)
    20. Walker, D.A., Walker, M.D., Welker, J.M., Arft, A.M., Bardsley, T., Brooks, P.D., Fahnestock, J.T., Jones, M.H., Losleben, M., Parsons, A.N., Seastedt, T.R., Turner, P.L. 1998. Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra: An integrated ecosytem approach. Presented at International Conference on Snow Hydrology: The integration of physical, chemical, and biological systems. Brownsville, VT 6-9 October. (Oral Presentation)

  1. 1997

    1. Auerbach, N.A., Walker, M.D., Walker, D.A. 1997. Effects of roadside disturbance on substrate and vegetation properties in arctic tundra. Ecological Applications, 7(1):218-235. doi:/10.1890/1051-0761(1997)007[0218:EORDOS]2.0.CO;2 (JSTOR) (PDF)
    2. Bay, C. 1997. Floristical and ecological characterization of the polar desert zone of Greenland. Journal of Vegetation Science, 8:(5):685-696. (JSTOR) (PDF)
    3. Bazilevich, N.I., Tishkov, A.A., Vilchek, G.E. 1997. Live and dead reserves and primary production in polar desert, tundra and forest tundra of the former Soviet Union. In: F. E. Wielgolaski (ed.), Polar and Alpine Tund, pp. 509-539. Elsevier: Amsterdam, Netherlands. (Catalog)
    4. Bliss, L.C. 1997. Arctic Ecosystems of North America. In: F.E. Wielgolaski (eds.), Polar and Alpine Tundra, pp. 551-683. Elsevier: Amsterdam, Netherlands. (PDF)
    5. Bockheim, J.G., D.A. Walker and Everett, L.R. 1997. Soil carbon distribution in nonacidic and acidic tundra of Arctic Alaska. In: R. Lal, J.M. Kimble, R.F. Follett, B.A. Stewart (eds.), Soil processes and the carbon cycl, pp. 143-155. CRC Press: Boca Raton, FL. (PDF)
    6. Brown, J., Ferrians, O.J., Heginbottom, J.A., Melnikov, E.S. 1997. Circum-Arctic Map of Permafrost and Ground-Ice Conditions. U.S. Geological Survey. .
    7. Chernov, Y.I., Matveyeva, N.V. 1997. Arctic ecosystems in Russia. In: F. E. Wielgolaski (eds.), Polar and Alpine Tundra, pp. 361-507. Elvesier. Amsterdam. (PDF)
    8. Elvebakk, A. 1997. Tundra diversity and ecological characteristics of Svalbard. In: Wielgolaski, F.E. (eds.) Polar and Alpine Tundra. Elsevier. Amsterdam. pp. 347-399.
    9. Eugster, W., J. P. McFadden, F. S. Chapin III, Walker, D.A. 1997. Importance of Landscape Age and Plant Community Composition for the Surface Energy Budget and Carbon Fluxes in Alaskan Arctic Tundra. Annales Geophysicae, 15:(Supplement II):C356.
    10. Fleming, M. 1997. A statewide vegetation map of Alaska using phenological classification of AVHRR data. Presented at Second Circumpolar Arctic Vegetation Mapping Workshop and the CAVM-North American Workshop. Arendal, Norway and Anchorage, AK 19-24 May 1996/14-16 January 1997. (Oral Presentation)
    11. Gould, W.A., Walker, M.D., Walker, D.A., Edmands, T., Dornfield, M.A., Auerbach, N.A., Nettleton, T.K., Muller, S.V. 1997. Decade-scale changes in vegetation in the Brooks Range, Southern Alaska Foothills, Alaska. Presented at ARCSS LAII Science Workshop. Seattle, WA 27-29 March. (Poster)
    12. Jorgenson, M.T., Roth, J.E., Pullman, E.R., Burgess, R.M., Raynolds, M.K., Stickney, A.A., Smith, M.D., Zimmer, T.M. 1997. An ecological land survey for the Colville River Delta, Alaska, 1996.
    13. Markon, C.J., Wesser, S. 1997. The Bering Land Bridge National Preserve land cover map and its comparability with 1995 field conditions. USGS Open File Report No 97-103. , 27.
    14. McCaffery, B.J., Harwood, C.M. 1997. Results of the 1996 avifaunal inventory, Cape Romanzof long range radar site, Alaska. Department of Defense Legacy Project No. 9510096. .
    15. Muller, S.V., D.A. Walker, N.A. Auerbach, J. Bockheim, S. Guyer, F. Nelson, Sherba, D. 1997. Accuracy assessment of a landcover map of the Kuparuk River basin, Alaska. Presented at ARCSS-LAII Science Workshop. Seattle, WA March 27 - 29. (Poster)
    16. Nelson, F.E., Shiklomanov, N.I., Mueller, G.R., Hinkel, K.M., Walker, D.A. and Bockheim, J.G. 1997. Estimating active-layer thickness over a large region: Kuparuk River Basin, Alaska, USA. Arctic, Antarctic, and Alpine Research, 29:(4):367-378. (JSTOR) (PDF)
    17. Smith, T.M., Woodward, I.A., Shugart, H.H. 1997. Plant Functional Types. Cambridge University Press. Cambridge, England. 369 .
    18. Walker, D. A. 1997. NDVI data for saddle snofence, 1994. Environmental Data Initiative. doi:10.6073/pasta/529ff117802b52df64e256d27af213f7
    19. Walker, D.A. 1997. A Circumpolar Arctic Vegetation Map: Statement of purpose, plan for action and an early application to Northern Alaska. Presented at 40th International Association for Vegetation Science. Ceske Budejowice, Czech Republic 18-23 August.
    20. Walker, D.A. 1997. Moist nonacidic tundra: possible causes and significance to Beringian paleoenvironments. Presented at Beringian Paleoenvironments Workshop. Florissant, CO September 20 - 23. (Oral Presentation)
    21. Walker, D.A. 1997. Climatic, topographic, and substrate controls over distribution of arctic vegetation. Presented at Extrapolation of Arctic and Boreal Processes that Feedback to Climate Workshop. Santa Barbara, CA April 6 - 9. (Oral Presentation)
    22. Walker, D.A. 1997. Mapping of northern Alaska: methodology, legend, results, problems. Presented at CAVM-North American Workshop. Anchorage, AK January 14 - 16. (Oral Presentation)
    23. Walker, D.A. 1997. Arctic Alaskan vegetation disturbance and recovery: a hierarchic approach to the issue of cumulative impacts. In: R.M.M. Crawford (eds.) Disturbance and Recovery in Arctic Lands. Kluwer Academic Publishers Publishers. Dordrecht. pp. 457-479. (Purchase book) (PDF)
    24. Walker, D.A., Auerbach, J.G., Bockheim, F.S., Chapin III, W. Eugster, J. McFadden, G.J. Michaelson, F.E. Nelson, C.L. Ping, W.S. Reeburg, S. Regli, Shiklomanov., N.I. 1997. Moist nonacidic tundra: relevance to arctic land-atmosphere fluxes, wildlife, and human dimensions of arctic systems. Presented at ARCSS-LAII Science Workshop. Seattle, WA March 27 - 29. (Oral Presentation)
    25. Walker, D.A., Auerbach, N.A., Nettleton, T.K., Gallant, A., Murphy, S.M. 1997. Happy Valley Permanent Vegetation Plots. Arctic System Science Flux Study Data Report. (PDF)
    26. Walker, D.A., Elias, S.A., Auerbach, N.A., Short, S.K. 1997. Final Report: Alpine biodiversity, Fort Richardson, Alaska. Legacy Resource Management Program Project DAMD17-93-J-3038. , 66. (PDF)
    27. Walker, D.A., M. D. Walker, A.M. Arft, J.M. Welker, M.H. Jones, J.T. Fahnstock, P.D. Brooks, T.R. Seastedt, A.N. Parsons, Turner, T.L. 1997. Long-term snow-fence experiments to examine effects of altered climate in arctic and alpine tundra. Presented at Western Snow Conference and Eastern Snow Conference. Banff, Alberta May 4 - 8. (Poster)
    28. Walker, D.A., N.A. Auerbach, Kohn, M.J. 1997. A circumpolar arctic vegetation map: statement of purpose, plan for international collaboration, and a prototype map for northern Alaska. Presented at ARCSS-LAII Science Workshop. Seattle, WA March 27 - 29. (Poster)
    29. Walker, D.A., Talbot, S.S. 1997. Toward a new circumpolar arctic vegetation map. Arctic Research of the United States, 11:80-81.

  1. 1996

    1. Astakhov, V.I., Kaplyanskaya, F.A., Tarnogradsky, V.D. 1996. Pleistocene permafrost of West Siberia as a deformable glacier bed. Permafrost and Periglacial Processes, 7:(2):165-191. (Abstract) (PDF)
    2. Auerbach, N.A., Walker, D.A. 1996. Modern Vegetation Patterns at Barrow and Barter Island: Relevance to Disturbance and Recovery, and Paleoenvironmental Studies. Presented at 26th Annual Arctic Workshop. Boulder, CO March 14 - 16. (Poster)
    3. Auerbach, N.A., Walker, D.A. 1996. An electronic hierarchic geobotanical atlas for arctic system science. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway, and Anchorage, AK, 19-24 May 1996/14-16 January 1997, Occasional Paper No. 52:26-27. (Purchase proceedings) (Oral Presentation)
    4. Begét, J.E., Hopkins, D.M., Charron, S.D. 1996. The largest known maars on Earth, Seward Peninsula, Northwest Alaska. Arctic, 49:(1):62-69. (Abstract) (PDF)
    5. Box, E.O. 1996. Plant functional types and climate at the global scale. Journal of Vegetation Science, 7:(3):309-320.
    6. Brown, J., F.E. Nelson, D.A. Walker, Marion., G.M. 1996. A Circumpolar Active Layer Monitoring (CALM) Program. Presented at Arctic System Science Flux Study Workshop. Seattle, WA February 22 - 24. (Poster)
    7. Dierssen, K. 1996. Vegetation Nordeuropas. Ulmer. Stuttgart. 838 .
    8. Duguay, C.R., Walker, D.A. 1996. Environmental modeling and monitoring with GIS: Niwot Ridge Long-Term Ecological Research Site. In: M. F. Goodchild, L.T. Steyaert, B.O. Parks, C.A. Johnston, D.R. Maidment, M. Crane, S. Glendinning (eds.), GIS and Environmental Modeling: Progress and Research Issues, pp. 219-223.
    9. Elias, S.A., Short, S.K., Walker, D.A., Auerbach, N.A. 1996. Final Report: Historical Biodiversity at Remote Air Force Sites in Alaska. Legacy Resource Management Program Project #0742. , 123. (PDF)
    10. Hamilton, T.D. 1996. Late Pleistocene stratigraphic sections from northern Alaska. In: F.H. West (eds.), American Beginnings-The Prehistory and Palaeoecology of Beringia, pp. 21-34. University of Chicago Press. Chicago, IL.
    11. Leadley, P.W., Ostendorf, L.B. and Reynolds, J.F. 1996. Road-related disturbances in an Arctic watershed: Analyses by a a spatially explicit model of vegetation and ecosystem processes. In: J.F. Reynolds and J.D. Tenhunen (eds.), Landscape Function: Implications for Ecosystem Disturbance, a Case Study in Arctic Tundra, pp. 387-415. Springer-Verlag: New York, NY.
    12. Murray, D.F., Walker, D.A. 1996. ''Tundra'' and the ''Arctic''. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway and Anchorage, AK, 19-24 May 1996/14-16 January 1997, 52:14-15. (Purchase proceedings) (Oral Presentation)
    13. Ostendorf, B., Quinn, P., Bevan, K. and Tenhunen, J.D. 1996. Hydrological controls on ecosystem gas exchange in an Arctic landscape. In: J.F. Reynolds and J.D. Tenhunen (eds.), Landscape Function and Disturbance in Arctic Tundra (pp. 370-386). Springer-Verlag: New York , NY.
    14. Walker, D.A. 1996. Method for making an integrated vegetation map of northern Alaska (1:4,000,000 scale). Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway and Anchorage, AK, 19-24 May 1996/14-16 January 1997, 52:54-61. (Purchase proceedings) (Oral Presentation)
    15. Walker, D.A. 1996. Progress since the first CAVM workshop and goals of the second. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. Arendal, Norway, and Anchorage, AK, 19-24 May 1996/14-16 January 1997, Occasional Paper No. 52:1-6. (Purchase proceedings) (Oral Presentation)
    16. Walker, D.A. 1996. Disturbance and recovery of Arctic Alaskan vegetation. In: J.F. Reynolds and J.D. Tenhunen (eds.), Landscape Function and Disturbance in Arctic Tundra (pp. 35-71). Springer-Verlag: Berlin/Heidelberg, Germany. (Purchase book) (PDF)
    17. Walker, D.A. and Markon, C.J. 1996. Circumpolar Arctic Vegetation Workshop: A compilation of abstracts and short papers presented at the Komarov Botanical Institute, St. Petersburg, Russia, March 21-25, 1994. In: D.A. Walker and C.J. Markon, Open File Report 96-251. U.S. Department of the Interior, U.S. Geological Survey, National Mapping Divisi. (Proceedings)
    18. Walker, D.A. and Walker, M.D. 1996. Terrain and vegetation of the Imnavait Creek Watershed. In: J.F. Reynolds and J.D. Tenhunen (eds.), Landscape Function: Implications for Ecosystem Disturbance, a Case Study in Arctic Tundra, pp. 73-108. Springer-Verlag: New York, NY. (Purchase book) (PDF)
    19. Walker, D.A., Auerbach, N.A., Lestak, L.R., Muller, S.V., Walker, M.D. 1996. A hierarchic GIS for studies of process, pattern, and scale in arctic ecosystems: the Arctic System Science Flux Study, Kuparuk River Basin, Alaska. Presented at ESRI ARC/INFO Users' Conference. Palm Springs, CA May 20-24. (Poster)
    20. Walker, D.A., Lillie, A.C. 1996. Proceedings of the Second Circumpolar Arctic Vegetation Mapping Workshop and the CAVM-North American Workshop. Second Circumpolar Arctic Vegetation Mapping Workshop and The CAVM-North American Workshop. 52. (PDF)
    21. Walker, D.A., M. D. Walker, N.A. Auerbach, L.R. Lestak, Muller., S. 1996. A Landsat-derived landcover map of the Kuparuk River Basin, Alaska: a component of hierarchic GIS for the study of arctic land-atmosphere interactions. Presented at Arctic System Science Flux Study Workshop. Seattle, WA February 22 - 24. (Poster)
    22. Walker, D.A., N.A. Auerbach, J.G. Bockheim, C.-L. Ping, G. Michaelson, F.E. Nelson, N.I. Shiklomanov, G.R. Mueller, F.S. Chapin III, W. Eugster, J. McFadden, K.R. Everett, L. Everett, K. Hinkel, L. Miller, W.S. Reeburgh 1996. Studies of process, pattern and scale in arctic ecosystems. AGU Fall Meeting, San Francisco, CA, December 13-16. (Oral Presentation)
    23. Walker, D.A., Walker, M.D., Auerbach, N.A., Lestak, L.R., Muller, S.V. 1996. A Hierarchic GIS for Studies of Process, Pattern and Scale for the Kuparuk River Basin: a contribution to the Arctic System Science (ARCSS) Flux Study. Presented at 26th Annual Arctic Workshop. Boulder, CO 14-16 March. (Poster)
    24. Walker, D.A., and S.S. Talbot 1996. Progress toward circumpolar arctic vegetation mapping. Presented at Alaska Surveying and Mapping Conference. Anchorage, Alaska February 5 - 9.
    25. Walker, M.D., Everett, K.R., Walker, D.A., Birkland, P.W. 1996. Soil development as an indicator of relative pingo age, Northern Alaska, USA. Arctic and Alpine Research, 28:(3):352-362. (JSTOR) (PDF)

  1. 1995

    1. Brooks, P.D., Williams, M.K., Walker, D.A., Schmidt, S.K. 1995. The Niwot Ridge snowfence experiment: biogeochemical responses to changes in the seasonal snowpack. International Association of Hydrological Sciences, 228:293-302. (PDF)
    2. Brown, J., F.E. Nelson, Walker, D.A. 1995. Circumarctic active layer monitoring (CALM): an international contribution to ITEX. Presented at 6th International Tundra Experiment (ITEX) Workshop. Ottawa, Canada April 7 - 11. (Oral Presentation)
    3. Comiso, J. 1995. SSM/I sea ice concentrations using the bootstrap algorithm. NASA Techical Report NAS 1.15:111234; NASA-TM-111234. , 53. (PDF)
    4. Elias, S.A., Short, S.K., Walker, D.A., Auerbach, N.A. 1995. Historical biodiversity, DEW line stations, Alaska. Legacy Resource Management Program Project #0742. , 58.
    5. Markon, C., Fleming, M.D., Binnian, E.F. 1995. Characteristics of vegetation phenology over the Alaskan landscape using AVHRR time-series data. Polar Record, 31:179-190.
    6. Rodwell, J.S., Pignatti, S., Mucina, L., Schaminée, J.H.J. 1995. European vegetation survey: update on progress. Reviewed in Journal of Vegetation Science, 10:(138):759-762.
    7. Shippert, M.M., Walker, D.A., Auerbach, N.A., Lewis, B.E. 1995. Biomass and leaf-area index maps derived from SPOT images for Toolik Lake and Imnavait Creek areas, Alaska. Polar Record, 31(177):147-154. doi:10.1017/S0032247400013644 (Abstract) (PDF)
    8. Svoboda, J., Freedman, B. 1995. Ecology of a Polar Oasis. Reviewed in Arctic and Alpine Research, 286. (PDF)
    9. Walker, D.A. 1995. Toward a new circumpolar arctic vegetation map: St. Petersburg workshop. Arctic and Alpine Research, 31:169-178.
    10. Walker, D.A. 1995. A review of disturbance and recovery of Arctic Alaska vegetation related to oil-field development. Presented at Disturbance and Recovery of Arctic Terrestrial Ecosystems workshop. Rovaniemi, Finland September 24 - 30. (Oral Presentation)
    11. Walker, D.A., Auerbach, N.A., Shippert, M.M. 1995. NDVI, biomass, and landscape evolution of glaciated terrain in northern Alaska. Polar Record, 31(177):169-178. doi:10.1017/S003224740001367X (Abstract) (PDF)
    12. Walker, D.A., Bay, C., Daniels, F.J.A., Einarsson, E., Elvebakk, A., Johansen, B.E., Kapitsa, A., Kholod, S.S., Murray, D.F., Talbot, S.S., Yurtsev, B.A., Zoltai, S.C. 1995. Toward a new arctic vegetation map: a review of existing maps. Journal of Vegetation Science, 6(3):427-436. doi:10.2307/3236242 (Abstract) (PDF)
    13. Walker, D.A., M. D. Walker, N.A. Auerbach, L.R. Lestak, B.E. Lewis, D.S. Schimel, Shippert, M.M. 1995. A hierarchic GIS for studies of process, pattern and scale in arctic ecosytems. Presented at ARCSS-LAII Science Workshop. Orcas Island, Washington March 1 - 5. (Oral Presentation)
    14. Walker, D.A., M. Walker, N. Auerbach, L. Lestak, B. Lewis, Rose, K. 1995. A vegetation map of the upper Kuparuk River region, Alaska: a component of a hierarchic GIS for studies of arctic land-atmosphere interactions. Presented at Tenth Annual ESRI European User Conference. Palm Springs, CA May 22 - 26.
    15. Walker, D.A., N. Auerbach, M. Walker, J. Brown, K. Everett, L. Hinzman, F. Nelson, Moskolenko, N. 1995. Monitoring change in arctic terrestrial ecosystems at multiple scales. Workshop to define research priorities for Russian Arctic land-shelf systems. Columbus, OH, January 10-12, 118-120. (Oral Presentation)
    16. Walker, D.A., Walker, M.D., Welker, J.M., Parsons, A.N., Seastedt, T.R., Lewis, B.E., Brooks, P.D. 1995. Long-term snow-fence experiments to examine effects of altered winter precipitation regimes in arctic and alpine tundra. Bulletin of the Ecological Society of America, 76:(2):276.
    17. Walker, M.D. 1995. Patterns and causes of arctic plant community diversity. In: F.S. III Chapin and C. Körner (eds.), Arctic and alpine biodiversity: patterns, causes, and ecosystem consequences (pp. 3-20). Springer-Verlag: Berlin, Germany. (PDF)
    18. Walker, M.D., Walker, D.A., Everett, K.R. 1995. Pingos as models of arctic landscape development. Bulletin of the Ecological Society of America, 76:(2):276.
    19. Welker, J.M., Parsons, A.N., Walker, M.D., Walker, D.A., Seastedt, T.R., Robinson, C.H., Wookey, P.A. 1995. Comparative responses of Dryas octopetala to simulated changes in climate from alpine, low- and high- arctic ITEX sites. Bulletin of the Ecological Society of America, 76:(2):281.
    20. Weller, G., Chapin, F.S., III, Everett, K.R., Hobbie, J.E., Kane, D.L., Oechel, W.C., Ping, C.L., Reeburgh, W.S., Walker, D.A., Walsh, J. 1995. The Arctic Flux Study: a regional view of trace gas release. Journal of Biogeography, 22:(2/3):365-374. (JSTOR) (PDF)
    21. Zhurbenko, M., Santesson, R., Walker, D.A., Auerbach, N.A., Lewis, B. 1995. New and interesting lichenicolous fungi and lichens from Alaska. Evansia, 12:92-97.

  1. 1994

    1. Auerbach, N.A., Moskalenko, N.G., Walker, D.A. 1994. Barrow DEW Line Station, Alaska, Vegetation transect study. DOD Data Report. (Legacy Management Program), 37.
    2. Babcock, C.A., Ely, C.R. 1994. Classification of vegetation communities in which geese rear broods on the Yukon-Kuskokwim Delta, Alaska. Canadian Journal of Botany, 72:(9):1294-1301.
    3. Brooks, P., Williams, M.W., Walker, D.A., Schmidt, S.K. 1994. Nitrous oxide and carbon dioxide flux from snow covered soils: responses to changes in precipitation and temperature. AGU Fall Meeting, San Francisco, December 5-9. (Poster)
    4. Chapin, F.S.I., Walker, L.R., Fastie, C.L., Sharman, L.C. 1994. Mechanisms of primary succession following deglaciation at Glacier Bay, Alaska. Ecological Monographs, 64:(2):149-175. (JSTOR) (PDF)
    5. Daniëls, F.J.A. 1994. Vegetation classification in Greenland. Journal of Vegetation Science, 5:(6):781-790. (PDF)
    6. Elvebakk, A. 1994. A survey of plan associations and alliances from Svalbard. Journal of Vegetation Science, 5:(6):791-802.
    7. Everett, K.R., Brown, J., Walker, D.A., Webber, P.J. 1994. Long-term natural recovery of development related disturbances in northern Alaska. The industrial development of the North and problem of recultivation. Syktyvkar, USSR, July 8-14.
    8. Grantz, A., May, S.D., Hart, P.E. 1994. Geology of the Arctic continental margin of Alaska. In: G. Plafker, H.C. Berg (eds.), The Geology of Alaska, (G-1), pp. 17-48. Geological Society of America. Boulder, CO.
    9. Hamilton, T.D. 1994. Late Cenozoic glaciation of Alaska. The Geology of North America, G-1:813-844.
    10. Houmark-Nielsen, M., Hansen, L., Jÿrgensen, M.E., Kronborg, C. 1994. Stratigraphy of a Late Pleistocene ice-cored moraine at Kap Herschell, Northeast Greenland. Boreas, 23:(4):505-512. (Purchase PDF)
    11. Jones, H.G., Pomeroy, J.W., Walker, D.A., Wharton, R.A. 1994. Snow ecology: a report on a new initiative. Arctic and Alpine Research, 26:(2):195-196. (Permanent link) (PDF)
    12. Jones, H.G., Pomeroy, J.W., Walker, D.A., Wharton, R.A. 1994. Snow Ecology: A Report on a New Initiative. Bulletin of the Ecological Society of America, 75:(1):29-31. (Permanent link) (PDF)
    13. Jorgenson, J.C., Joria, P.E., McCabe, T.R., Reitz, B.E., Raynolds, M.K., Emers, M., Williams, M.A. 1994. User's Guide for the land-cover map of the coastal plain of the Arctic National Wildlife Refuge.
    14. Lewis, B.E., Walker, D.A. 1994. Vegetation survey, Fort Richardson, Alaska. Alpine Biodiversity Project, 1993.
    15. Ostendorf, B. 1994. Spatial explicit modeling of arctic tundra landscapes. Thesis. University of California at Davis, San Diego State University.
    16. Shippert, M.M., D.A. Walker, N.A. Auerbach, B.E. Lewis 1994. Regional biomass and leaf-area estimates derived from satellite imagery as inputs to spatial trace-gas models for arctic tundra. Annual Ecological Society of America (ESA) Meeting: science and public policy, 75:(2):211. (Abstract)
    17. Shippert, M.M., Walker, D.A., Auerbach, N.A. 1994. Biomass and leaf-area index maps derived from SPOT images for the Toolik Lake and Imnavait Creek area, Alaska. Presented at Third Circumpolar Symposium on Remote Sensing of Arctic Environments. Fairbanks, AK 16-20 May. (Oral Presentation)
    18. Suding, P.W., Krantz, W.B., Walker, D.A., Lewis, B.E. 1994. Field Study of the Effect of Increased Snow Depth on Frost Penetration. Presented at 70th Annual Meeting of the Southwestern and Rocky Mountain Division of the American Association for the Advancement of Science. Durango, Colorado May 22 - 26. (Oral Presentation)
    19. Walker, D.A. 1994. Information: Toward a new arctic vegetation map: St. Petersburg workshop. Arctic and Alpine Research, 27:103-104. (Oral Presentation)
    20. Walker, D.A. 1994. Background and goals of the Circumpolar Arctic Vegetation Mapping Workshop. Presented at Circumpolar Arctic Vegetation Mapping Workshop. Komarov Botanical Institute, St. Petersburg, Russia March 21-25. (Oral Presentation)
    21. Walker, D.A. 1994. A hierarchic geographic information system for northern Alaska: insights toward a circumpolar arctic vegetation map. Presented at Circumpolar Arctic Vegetation Mapping Workshop. Komarov Botanical Institute, St. Petersburg, Russia March 21-25. (Oral Presentation)
    22. Walker, D.A., Auerbach, N.A., Lewis, B.E., Shippert, M.M. 1994. Remote sensing of acid and nonacid tundra regions in northern Alaska and relevance to arctic landscape succession. Presented at Third Circumpolar Symposium on Remote Sensing of Arctic Environments. Fairbanks, Alaska May 16-20. (Oral Presentation)
    23. Walker, D.A., M. D. Walker, L.R. Lestak, K.R. Everett, Webber, P.J. 1994. Application of geographic information systems to the problem of cumulative impacts in the Prudhoe Bay Oil Field, Alaska. The industrial development of the North and problem of recultivation. Syktyvkar, USSR, July 8-14, 1991, 151. (Full proceedings) (Oral Presentation)
    24. Walker, M.D., Daniels, F.J.A., Van der Maarel, E. 1994. Circumpolar arctic vegetation: Introduction and perspectives. Special Features in Journal of Vegetation Science, 5:(6):757-920. (JSTOR) (PDF)
    25. Walker, M.D., Walker, D.A., Auerbach, N.A. 1994. Plant communities of a tussock tundra landscape in the Brooks Range Foothills, Alaska. Journal of Vegetation Science, 5:(6):843-866. (JSTOR) (PDF)
    26. Walker, M.D., Walker, D.A., Auerbach, N.A. 1994. Classification and gradient analysis of upland tussock tundra vegetation, Southern Arctic Foothills, Alaska. Presented at 1994 Annual Meeting of the Ecological Society of America. Knoxville, TN August 7-11. (Oral Presentation)
    27. Walker, M.D., Webber, P.J., Arnold, E.H., Ebert-May, D. 1994. Effects of interannual climate variation on aboveground phytomass in alpine vegetation. Ecology, 75:(2):393-408. (JSTOR) (PDF)
    28. Yurtsev, B.A. 1994. The floristic division of the Arctic. Journal of Vegetation Science, 5:(6):765-776. (JSTOR) (PDF)
    29. Yurtsev, B.A. 1994. Latitudinal (zonal) and longitudinal (sectoral) phytogeographic division of the circumpolar arctic in relatin to the strucure of the vegetation map legend. Presented at Circumpolar Arctic Vegetation Mapping Workshop. Komarov Botanical Institute, St. Petersburg, Russia March 21-25.

  1. 1993

    1. Duguay, C.R., Walker, D.A. 1993. Environmental modeling and monitoring at the Niwot LTER site: an overview of recent research activities using GIS. Second International Conference/Workshop on Integrating Geographic Information Systems and Environmental Modeling. Breckenridge, CO, September. (Oral Presentation)
    2. ESRI 1993. Digital Chart of the World 1993. Environmental Systems Research Institute. Redlands, CA. . (Metadata for Data and Maps)
    3. Lewis, B.E., E.T. Price, Walker, D.A. 1993. A snow fence experiment to examine long-term ecosystem response to altered snow regimes in the Colorado alpine. Bulletin of the Ecological Society of America, 74:(2):328-329.
    4. Price, E.T., Krantz, W.B., Walker, D.A. 1993. Thermal characteristics and frost penetration rate of alpine soils with diffrential snow cover. Presented at Southwestern and Rocky Mountain Division, AAAS 69th annual meeting. Albuquerque, NM May 23 - 27.
    5. Vaikmae, R., F.A. Michel, V. I. Solomatin 1993. Morphology, stratigraphy and oxygen-isotope composition of fossil glacier ice at Ledyanaya Gora, northwest Siberia, Russia. Boreas, 22:(3):205-213. (ISI Web of Knowledge)
    6. Walker, D.A. 1993. Long-term research in the alpine: overview of the Long-Term Ecological Resarch (LTER) project and the International Tundra Experiment (ITEX). Presented at Wildlife Institute of India. Dehradun, India October 21. (Oral Presentation)
    7. Walker, D.A. 1993. Hierarchic geographic information systems: applications to alpine research, disturbance studies, and climate change. Presented at Wildlife Institute of India. Dehradun, India October 21. (Oral Presentation)
    8. Walker, D.A., Auerbach, N.A., Everett, K.R., Shippert, M.M., Walker, M.D. 1993. Large-scale disturbance features in northern Alaska affect regional carbon budgets. Bulletin of the Ecological Society of America, 74:(2):475.
    9. Walker, D.A., Halfpenny, J.C., Walker, M.D., Wessman, C. 1993. Long-term studies of snow-vegetation interactions. BioScience, 43:(5):287-301. (JSTOR) (PDF)
    10. Walker, D.A., Krantz, W.B., Lewis, B.L., Price, E.T., Tabler, R.T. 1993. Hierarchic studies of snow-ecosystem interactions: a 100-year snowpack-alteration experiment. Proceedings of the 50th Eastern Snow Conference 61st Western Snow Conference. Quebec City, Quebec, June 8-10, 407-414. (Online Proceedings) (Oral Presentation)
    11. Walker, D.A., W.B. Krantz, B.E. Lewis, E.T. Price, R.D. Tabler, M. D. Walker, Wessman, C.A. 1993. Multi-scale studies of snow-vegetation interactions in the alpine zone. Presented at International Workshop on Snow Ecology. Quebec City, Canada June 3 - 7. (Oral Presentation)

  1. 1992

    1. Astakhov, V.I. 1992. The last glaciation in West Siberia. In: A.-M. Robertsson (ed.), Quaternary Stratigraphy, Glacial Morphology and Environmental Changes (pp. 21-30). Series Ca. 81. Sveriges Geologiska Undersokning: Uppsala, Sweden.
    2. Bliss, L.C. and Matveyeva, N.V. 1992. Circumpolar arctic vegetation. In: F.S. Chapin III, R.L. Jefferies, J.F. Reynolds, G.R. Shaver, J. Svoboda and E.W. Chu (eds.), Arctic Ecosystems in a Changing Climate: An Ecophysiological Perspective, pp. 59-89. Academic Press: San Diego, CA. (WorldCat.org listing)
    3. Coates, P.A. 1992. The Trans-Alaska Pipeline Controversy: Technology, Conservation and the Frontier. Reviewed in Arctic and Alpine Research, 24:(4):363-364. (PDF)
    4. Kent, M., Coker, P. 1992. Vegetation Description and Analysis: A Practical Approach. John Wiley and Sons Ltd. New York. 363 .
    5. Meyer, K.G., Spencer, P. 1992. User's guide: Nutalo Hills digital land cover and terrain data base.
    6. Viereck, L.A., Dyrness, C.T., Batten, A.R., Wenzlick, K.J. 1992. The Alaska vegetation classification. USDA/USFS Report No. PNW-GTR-286. , 278. (PDF)
    7. Walker, D. A., Lestak, L., and Caine, N. 1992. Integrated Terrain Unit Map (ITUM) for Martinelli Slope, Niwot Ridge LTER Project Area, Colorado. Environmental Data Initiative. doi:10.6073/pasta/e268050a77bae90d2c2d98aefe98b3d6
    8. Walker, D.A. 1992. Hierarchical geographic information systems for the Arctic. Presented at International workshop on classification of circumpolar arctic vegetation. Boulder, CO March 5 - 9. (Oral Presentation)
    9. Walker, D.A., M. D. Walker, N.A. Auerbach, Lestak, L.R. 1992. A Hierarchical GIS for modeling tundra ecosystem processes. Presented at 12th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    10. Walker, M.D., Walker, D.A. 1992. Classification and gradient analysis of the Brooks Range Foothills, Alaska. Presented at International workshop on classification of circumpolar arctic vegetation. Boulder, CO March 5 - 9. (Oral Presentation)

  1. 1991

    1. Auerbach, N.A., M. D. Walker, Walker, D.A., Randolph, S. 1991. Effects of road dust disturbance in arctic tundra. Presented at 11th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    2. Auerbach, N.A., Walker, M.D., Walker, D.A. 1991. Road dust disturbance in arctic tundra soils and vegetation, Alaska, USA. Presented at 21st Arctic Workshop, Alaska Quaternary Center. Fairbanks, AK . (Poster)
    3. Auerbach, N.A., Walker, M.D., Walker, D.A. 1991. Road dust disturbance in arctic tundra soils and vegetation, Alaska, USA. Presented at 42nd Annual Arctic Science Conference. Fairbanks, AK May 14-15. (Oral Presentation)
    4. Bryant, J.P., Provenza, F.P., Pastor, J., Reichardt, P.B., Clausen, T.P., du Toit, J.T. 1991. Interactions between woody plants and browsing mammals mediated by secondary metabolites. Annual Review of Ecology and Systematics, 22:431-446. (JSTOR) (PDF)
    5. McKendrick, J.D. 1991. Colonizing tundra plants to vegetate abandoned gravel pads in arctic Alaska. Advances in Ecology, 1:209-223.
    6. Shaver, G., Nadelhoffer, K.J. and Giblin, A.E. 1991. Biogeochemical diversity and element transport in a heterogeneous landscape, the North Slope of Alaska. In: M.G. Turner and R.H. Gardner (eds.), Ecological Studies, 82, Quantitative Methods in Landscape Ecology: The Analysis and Interpretation of Landscape Heterogeneity, pp. 105-125. Springer-Verlag: New York, NY.
    7. Van Cleve, K., Chapin, F.S., III, Dyrness, C.T., Viereck, L.A. 1991. Element cycling in taiga forests: state-factor control. BioScience, 41:(2):78-88. (ProQuest link) (PDF)
    8. Walker, D.A., Barry, N. 1991. Toolik Lake permanent vegetation plots: site factors, soil physical and chemical properties, plant species cover, photographs, and soil descriptions. R4D Program Data Report, 110 pp. (PDF)
    9. Walker, D.A., Everett, K.R. 1991. Loess ecosystems of northern Alaska: regional gradient and toposequence at Prudhoe Bay. Ecological Monographs, 61:(4):437-464. (Permanent link) (PDF)
    10. Walker, D.A., N.D. Lederer, L.R. Lestak, E. Binnian, Nordstrand, E.A. 1991. Prudhoe Bay Oil Field, Arco Base Camp, Geobotany and Cumulative Impacts. Presented at 11th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    11. Walker, D.A., N.D. Lederer, Lestak, L.R. 1991. Niwot Ridge/Green Lakes Valley LTER Site. Presented at 11th Annual ESRI User's Conference. Palm Springs, CA May 20 - 25. (Poster)
    12. Walker, D.A., Walker, M.D. 1991. History and pattern of disturbance in Alaskan Arctic terrestrial ecosystems: A hierarchical approach to analysing landscape change. Journal of Applied Ecology, 28:(1):244-276. (JSTOR) (PDF)
    13. Walker, D.A., Walker, M.D. 1991. Hierarchical GIS for analyzing ecosystem processes and climate change in the Alaskan Arctic. Presented at 21st Arctic Workshop, Mesoscale Modeling. Fairbanks, AK May 16 - 18. (Oral Presentation)
    14. Walker, D.A., Walker, M.D., Auerbach, N.A., Lestak, L.R. 1991. A Hierarchical GIS for modeling tundra ecosystem processes. Presented at First International Conference/ Workshop on Integrating Geographic Information Systems and Environmental Modeling. Boulder, CO 15-19 September. (Poster)
    15. Walker, M.D., Walker, D.A. 1991. Toward a circumpolar vegetation classification system. Presented at 42nd Annual Arctic Science Conference. Fairbanks, AK May 14 - 15. (Oral Presentation)
    16. Walker, M.D., Walker, D.A., Everett, K.R. and Short, S.K. 1991. Steppe vegetation on south-facing slopes of pingos, central Arctic Coastal Plain, Alaska, USA. Arctic and Alpine Research, 23:170-188. (JSTOR) (PDF)

  1. 1990

    1. Auerbach, N.A., Walker, M.D., Walker, D.A., Lestak, L.R. 1990. Cumulative impact of road dust on arctic tundra: interactions among species composition, dust chemistry, and soil pH. Presented at 19th Annual Arctic Workshop. Boulder, CO March 8 - 10.
    2. Dangermond, J., Harnden, E. 1990. Map data standardization: a methodology for integrating thematic cartographic data before automation. ARC News, 12:(2):16-19. (PDF)
    3. Edlund, S. 1990. Bioclimate zones in the Canadian Archipelago. In: C.R. Harrington (eds.), Canada's Missing Dimension: Science and History in the Canadian Arctic Islands, pp. 421-441. Canadian Museum of Nature. Ottowa, CA. (WorldCat.org listing)
    4. Fetcher, N., Shaver, G.R. 1990. Environmental sensitivity of ecotypes as a potential influence on primary productivity. American Naturalist, 136:126-131. (PDF)
    5. Klinger, L.F. 1990. Global patterns in community succession. 1. Bryophytes and Forest Decline. Memoirs of the Torrey Botanical Club, 24:1-50.
    6. Slaughter, C.W., Racine, C.H., Walker, D.A., Johnson, L.A., Abele, G. 1990. Use of off-road vehicles and mitigation of effects in Alaska permafrost environments: a review. Environmental Management, 14:63-72. doi:10.1007/BF02394020 (PDF)
    7. Thannheiser, D., Geesink, B. 1990. Dryasreiche vegetationseinheiten mit besonderer berucksichtigung des westlichen Kanadischen Arktis-Archipels. In: J. Lafrenz, F.N. Nagel (eds.) Der nordatlantische Raum. Geographische Gesellschaft. Hamburg. 80 pp. 175-205.
    8. Van Patten, D.J. 1990. Soil investigation of Seward Peninsula area, Alaska.
    9. Walker, D.A. 1990. Loess ecosystems in northern Alaska. Presented at 75th Annual Ecological Society of America Meeting. Snowbird, UT July 29 - August 2. (Oral Presentation)
    10. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at 19th Annual Arctic Workshop. Boulder, CO March 8 - 10. (Poster)
    11. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at Faculty Symposium on Global Change. Boulder, CO 13-14 September. (Poster)
    12. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at International ESRI User's Conference. Palm Springs, CA 14-18 May. (Poster)
    13. Walker, D.A., Walker, M.D., Randolph, S.T., Lederer, N.D. 1990. Hierarchical GIS examining long-term landscape change at multiple scales in the Arctic Foothills, Alaska. Presented at Long-Term Ecological Research Program All Scientist Meeting. Estes Park, CO 26-29 September. (Poster)
    14. Walker, M.D. 1990. Vegetation and floristics of pingos, Central Arctic Coastal Plain, Alaska. J. Cramer. Stuttgart, Germany. 149. 283 . (Purchase book) (PDF)

  1. 1989

    1. Chapin, F.S., III 1989. Research in Arctic Life and Earth Sciences. Present Life and Future Perspectives. Reviewed in Arctic and Alpine Research, 21:(1):103-104. (JSTOR) (PDF)
    2. Edlund, S.A., Alt, B.T. 1989. Regional congruence of vegetation and summer climate patterns in the Queen Elizabeth Islands, Northwest Territories, Canada. Arctic, 42:3-23. (Abstract)
    3. Evans, B.M., Walker, D.A., Benson, C.S., Nordstrand, E.A., Petersen, G.W. 1989. Spatial interrelationships between terrain, snow distribution and vegetation patterns at an arctic foothills site in Alaska. Holarctic Ecology, 12:270-278. (JSTOR) (PDF)
    4. Oswood, M.W., Everett, K.R., Schell, D.M. 1989. Some physical and chemical characteristics of an arctic beaded stream. Holarctic Ecology, 12:290-295.
    5. Sonesson, M. 1989. Research in Arctic life and earth sciences: present knowledge and future perspectives. Reviewed in Arctic and Alpine Research, 21:(1):103-104. (JSTOR) (PDF)
    6. Thannheiser, D., Hellfritz, K.-P. 1989. Die vegetation der salzwiesen auf den Queen Charlotte Islands (Westkanada). Essener Geogr. Arbeiten, 17:153-175.
    7. Walker, D.A. 1989. Loess ecosystems of northern Alaska. Presented at Ecosystem Center, Marine Biological Laboratory. Woods Hole, MA May 17. (Oral Presentation)
    8. Walker, D.A. 1989. A hierarchical approach to analyzing landscape change. Presented at LTER GIS training session. Boulder, CO September 23. (Oral Presentation)
    9. Walker, D.A. 1989. A hierarchical GIS approach to examine natural and anthropogenic disturbance in the Alaskan Arctic. Presented at Arctic Division of AAAS. Fairbanks, AK September. (Oral Presentation)
    10. Walker, D.A., Binnian, E., Evans, B.M., Lederer, N.D., Nordstrand, E., Webber, P.J. 1989. Terrain, vegetation and landscape evolution of the R4D research site, Brooks Range Foothills, Alaska. Holarctic Ecology, 12:(3):238-261. (JSTOR) (PDF)
    11. Walker, D.A., J.C. Halfpenny, L.D. Lederer, M. D. Walker, L. Ayers, Wessman, C.A. 1989. A hierarchical GIS to examine long-term snow-biosystem interactions in the Colorado alpine. Presented at 1989 ESRI Users Conference. Palm Springs, CA May 22 - 26. (Third place in the Analytical Division of the Poster Competition) (Poster)
    12. Walker, D.A., L.M. Ayers, N.Caine, J.C. Halfpenny, N.D. Lederer, M. D. Walker, Wessman, C.A. 1989. GIS methods for detecting long-term change in the Colorado alpine. Presented at Fourth Annual Landscape Ecology Symposium. Fort Collins, CO March 15 - 18. (Oral Presentation)
    13. Walker, D.A., L.M. Ayers, N.Caine, J.C. Halfpenny, N.D. Lederer, M. D. Walker, Wessman, C.A. 1989. Cumulative impacts in northern Alaska. Presented at Sigma Xi. University of Colorado February 7. (Oral Presentation)
    14. Walker, D.A., Lederer, N.D., Walker, M.D., Binnian, E., Everett, K.R., Nordstrand, E., Webber, P.J. 1989. Impacts of petroleum development in the Arctic: Response. Science, 245:764-765. (JSTOR) (PDF)
    15. Walker, M.D., Walker, D.A., Everett, K.R. 1989. Wetland soils and vegetation, Arctic Foothills, Alaska. Biological Report. 7(89), 89.
    16. Wessman, C.A., Ayers, L., Walker, D.A. 1989. Remotely sensed pattern to system process in the Front Range. Presented at Program review for the Cooperative Institute for Research in Environmental Sciences. Boulder, CO June 8. (Poster)
    17. Wessman, C.A., Walker, D.A., Walker, M.D. 1989. Remotely sensed pattern to process in the Front Range alpine. Presented at Fourth Annual Landscape Ecology Symposium. Fort Collins, CO 15-18 March. (Oral Presentation)

  1. 1988

    1. Ellenberg, H. 1988. Vegetation Ecology of Central Europe. Cambridge University Press. Cambridge. 731 .
    2. Fujino, K., Sato, S., Matsuda, K., Sada, G., Shimizu, O., Kato, K. 1988. Characteristics of the massive ground ice body in the western Canadian Arctic. Fifth International Conference on Permafrost. Trondheim, Norway, August 1988, 1:143-147.
    3. Petrovsky, V.V. 1988. Vascular plants of Wrangel Island (Conspectus of the flora).
    4. St. Onge, D.A., McMartin, I. 1988. Geomorphology of arctic glacial landforms and buried glacier ice. Geological Association of Canada. Canada, May, 14:A131.
    5. Thannheiser, D. 1988. Eine landschaftsökologische studie bei Cambridge Bay, Victoria Island, N.W.T., Canada. Geographischen Gesellschaft, 78:1-51.
    6. Walker, D.A. 1988. Terrain and vegetation types of the Sagavanirktok Quadrangle, Alaska. NASA-Ames University Consortium Final Report, 56 pp.
    7. Walker, D.A., Benson, C.S., Evans, B.M. 1988. Application of GIS to spatial analysis of terrain-snow-vegetation interactions. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    8. Walker, D.A., Lederer, N.D., Walker, M.D., Nordstrand, E.A., Binnian, E., Evans, B.M., Peterson, G.W., Benson, C.S. 1988. An R4D geographic information system. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    9. Walker, D.A., Walker, M.D., Lederer, N.D. 1988. Terrain and vegetation classification of the DOE R4D Imnavait Creek site. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    10. Walker, M.D., Walker, D.A., Acevedo, W. 1988. Comparison of community and regional ordinations in the northern Brooks Range foothills. Presented at Third Annual Landscape Ecology Symposium; Observations across Scales: Function and Management of Landscapes. Albuquerque, NM 16-19 March. (Oral Presentation)
    11. Walker, M.D., Walker, D.A., Acevedo, W. 1988. Vegetation and environmental interactions at two scales on the North Slope of Alaska. Presented at 17th Annual Arctic Workshop. Boulder, CO 14-16 April. (Poster)
    12. Walker, M.D., Walker, D.A., Acevedo, W. 1988. Hierarchical gradient analysis of northern Alaska landscapes: understanding vegetation-environmental interactions at macro- and mesoscales. Final report to NASA Ames Research Center under NASA Ames University Consortium Agreement NCA2-106.

  1. 1987

    1. Acevedo, W., Walker, D.A. 1987. Vegetation and land cover, Beechey Point, Alaska. 1:250000. U.S. Geological Survey, Washington, D.C..
    2. Barbour, M.G., Burk, J.H., Pitts, W.D., Gilliam, F.S., Schwartz, M.W. 1987. Terrestrial Plant Ecology. Benjamin/Cummings. Menlo Park. 688 . (PDF)
    3. Barry, R.G., Chorley, R.J. 1987. Atmosphere, Weather and Climate. Methuen. New York. 460 . (GoogleBooks)
    4. Evans, B.M., Walker, D.A., Benson, C., Peterson, G., Webber, P.J., Day, R.L., Nordstrand, E. 1987. Use of a multilayered digital database to determine interrelationships between landform geometry, vegetation and climate in an arctic foothills landscape. Presented at American Institute of Biological Sciences and Ecological Society of America. Columbus, OH 10-13 August. (Oral Presentation)
    5. Jongman, R.H.G., ter Braak, C.J.F., van Tongeren, O.F.R. 1987. Data Analysis in Community and Landscape Ecology. Pudoc. Wageningen. 299 .
    6. McGraw, J.B. 1987. Experimental ecology of Dryas octopetala ecotypes. IV. Fitness response to reciprocal transplanting in ecotypes with differing plasticity. Oecologia, 73:465-468. (PDF)
    7. McGraw, J.B. 1987. Experimental ecology of Dryas octopetala ecotypes. V. Field photosynthesis of reciprocal transplants. Holarctic Ecology, 10:308-311. (PDF)
    8. Murray, D.F. & Lipkin, R. 1987. Candidate threatened and endangered plants of Alaska with comments on other rare plants.
    9. Nams, M.L.N., Freedman, B. 1987. Ecology of heath communities dominated by Cassiope tetragona at Alexandra Fiord, Ellesmere Island, Canada. Holarctic Ecology, 10:22-32.
    10. Racine, C.H., Johnson, L.A., Viereck, L.A. 1987. Patterns of vegetation recovery after tundra fires in northwestern Alaska, U.S.A.. Arctic and Alpine Research, 19:(4):461-469. (Editors: Salzberg, K. A., Fridriksson, S., Webber, P. J.)
    11. Walker, D.A. 1987. Height and growth-ring response of Salix lanata ssp. richardsonii along the coastal temperature gradient of northern Alaska. Canadian Journal of Botany, 65(5):988-993. doi:archpress.com/doi/abs/10.1139/b87-136 (Abstract) (PDF)
    12. Walker, D.A., Acevedo, W. 1987. Vegetation and a Landsat-derived land cover map of the Beechey Point Quadrangle, Arctic Coastal Plain, Alaska. CRREL Report 87-5. , 63 (plus Map L-0211).
    13. Walker, D.A., Cate, D., Brown, J., Racine, C. 1987. Disturbance and recovery of arctic Alaskan tundra terrain: a review of recent investigations. CRREL Report 87-11. , 63.
    14. Walker, D.A., Everett, K.R. 1987. Road dust and its environmental impact on Alaskan taiga and tundra. Arctic and Alpine Research, 19:(4):479-489. (JSTOR) (PDF)
    15. Walker, D.A., Lederer, N.D. 1987. Toposequence study: site factors, soil physical and chemical properties and plant species cover. R4D Program Data Report, 29.
    16. Walker, D.A., Lederer, N.D., Walker, M.D. 1987. Permanent vegetation plots (Imnavait Creek): site factors, soil physical and chemical properties, and plant species cover. R4D Program Data Report, 43 pp. (PDF)
    17. Walker, D.A., Webber, P.J., Binnian, E.F., Everett, K.R., Lederer, N.D., Nordstrand, E.A., Walker, M.D. 1987. Cumulative Impacts of Oil Fields on Northern Alaskan Landscapes. Science, 238:(4828):757-761. (Permanent link) (PDF)
    18. Walker, D.A., Webber, P.J., Lederer, N.D., Walker, M.D. 1987. Terrain and vegetation of the Department of Energy R4D research site, Imnavait Creek, Alaska: I. Classification and mapping. R4D Program Data Report. , 40 pages + appendices.
    19. Walker, M.D., Walker, D.A. 1987. Importance of landscape focal points in maintaining regional diversity: a case study of the northern Alaskan pingos. Presented at Second Annual Symposium, Regional Association, International Association for Landscape Ecology. Charlotte, NC March 9 - 11. (Oral Presentation)
    20. de Molenaar, J.G. 1987. An ecohydrological approach to floral and vegetational patterns in arctic landscape ecology. Seventh Conference of the Comité Arctique International. Reykjavik, Iceland, 7-13 September, 19:414-424.

  1. 1986

    1. Blake, G.R., Hartge, K.H. 1986. Bulk density. Methods of Soil Analysis. Part 1. Physical and Mineralogical Methods, 363-376.
    2. Cooper, D.J. 1986. Arctic-alpine tundra vegetation of the Arrigetch Creek Valley, Brooks Range, Alaska. Phytocoenologia, 14:467-555.
    3. Gee, G.W., Bauder, J.W. 1986. Particle size analysis. In: A. Klute (eds.), Methods of soil analysis. Part 1. Physical and mineralogical methods. Agronomy Society of America and Soil Science Society of America. Madison, WI.
    4. Hamilton, T.D. 1986. Late Cenozoic glaciation of the Central Brooks Range. In: Hamilton, T.D., Reed, K.M., Thorson, R.M. (eds.) Glaciation in Alaska: the Geologic Record. Alaska Geological Society. Anchorage. pp. 9-49. (PDF)
    5. Hamilton, T.D., Reed, K.M., Thorson, R.M. 1986. Glaciation in Alaska: The Geologic Record. Glaciation in Alaska: The Geologic Record, 265. (WorldCat.org listing)
    6. Olson, R., Hastings, R., Geddes, F. 1986. Northern Ecology and Resource Management: Memorial Essays Honouring Don Gill. Reviewed in Arctic and Alpine Research, 18:(1):127-128.
    7. Rannie, W.F. 1986. Summer air temperature and number of vascular species in arctic Canada. Arctic, 39:133-137. (Abstract)
    8. Slaughter, C.W., Johnson, L.A., Racine, C.H., Walker, D.A., Abele, G. 1986. Environmental response to off-road vehicle (ORV) use in permafrost affected landscapes. Presented at Seventh Conference of the Comité Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Rejkavik, Iceland September 7 - 13. (Poster)
    9. Swanson, J.D., Lehner, D., Zimmerman, J. 1986. Range survey of Nunivak Island, Alaska. Vol. II. U.S. Department of Agriculture. .
    10. Tande, G.F., Jennings, T.W. 1986. Classification and mapping of tundra near Hazen Bay, Yukon Delta National Wildlife Refuge, Alaska.
    11. Tuhkanen, S. 1986. Delimitation of climatic-phytogeographical regions at the high-latitude area. Nordia, 20:(1):105-112.
    12. Walker, D.A. 1986. Cumulative impacts in the wetlands of northern Alaska. Presented at NASA-Ames. Palo Alto, CA April 15. (Oral Presentation)
    13. Walker, D.A. 1986. Use of GIS Technology for examining cumulative impacts in the Prudhoe Bay Oilfield. Presented at North Slope Borough. Barrow, AK August 22. (Oral Presentation)
    14. Walker, D.A. 1986. Vegetation and Ecology of Northern Alaska. Presented at Denver Museum of Natural History. Denver, CO 1986. (Oral Presentation)
    15. Walker, D.A. 1986. An automated mapping approach for geobotanical maps of the DOE R4D research site near Toolik Lake, Alaska. Presented at 15th Annual Arctic Workshop. Boulder, CO April 24-26. (Poster)
    16. Walker, D.A. 1986. Roadside vegetation changes due to dust. Dalton Highway and Prudhoe Bay Spine Road, Alaska. Presented at Seventh Conference of the Comite Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Reykjavik, Iceland September 7-13. (Poster)
    17. Walker, D.A., Binnian, E.F., Lederer, N.D., Nordstrand, E.A., Meehan, R.H., Walker, M.D., Webber, P.J. 1986. Cumulative landscape impacts in the Prudhoe Bay Oil Field 1949-1983. USFWS Final Report. (PDF)
    18. Walker, D.A., Webber, P.J., Walker, M.D., Lederer, N.D., Meehan, R.H., Nordstrand, E.A. 1986. Use of geobotanical maps and automated mapping techniques to examine cumulative impacts in the Prudhoe Bay Oilfield, Alaska. Environmental Conservation, 13(2):149-160. doi:10.1017/S0376892900036754 (Abstract) (PDF)
    19. Walker, L.R., Zasada, J.C., Chapin, F.S.I. 1986. The role of life history processes in primary succession on an Alaskan floodplain. Ecology, 67:(5):1243-1253. (JSTOR) (PDF)
    20. Walker, M.D., Walker, D.A. 1986. Soil and vegetation succession on pingos, central arctic coastal plain, Alaska. Presented at Seventh Conference of the Comite Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Rejkavik, Iceland September 7-13. (Poster)
    21. Webber, P.J., Walker, D.A. 1986. Cumulative impacts and the spread of disturbance in permafrost dominated lands. Presented at Seventh Conference of the Comité Arctique International (Restoration and Vegetation Succession in Circumpolar Lands). Reykjavik, Iceland 7-13 September. (Oral Presentation)

  1. 1985

    1. Ebersole, J.J. 1985. Vegetation disturbance and recovery at the Oumalik Oil Well, Arctic Coastal Plain, Alaska. Ph.D. Thesis. University of Colorado, Boulder, CO, 408 pp.
    2. Eubanks, D.R., Joyce, R.J. 1985. Analysis of soil and plant extracts. Presented at 27th Rocky Mountain Conference. Denver, CO July 14-18.
    3. Fetcher, N. 1985. Effects of removal of neighboring species on growth, nutrients, and microclimate of Eriophorum vaginatum. Arctic and Alpine Research, 17:7-17. (PDF)
    4. Gorham, E., Eisenreich, S.J., Ford, J., Santelmann, M.V. 1985. The chemistry of bog waters. In: W. Stumm (eds.), Chemical processes in lakes, pp. 339-363. John Wiley & Sons. New York, NY.
    5. McGraw, J.B. 1985. Experimental ecology of Dryas octopetala ecotypes: relative response to competitors. New Phytologist, 100:(2):233-241. (JSTOR) (PDF)
    6. McGraw, J.B. 1985. Experimental ecology of Dryas octopetala ecotypes. III. Environmental factors and plant growth. Arctic and Alpine Research, 17:(3):229-239. (PDF)
    7. Ritchie, J.C. 1985. Past and Present Vegetation of the Far Northwest of Canada. Reviewed in Arctic and Alpine Research, 17:(3):349-350. (PDF)
    8. Swanson, J.D., Schuman, M., Scorup, P.C. 1985. Range survey of the Seward Peninsula reindeer ranges, Alaska. US Department of Agriculture. , 67 pp + maps.
    9. Talbot, S.S., Fleming, M.D., Markon, C.J. 1985. Land-sat facilitated classification and vegetation reconnaissance of Yukon Delta National Wildlife Refuge, Alaska.
    10. Walker, D.A. 1985. Vegetation and environmental gradients of the Prudhoe Bay region, Alaska. CRREL Report 85-14. , 240. (PDF)
    11. Walker, D.A. 1985. Illustrated surface-form and vegetation legend for geobotanical mapping of the Arctic Coastal Plain of northern Alaska.
    12. Walker, D.A., Lederer, N.D. 1985. Summer 1983 observations at the Prudhoe Bay experimental seawater spill sites three years after the spills. Attachment I. In: P.J. Webber, D. A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH. pp. 13.
    13. Walker, D.A., Lederer, N.D., Walker, M.D. 1985. Observations at the Prudhoe Bay Rolligon Site seven years following the test. Attachment G. Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. .
    14. Walker, D.A., N.D. Lederer, Walker, M.D. 1985. Vegetation changes at permanent transects along the Dalton Highway and the Prudhoe Bay Spine Road. Attachment F. In: P.J. Webber, D. A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH.
    15. Walker, D.A., Walker, M.D., Everett, K.R., Webber, P.J. 1985. Pingos of the Prudhoe Bay region. Arctic and Alpine Research, 17:(3):321-336. (JSTOR) (PDF)
    16. Walker, D.A., Walker, M.D., Lederer, N.D. 1985. 1983 Observations at the Prudhoe Bay and Franklin Bluffs hydrocarbon spill sites. Attachment H. In: P.J. Webber, D. A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH. pp. 22.
    17. Walker, D.A., Walker, M.D., Webber, P.J. 1985. Vegetation analysis of the DOE/R4D research site. R4D Program Data Report.
    18. Walker, D.A., Webber., P.J. 1985. Vegetation analysis and mapping of the R4D research site.
    19. Walker, M.D., Walker, D.A. 1985. The application of detrended correspondence analysis to Landsat-assisted vegetation mapping of the Sagavanirktok Quadrangle, Alaska. Phase I - Ordination of sample sites and vegetation sites.
    20. Webber, P.J., Walker, D.A., Komárková, V., Ebersole, J.J. 1985. Baseline monitoring methods and sensitivity analysis of Alaskan arctic tundra.

  1. 1984

    1. Bates, R.L., Jackson, J.A. 1984. Dictionary of Geological Terms. Anchor Press/Doubleday. Garden City, New York. 571 .
    2. Dargie, T.C.D. 1984. On the integrated interpretation of indirect site ordinations: a case study using semi-arid vegetation in southeastern Spain. Vegetatio, 30:15-32. doi:10.1007/BF00039980
    3. Ellis, J.M., Calkin, P.E. 1984. Chronology of Holocene glaciation, central Brooks Range, Alaska. Geological Society of America Bulletin. (95), 897-912.
    4. Gabriel, H.W., Talbot, S.S. 1984. Glossary of landscape and vegetation ecology for Alaska. Technical Report. (10). (PDF)
    5. Jorgenson, M.T. 1984. The response of vegetation to landscape evolution on glacial till near Toolik Lake, Alaska. International Symposium, Society of American Foresters Regional Technical Conference. Fairbanks, AK, 23-26 July, 134-141.
    6. Noble, M.G., Lawrence, D.B., Streveler, G.P. 1984. Sphagnum invasion beneath an evergreen forest canopy in southeastern Alaska. The Bryologist, 87:119-127.
    7. Walker, D.A. 1984. Permafrost: Fourth International Conference, Proceedings. Reviewed in Arctic and Alpine Research, 16:(1):127-128. (JSTOR) (PDF)
    8. Walker, D.A., Cate, D., Brown, J. 1984. Disturbance and recovery of Arctic Alaskan tundra terrain: a summary of recent CRREL research. CRREL Report. , 177.
    9. Walker, D.A., Lederer, N.D. 1984. 1984 ground reference data in support of the North Slope Borough's mapping effort in northern Alaska. Final report to the Environmental Systems Research Institute. AGC Final Report. University of Alaska Fairbanks, Fairbanks, AK, 83 pp.
    10. Walker, D.A., M. D. Walker, N.D. Lederer, Webber, P.J. 1984. The use of geobotanical maps and automated mapping techniques to study the historical changes in the Prudhoe Bay oil field, Alaska.
    11. Walker, D.A., Walker, M.D., Everett, K.R., Webber, P.J. 1984. The puzzling pingos of Prudhoe Bay. Presented at 13th Annual Arctic Workshop. Boulder, CO March 15-17. (Poster)

  1. 1983

    1. Brown, J., Kreig, R.A. 1983. Guidebook to permafrost and related features along the Elliot and Dalton highways, Fox to Prudhoe Bay, Alaska. Division of Geological and Geophysical Surveys. Fairbanks, AK. 4. 230 . (Print copy) (PDF)
    2. Fetcher, N. 1983. Optimal life-history characteristics and vegetative demography in Eriophorum vaginatum. Journal of Ecology, 71:561-570. (PDF)
    3. Fetcher, N., Shaver, G.R. 1983. Life histories of tillers of Eriophorum vaginatum in relation to tundra disturbance. Journal of Ecology, 71:131-147. (PDF)
    4. Glaser, P.H. 1983. Vegetation patterns in the North Black River peatland, northern Minnesota. Canadian Journal of Botany, 61:2085-2104.
    5. Klinger, L.F., Walker, D.A., Walker, M.D., Webber, P.J. 1983. The effects of a gravel road on adjacent tundra vegetation. In: U.S. Army Corps of Engineers (eds.), Prudhoe Bay Waterflood Project Environmental Monitoring Program 1982, pp. 162. U.S. Army Corps of Engineers, Anchorage, AK.
    6. Klinger, L.F., Walker, D.A., Webber, P.J. 1983. The effects of gravel roads on Alaskan Arctic Coastal Plain tundra. Fourth International Conference on Permafrost. Fairbanks, AK, 17-22 July, 628-633. (Poster)
    7. McGraw, J.B., Antonovics, J. 1983. Experimental ecology of Dryas octopetala ecotypes. I. Ecotypic differentiation and life-cycle stages of selection. Journal of Ecology, 71:879-897. (PDF)
    8. McGraw, J.B., Antonovics, J. 1983. Experimental ecology of Dryas octopetala ecotypes. II. A demographic model of growth, branching and fecundity. Journal of Ecology, 71:899-912. (PDF)
    9. Moses, T.A., Walker, D.A. 1983. Chapter 6: Surface hydrology. In: D.M. Troy (ed.) Prudhoe Bay Unit-Eileen West End Environmental Studies Program, Summer 1982. LGL Alaska Research Associates, Inc.: Fairbanks, AK. pp. 14.
    10. Simmons, C.L., Everett, K.R., Walker, D.A., Linkins, A.E., Webber, P.J. 1983. Sensitivity of plant communities and soil flora to seawater spills, Prudhoe Bay, Alaska. CRREL Report. , 35. (PDF)
    11. Talbot, S.S. 1983. Field Notes on Plant Communities in Alaska.
    12. Walker, D.A. 1983. A hierarchical tundra vegetation classification especially designed for mapping in northern Alaska. Fourth International Conference on Permafrost. Fairbanks, AK, 17-22 July, 1332-1337. (PDF of all presentations) (Oral Presentation)
    13. Walker, D.A., Everett, K.R., Webber, P.J. 1983. Chapter 2: Geobotany. In: D.M. Troy (eds.) Prudhoe Bay Unit-Eileen West End Environmental Studies Program, Summer 1982. LGL Research Associates, Inc. Fairbanks, AK. pp. 77.
    14. Walker, D.A., Lederer, N.D. 1983. Vegetation aerial and ground reference data for the Noatak and Kotzebue 1:250,000-scale quadrangles. Report to Environmental Systems Research Institute. , 56.
    15. Walker, D.A., Webber, P.J., Everett, K.R. 1983. 1:63,360-scale geobotanical mapping in the Arctic National Wildlife Refuge. Final report to the U.S. Army Cold Regions Research and Engineering Laboratory.

  1. 1982

    1. Acevedo, W., Walker, D.A., Gaydos, L., Wray, J. 1982. Vegetation and land cover Arctic National Wildlife Refuge, Coastal Plain Alaska. 1:250,000, Department of the Interior. Washington, D.C..
    2. Burns, S.J., Tonkin, P.J. 1982. Soil-geomorphic models and the spatial distribution and development of alpine soils. In: C.E. Thorn (eds.), Space and Time in Geomorphology, pp. 25-43. Allen and Unwin. London, UK.
    3. Clymo, R.S., Hayward, P.M. 1982. The ecology of Sphagnum. In: A. J. F. Smith (ed.), Bryophyte ecology, pp. 229-289. Chapman and Hall: London-New York.
    4. Daniëls, F.J.A. 1982. Vegetation of the Angmagssalik District, Southeast Greenland, IV. Shrub, dwarf shrub and terricolous lichens. Meddelelser om Grønland, Bioscience, 10:1-78.
    5. Edlund, S.A. 1982. Plant communities on the surficial materials of north-central District of Keewatin, Northwest Territories. Geological Survey of Canada Report No. 80-83. , 20.
    6. Elvebakk, A. 1982. Geological preferences among Svalbard plants. Inter-Nord, 16:11-31.
    7. Everett, K.R., Walker, D.A. 1982. Annotated and illustrated legend to 1981 SOHIO master maps. SOHIO Alaska Petroleum Co. , 98.
    8. Everett, K.R., Walker, D.A. 1982. Geobotanical reconnaissance of the SOHIO West (Kuparuk Field). Final report for Contract No. 81JL71. SOHIO Alaska Petroleum Co. , 35 plus appendices.
    9. Guthrie, R.D. 1982. Mammals of the mammoth steppe as paleoenvironmental indicators. In: D.M. Hopkins, J.V. Matthews Jr., C.E. Schweger, S.B. Young (eds.), Paleoecology of Beringia, pp. 307-326. Academic Press. New York, NY. (PDF)
    10. Hamilton, T.D. 1982. A late Pleistocene glacial chronology for the southern Brooks Range -- stratigraphic record and regional significance. Geological Society of America Bulletin, 93:700-716.
    11. Hamilton, T.D. 1982. Relict Pleistocene glacier ice in northern Alaska. 11th Annual Arctic Workshop. Boulder, CO, March, 25-26.
    12. Hopkins, D.M. 1982. Aspects of the paleogeography of Beringia during the late Pleistocene. In: D.M. Hopkins, J.V. Matthews Jr., C.E. Schweger, S.B. Young (eds.) Paleoecology of Beringia. Academic Press. New York. pp. 3-28.
    13. Keeney, D.R., Nelson, D.W. 1982. Nitrogen - inorganic forms. In: A.L. Page, R.H. Miller, and D.R. Keeney (eds.) Methods of soil analysis, Part II: Chemical and microbiological properties.. Madison, WI. pp. 643-698.
    14. Klinger, L.F., Walker, D.A., Webber, P.J. 1982. The effects of a gravel road on arctic coastal plain tundra. Presented at 11th Annual Arctic Workshop. Boulder, CO March 11 - 13. (Poster)
    15. Klute, A., Page, A.L. 1982. Methods of soil analysis. American Society of Agronomy: Soil Science Society of America. Madison, WI. 2nd ed. . (WorldCat.org listing)
    16. Kreig, R.A., Reger, R.D. 1982. Airphoto analysis and summary of landform and soil properties along the route of the trans-Alaska pipeline system. ADGGS Geologic Report 66. , 149.
    17. Miller, P.C. 1982. Environmental and vegetational variation across a snow accumulation area in montane tundra in central Alaska. Holarctic Ecology, 5:85-98.
    18. Nelson, D.W., Sommers, L.E. 1982. Total carbon, organic carbon and organic matter. In: A.L. Page, R.H. Miller, D.R. Keeney (eds.) Methods of Soil Analysis, Part 2. Chemical and Microbiological Properties. American Society of Agronomy: Soil Science Society of America. Madison, WI. 2nd.
    19. Ostler, W.K., Harper, K.T., McKnight, K.B., Anderson, D.C. 1982. The effects of increasing snowpack on a subalpine meadow in the Uinta Mountains, Utah, U.S.A.. Arctic and Alpine Research, 14:203-214.
    20. Page, A.L., Miller, R.H., Keeney, D.R. 1982. Methods of soil analysis, Part 2. Chemical and microbiological properties. American Society of Agronomy, Inc. and Soil Science Society of America, Inc. Madison, WI. 1159 .
    21. Simmons, C.L., Walker, D.A., Webber, P.J. 1982. Sensitivity of selected plant communities to seawater spills, Prudhoe Bay, Alaska. Presented at 11th Annual Arctic Workshop. Boulder, CO March 11 - 13. (Poster)
    22. Thomas, G.W. 1982. Exchangeable cations. In: A.L. Page, R.H. Miller, D.R. Keeney (eds.) Methods of soil analysis, Part 2. Chemical and microbiological properties. American Society of Agronomy and Soil Science Society of America. Madison, WI..
    23. Walker, D.A., Acevedo, W., Webber, P.J. 1982. A LANDSAT classification and vegetation map of the northern portion of the Arctic National Wildlife Refuge, Alaska. Presented at 11th Annual Arctic Workshop. Boulder, CO March 11-13. (Poster)
    24. Walker, D.A., Everett, K.R., Acevedo, W., Gaydos, L., Brown, J., Webber, P.J. 1982. Landsat-assisted environmental mapping in the Arctic National Wildlife Refuge, Alaska. CRREL Report 82-57. , 68.
    25. Walker, D.A., Everett, K.R., Acevedo, W., Gaydos, L., Brown, J., Webber, P.J. 1982. Landsat assisted environmental mapping in the Arctic National Wildlife Refuge, Alaska. In: U.S. Fish and Wildlife Service (eds.) Draft environmental impact statement and draft regulations for the proposed oil and gas exploration within the coastal plain of the Arctic National Wildlife Refuge, Alaska. Department of the Interior. Washington, D.C. pp. 829-890 with 3 maps.
    26. Walker, D.A., Everett, K.R., Webber, P.J., Moses, T.A. 1982. Geobotanical maps and surface hydrology (of the Eileen West End Development, Prudhoe Bay, AK). Final report to LGL Research Assoc., Inc., Alaska.
    27. Webber, P.J., Klinger, L.F., Walker, D.A. 1982. The effects of a gravel road on Arctic Coastal Plain tundra (Sect. G). Final report to Woodward-Clyde Consultants, Prudhoe Bay Unit Waterflood Monitoring Program.
    28. Wibbenmeyer, M., Grunblatt, J., Shea, L. 1982. User's guide for Bristol Bay land cover maps. Bristol Bay Cooperative Management Plan. , 120.
    29. Yurtsev, B.A. 1982. Relics of the xerophyte vegetation of Beringia in northeastern Asia. In: D.M. Hopkins, J.V. Matthews Jr., C.E. Schweger, S.B. Young (eds.) Paleoecology of Beringia. Academic Press. New York. pp. 157-177.

  1. 1981

    1. Barry, R.G. 1981. Mountain Weather and Climate. Methuen. London. 313 . (WorldCat.org listing)
    2. Box, E.O. 1981. Macroclimate and Plant Forms: An Introduction to Predictive Modeling in Phytogeography. Dr. W. Junk. The Hague. 258 .
    3. Everett, K.R., Walker, D.A. 1981. The landforms, vegetation and soils of the Sagavanirktok River delta region, Prudhoe Bay, Alaska. Final report for Contract No. 81JL71 to SOHIO Alaska Petroleum Co. SOHIO Alaska Petroleum Co. , 8.
    4. Everett, K.R., Walker, D.A., Webber, P.J. 1981. Prudhoe Bay oilfield geobotanical master map. Final report for Contract No. 81JL71 to SOHIO Alaska Petroleum Co. 1:6000.
    5. Glaser, P.H., Wheeler, G.A., Gorham, E., Wright, H.E., Jr. 1981. The patterned mires of the Red Lake peatland, northern Minnesota: vegetation, water chemistry and landforms. Journal of Ecology, 69:575-599.
    6. Racine, C.H. 1981. Tundra fire effects on soils and three plant communities along a hill-slope gradient in the Seward Peninsula, Alaska. Arctic, 34:71-84.
    7. Simmons, C.L., Walker, D.A., Webber, P.J., Everett, K.R. 1981. Sea-water tolerances of selected tundra plants of Prudhoe Bay, Alaska. Presented at 10th Annual Arctic Workshop. Boulder, CO March 12-14. (Poster)
    8. Simmons, C.L., Walker, D.A., Webber, P.J., Everett, K.R. 1981. Sea-water sensitivities of selected plant communities of Prudhoe Bay, Alaska. CRREL Progress Report. , 41.
    9. Walker, D.A. 1981. The vegetation and environmental gradients of the Prudhoe Bay region, Alaska. Ph.D. Thesis. University of Colorado, Boulder, CO, 484 pp (5 maps).
    10. Walker, D.A. 1981. Prudhoe Bay, Alaska. In: L.C. Bliss, O.W. Heal, J.J. Moore (eds.) Tundra ecosystems: a comparative analysis. Cambridge University Press. Cambridge, UK. pp. 766-676.
    11. Walker, D.A., Short, S.K., Andrews, J.T., Webber, P.J. 1981. Late Holocene pollen and present-day vegetation, Prudhoe Bay and Atigun River, Alaskan North Slope. Arctic and Alpine Research, 13:(2):153-172. (JSTOR) (PDF)
    12. Walker, D.A., Webber, P.J., Everett, K.R., Brown, J. 1981. Geobotanical mapping of the Prudhoe Bay region, Alaska. Presented at 19th Annual Arctic Workshop. Boulder, CO 12-14 March. (Poster)

  1. 1980

    1. Alexandrova, V.D. 1980. The Arctic and Antarctic: Their Division into Geobotanical Areas. Cambridge University Press. Cambridge. 247 . (Purchase book)
    2. Batzli, G.O. 1980. Patterns of vegetation and herbivory in arctic tundra: results from the research on arctic tundra environments (RATE) program. Arctic and Alpine Research, 12:(4):401-588.
    3. Beikman, H.M. 1980. Geologic map of Alaska Map I-357. 1:1,584,000, Department of the Interior. Washington, D.C..
    4. Chapin, F.S., III, Johnson, D.A., McKendrick, J.D. 1980. Seasonal movement of nutrients in plants of differing growth form in an Alaskan tundra ecosystem: implications for herbivory. Journal of Ecology, 68:189-209. (JSTOR) (PDF)
    5. Everett, K.R. 1980. Distribution and variability of soils near Atkasook, Alaska. Arctic and Alpine Research, 12:433-446.
    6. Gersper, P.L., Alexander, V., Barkley, L.A., Barsdate, R.J., Flint, P.S. 1980. The soils and their nutrients. In: J. Brown, P.C. Miller, L.L. Tieszen, F.L. Bunnell (eds.), An Arctic Ecosystem: The Coastal Tundra at Barrow, Alaska, pp. 219-254. Dowden, Hutchinson and Ross, Inc. Stroudsburg, PA. (Woods Hole Open Access Server) (PDF)
    7. Hamilton, T.D. 1980. Surficial geologic map of the Killik River quadrangle, Alaska. 1:250,000. U.S. Geological Survey, Washington, D.C..
    8. Hill, M.O., Gauch, H.G. 1980. Detrended correspondence analysis, an improved ordination technique. Vegetatio, 42:47-58.
    9. Komárková, V., Webber, P.J. 1980. Two Low Arctic vegetation maps near Atkasook, Alaska. Arctic and Alpine Research, 12:447-472.
    10. Simmons, C.L., Walker, D.A., Webber, P.J. 1980. Sea water tolerances of selected vegetation of Prudhoe Bay, Alaska. CRREL Progress Report, 29 pp.
    11. Walker, D.A. 1980. Haul road mapping. In: P.J. Webber (eds.), Vegetation mapping and response to disturbances in northern Alaska, pp. 72. U.S. Army Cold Regions Research and Engineering Laboratory (CRREL), Hanover, NH..
    12. Walker, D.A., Everett, K.R., Webber, P.J. 1980. Vegetation, soil and landform reconnaissance survey in the Kuparuk Oil Field. ARCO Oil and Gas Co. , 31.
    13. Walker, D.A., Everett, K.R., Webber, P.J., Brown, J. 1980. Geobotanical Atlas of the Prudhoe Bay Region, Alaska. CRREL Report 80-14, 69. (PDF - 92MB)
    14. Walker, D.A., Webber, P.J. 1980. INSTAAR/USGS/CRREL LANDSAT mapping program. CRREL Internal Report. , 52.
    15. Walker, D.A., Webber, P.J. 1980. Master maps and ecological data related to potential impacts of Project Waterflood at Prudhoe Bay, Alaska.
    16. Walker, D.A., Webber, P.J. 1980. Vegetation mapping. Environmental engineering and ecological baseline investigations along the Yukon River-Prudhoe Bay Haul Road. , 45-58.
    17. Walker, D.A., Webber, P.J. 1980. Geobotanical mapping of the SOHIO portion of the Prudhoe Bay Oil Field. SOHIO Alaska Petroleum Co. , 10.
    18. Walker, D.A., Werbe, N. 1980. Dust impacts on vegetation. Environmental engineering and ecological baseline investigations along the Yukon River-Prudhoe Bay Haul Road. , 126-127.
    19. Washburn, A.L. 1980. Geocryology: A Survey of Periglacial Processes and Environments. Halsted Press, John Wiley and Sons. New York. 406 .
    20. Webber, P.J., Miller, P.C., Chapin, F.S., III, McCown, B.H. 1980. The vegetation: pattern and succession. In: Brown, J., Miller, P.C., Tieszen, L.L., Bunnell, F.L. (eds.) An Arctic Ecosystem: The Coastal Tundra at Barrow, Alaska. Dowden, Hutchinson and Ross. Stroudsburg, PA. pp. 186-218. doi:10.1575/1912/222 (Woods Hole Open Access Server) (PDF)

  1. 1979

    1. Acevedo, W., Walker, D. 1979. Beechy Point, Alaska: vegetation and land cover. 1:250,000. U.S. Geological Survey, Fairbanks, AK.
    2. Andreyev, V.N. 1979. Botanical observations in Alaska. CRREL Draft translation 69, 29.
    3. Bell, K.L., Bliss, L.C. 1979. Autecology of Kobresia bellardii: Why winter snow accumulation limits local distribution. Ecological Monographs, 49:377-402.
    4. Dick, W.A., Tabatabai, M.A. 1979. Ion chromatographic determination of sulfate and nitrate in soils. Soil Science Society of America Journal, 43:(5):899-904. (Abstract)
    5. Ellis, J.M., Calkin, P.E. 1979. Nature and distribution of glaciers, neoglacial moraines, and rock glaciers, east-central Brooks Range, Alaska. Arctic and Alpine Research, 11:403-420. (PDF)
    6. Hamilton, T.D. 1979. Radiocarbon dates and Quaternary stratigraphic sections, Philip Smith Mountains Quadrangle, Alaska. USGS Open File Report No. 79-866, 44.
    7. Hamilton, T.D. 1979. Surficial geologic map of the Chandler Lake quadrangle, Alaska. 1:250,000. U.S. Geological Survey, Washington, D.C..
    8. Hamilton, T.D. 1979. Late Cenozoic glaciations and erosion intervals, north-central Brooks Range. In: K.M. Johnson, J.R. Williams (eds.), The United States Geological Survey in Alaska: Accomplishments during 1978, 804-B, pp. B27-B29. U.S. Geological Survey. Arlington, VA. (PDF)
    9. Holowaychuk, N., Smeck, N.E. 1979. Soils of the Chukchi-Imuruk area. In: H.R. Melchior (eds.) Biological Survey of the Bering Land Bridge National Monument. Cooperative Park Studies Unit. University of Alaska. pp. 114-192.
    10. Leverich, W.J. 1979. Age-specific survivorship and reproduction in Phlox drummondii. American Naturalist, 113:(6):881-903. (JSTOR) (PDF)
    11. Racine, C.H., Anderson, J.H. 1979. Flora and vegetation of the Chukchi-Imuruk area. Biological survey of the Bering Land Bridge National Monument , 38-113.
    12. Rieger, S., Schoephorster, D.B., Furbush, C.E. 1979. Exploratory soil survey of Alaska. Soil Conservation Service. Washington, D.C. 213 . (WorldCat.org listing)
    13. Ugolini, F.C., Mann, D.H. 1979. Biopedological origins of peatlands in southeast Alaska. Nature, 281:366-368.
    14. Walker, D.A., Bowman, K., Webber, P.J. 1979. Summer 1978 observations on Alaska tundra oil spills and rolligon test sites. CRREL Report 591, 52.
    15. Walker, D.A., Webber, P.J. 1979. Report of Yukon River to Prudhoe Bay vegetation mapping program. CRREL Internal Report, 186. (PDF)
    16. Walker, D.A., Webber, P.J. 1979. Relationship of soil acidity and air temperature to the wind and vegetation at Prudhoe Bay, Alaska. Arctic, 32:(3):224-236. (Abstract) (PDF)
    17. Walker, D.A., Webber, P.J. 1979. Salix lanata ssp. richardsonii as a climatic indicator in Northern Alaska. Presented at Arctic Workshop. Boulder, CO 4-5 May. (Poster)
    18. Webber, P.J., Komárková, V., Walker, D.A., Werbe, N. 1979. Geobotanical studies along a latitudinal gradient between the Yukon River and Prudhoe Bay, Alaska. CRREL Internal Repor, 366.

  1. 1978

    1. Abele, G., Walker, D.A., Brown, J., Brewer, M.C., Atwood, D.M. 1978. Effects of low ground pressure vehicle traffic on tundra at Lonely, Alaska. CRREL Special Report 78-16. (78-16), 63.
    2. Everett, K.R., Webber, P.J., Walker, D.A., Parkinson, R.J., Brown, J. 1978. A geoecological mapping scheme for Alaskan coastal tundra. Proceedings of the Third International Conference on Permafrost. Edmonton, Alberta, Canada, 10-13 July, 359-365. (Proceedings)
    3. Flock, J.W. 1978. Lichen-bryophyte distribution along a snow-cover-soil-moisture gradient, Niwot Ridge, Colorado. Arctic and Alpine Research, 10:31-47.
    4. Hamilton, T.D. 1978. Surficial geologic map of the Philip Smith Mountains Quadrangle, Alaska.
    5. Hrapko, J.O., LaRoi, G.H. 1978. The alpine tundra vegetation of Signal Mountain, Jasper National Park. Canadian Journal of Botany, 56:309-332.
    6. Lawson, D.E., Brown, J., Everett, K.R., Johnson, A.W., Komárková, V., Murray, B.M., Murray, D.F., Webber, P.J. 1978. Tundra disturbances and recovery following the 1949 exploratory drilling, Fish Creek, northern Alaska. CRREL Report 78-28. , 91.
    7. Walker, D.A., Webber, P.J., Everett, K.R., Brown, J. 1978. Effects of crude and diesel spills on plant communities at Prudhoe Bay, Alaska, and the derivation of oil spill sensitivity maps. Arctic, 31:(3):242-259. (Abstract) (PDF)
    8. Webber, P.J. 1978. Spatial and temporal variation in the vegetation and its productivity, Barrow, Alaska. In: L.L. Tieszen (ed.), Vegetation and Production Ecology of an Alaskan Arctic Tundra, pp. 37-112. Springer-Verlag: New York, NY. (PDF)
    9. Westhoff, V., van der Maarel, E. 1978. The Braun-Blanquet approach. In: Whittaker, R.H. (ed.) , Classification of Plant Communities, pp. 287-399. W. Junk: Den Haag, Netherlands. (PDF)
    10. Yurtsev, B.A. 1978. The Arctic Floristic Region. Nauka. Leningrad. 150 . (WorldCat.org listing)
    11. Yurtsev, B.A., Tolmachev, A.I., Rebristaya, O.V. 1978. The floristic delimitation and subdivision of the Arctic. In: B.A. Yurtsev (eds.) The Arctic Floristic Region. Nauka. Leningrad. pp. 9-104. (WorldCat.org listing)

  1. 1977

    1. Batten, A.R. 1977. The vascular floristics, major vegetation units, and phytogeography of the Lake Peters area, northeastern Alaska. M.S. Thesis. University of Alaska Fairbanks, Fairbanks, AK, 330 pp.
    2. Everett, K.R., Parkinson, R.J. 1977. Soil and landform associations, Prudhoe Bay area, Alaska. Arctic and Alpine Research, 9:1-19.
    3. Rebristaya, O.V. 1977. Flora of the East of Bolshezemelskaya Tundra. Nauka. Leningrad. .
    4. Tedrow, J.C.F. 1977. The tundra zone and its soils. In: Soils of the Polar Landscapes. Rutgers University Press: New Brunswick, NJ, pp. 145-196. (PDF)
    5. Walker, D.A. 1977. The analysis of the effectiveness of a television scanning densitometer for indicating geobotanical features in an ice-wedge polygon complex at Barrow, Alaska. M.A. Thesis. University of Colorado, Boulder, CO, 129 pp (2 maps).
    6. Walker, D.A., Everett, K.R., Webber, P.J. 1977. Observations at the Prudhoe Bay rolligon site one year following the test. Attachment G. In: P.J. Webber, D.A. Walker, V. Komárková, J.J. Ebersole (eds.) Baseline Monitoring Methods and Sensitivity Analysis of Alaskan Arctic Tundra. Cold Regions Research and Engineering Laboratory. Hanover, NH. pp. 19.
    7. Walker, D.A., Webber, P.J., Everett, K.R., Brown, J. 1977. The effects of low-pressure wheeled vehicles on plant communities and soils at Prudhoe Bay, Alaska. CRREL Special Report 77-17. , 49.
    8. Werner, P.A., Caswell, H. 1977. Population growth rates and age versus stage-distribution models for teasel (Dipsacus sylvestris Huds.). Ecology, 58:(5):1103-1111. (JSTOR) (PDF)
    9. Williams, J.R., Yeend, W.F., Carter, L.D., Hamilton, C.D. 1977. Preliminary surficial deposits map of the Natural Petroleum Reserve, Alaska. 1:500,000, Department of the Interior. Washington, D.C..

  1. 1976

    1. Black, R.F. 1976. Periglacial features indicative of permafrost: Ice and soil wedges. Quaternary Research, 6(1):3-26. doi:10.1016/0033-5894(76)90037-5 (Abstract)
    2. Matveyeva, N.V., Chernov, Y.I. 1976. The polar deserts of Taimyr Peninsula. Botanchiski Zhurnal, 61:297-312. (Abstract)
    3. Racine, C.H. 1976. Flora and vegetation. Biological survey of the proposed Kobuk Valley National Monument. , 100.
    4. Thannheiser, D. 1976. Ufer- und subpfvegetation auf dem westlichen kanadischen Arktis-Archipel und Spitzbergen. Polarforschung, 46:71-82.
    5. Walker, D.A., Webber, P.J. 1976. Vegetation mapping of selected sites along the Yukon River-Prudhoe Bay Haul Road, Alaska. CRREL Progress Report. , 46 (plus 10 maps).
    6. Webber, P.J., Walker, D.A., Komárková, V. 1976. Large scale mapping of Alaskan tundra vegetation. Presented at 27th Alaska Science Conference. Fairbanks, AK 4-7 August. (Oral Presentation)

  1. 1975

    1. Hamilton, T.D., Porter, S.C. 1975. Itkillik glaciation in the Brooks Range, northern Alaska. Quaternary Research, 5:471-497. doi:10.1016/0033-5894(75)90012-5 (Abstract)
    2. Staff, U.S.T.S.S. 1975. Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys. Soil Conservation Service, US Department of Agriculture (USDA). Washington, D.C. Agriculture Handbook No. 436. .
    3. Vitt, D.H., Crum, H., Snider, J. 1975. The vertical distribution of Sphagnum species in hummockhollow complexes in northern Michigan. Mich Bot, 14:190-200.
    4. Webber, P.J., Walker, D.A. 1975. Vegetation and landscape analysis at Prudhoe Bay, Alaska: a vegetation map of the Tundra Biome study area. In: J. Brown (ed.), Ecological investigations of the Tundra Biome in the Prudhoe Bay region, Alaska, pp. 81-91. University of Alaska Fairbanks, Fairbanks, AK. (Permanent link) (PDF)
    5. Webber, P.J., Walker, D.A., Rowley, F. 1975. Gradient analysis of plant growth forms. In: J. Brown (eds.) Ecological and limnological reconnaissances from Prudhoe Bay into the Brooks Range, Alaska. pp. 31-35. (PDF)

  1. 1974

    1. Hettinger, L.R., Janz, A.J. 1974. Vegetation and soils of northeastern Alaska. Arctic Gas Biological Report Series 21. , 206.
    2. Holowaychuk, N., Smeck, N.E. 1974. Soils of the Chukchi-Imuruk Area, Seward Peninsula, Alaska.
    3. Mueller-Dombois, L.D. Ellenberg, H. 1974. Chapter 6, Measuring Species Quantities. In: Aims and Methods of Vegetation Ecology. John Wiley and Sons. New York. pp. 67-92. (PDF)
    4. Mueller-Dombois, L.D. Ellenberg, H. 1974. Chapter 7, The Count-Plot Method and Plotless Sampling Techniques. In: Aims and Methods of Vegetation Ecology (pp. 67-92). John Wiley and Sons. New York.. (PDF)
    5. Mueller-Dombois, L.D. Ellenberg, H. 1974. Chapter 5, Community Sampling: The Relevé Method. In: Aims and Methods of Vegetation Ecology. John Wiley and Sons. New York. pp. 45-66. (PDF)
    6. Mueller-Dombois, L.D., Ellenberg, H. 1974. Aims and Methods of Vegetation Ecology. John Wiley and Sons. New York. 547 .
    7. Murray, D.F. 1974. Notes on the botany at selected localities in the Alatna and Killik River valleys, central Brooks Range, Alaska. Final Report CX-9000-3-0125 , 264 pp.
    8. Sage, B.L. 1974. Ecological distribution of birds in the Atigun and Sagavanirktok river valleys, arctic Alaska. Canadian Field-Naturalist, 88:281-291.
    9. Staff, U.S.T.S.S. 1974. Soil taxonomy of the National Cooperative Soil Survey. Soil Conservation Service. Washington, D.C. 754 .
    10. Walker, D.A., Webber, P.J. 1974. Vegetation map U.S. Tundra Biome study area, Barrow, Alaska (included in M.A. thesis of Walker (1977)).

  1. 1973

    1. Billings, W.D. 1973. Arctic and alpine vegetations: similarities, differences, and susceptibility to disturbances. BioScience, 23:697-704.
    2. Hegg, K.M., Dippold, R.M. 1973. Areas of nonforest and noncommercial forest land cover types and by topographic site for interior Alaska. USDA Forest Service Resource Bulletin PNW-47. .
    3. Schweingruber, F.H. 1973. Vegetation Studies in the West Canadian Tundra Central Banks Island - Shoran Lake. In: J. Hahn, H.-P. Uerpmann, and N.J. Conard (eds.), Excavations at Umingmak on Banks Island, N. W. T., 1970 and 1973. Preliminary Report, pp. 82-104. VML: Rahden, Germany.
    4. Webber, P.J., Walker, D.A. 1973. Vegetation maps of the Gas Arctic Test Site, Prudhoe Bay, Alaska.
    5. Westhoff, V., van der Maarel, E. 1973. The Braun-Blanquet approach. In: R.H. Whittaker (eds.) Handbook of Vegetation Science V. Ordination and Classification of Communities. Junk. The Hague. pp. 617-726.
    6. Young, S.B. 1973. Vegetation of the Noatak Valley. In: S.B. Young (eds.) , Biological Survey of the Noatak River Basin, pp. 11-24. The Center for Northern Studies, Wolcott, VT.

  1. 1972

    1. Lambert, J.D.H. 1972. Vegetation patterns in the Mackenzie Delta area, Northwest Territories. In: D.E. Kerfoot (eds.) Mackenzie delta monograph. Brock Univ., St. Catharines. Ontario. pp. 51-68.

  1. 1971

    1. Young, S.B. 1971. The vascular flora of St. Lawrence Island with special reference to floristic zonation in the arctic regions. Contributions from the Gray Herbarium, 201:11-115. (Purchase PDF)

  1. 1970

    1. Heinselman, M.L. 1970. Landscape evolution, peatland types, and the environment in the Lake Agassiz Peatlands Natural Area, Minnesota. Ecological Monographs, 40:235-261.
    2. Tolmachev, A.I. and Yurtsev, B.A. 1970. The history of the arctic flora and its relation to the history of the North Polar Sea. In: The North Polar Sea and its coast during the Cenozoic. Nauka. Leningrad..
    3. Williams, J.R. 1970. Ground water in the permafrost regions of Alaska. USGS Professional Paper. (696), 83.

  1. 1968

    1. Lambert, J.D.H. 1968. The ecology and successional trends in the Low Arctic subalpine zone of the Richardson and British Mountains of the Canadian western arctic. Ph.D. Thesis, University of British Columbia, Vancouver, 164.
    2. Whittaker, R.H., Neiring, W.A. 1968. Vegetation of the Santa Catalina Mountains, Arizona. IV. Limestone and acid soils. Journal of Ecology, 56:(2):523-544. (JSTOR) (PDF)

  1. 1966

    1. Holowaychuk, N., Petro, J., Finney, H.R., Farnham, R.S., Gersper, P.L. 1966. Soils of Ogotoruk Creek watershed. In: N. J. Wilimovsky, J. N. Wolfe (eds.), The Environment of the Cape Thompson region, Alaska, pp. 221-273. U.S. Atomic Energy Commission. Oak Ridge, TN.
    2. Igoshina, K.N. 1966. Flora of the mountain and plain tundras and open woodlands of the Ural Mts.. In: B. A. Tikhomirov (eds.) The Plants of the North of Siberia and Far East. Akad. Nauk. . Moskva, Leningrad. pp. 135-223.
    3. Johnson, A.W., Viereck, L.A., Johnson, R.E., Melchior, H. 1966. Vegetation and flora (of the Ogotoruk Valley). In: N.J. Wilimovsky (ed.) , The Environment of the Cape Thompson Region, Alaska, pp. 277-354. U.S. Atomic Energy Commission, Oak Ridge, TN. (WorldCat.org listing)
    4. Viereck, L.A. 1966. Plant succession and soil development on gravel outwash of the Muldrow Glacier, Alaska. Ecological Monographs, 36:(3):181-199.

  1. 1965

    1. Braun-Blanquet, J. 1965. Plant Sociology: The Study of Plant Communities. Hafner. London. 439 .
    2. Ferrians Jr., O.J. 1965. Permafrost map of Alaska. 1:2500000. U.S. Geological Survey, Washington, D.C..
    3. Rönning, O.I. 1965. Studies in Dryadion on Svalbard. Norsk Polarinst. Skr., 134:52.

  1. 1964

    1. Braun-Blanquet, J. 1964. Pflanzensoziologie: grundzüge der vegetationskunde. Springer: Wien, New York.
    2. Karlstrom, T.N.V., others 1964. Surficial Geology of Alaska. 1:1,584,000, Department of the Interior. Washington, D.C..
    3. Porter, S.C. 1964. Late Pleistocene glacial chronology of north-central Brooks Range, Alaska. American Journal of Science, 262:446-460.

  1. 1962

    1. Bliss, L.C. 1962. Adaptation of arctic and alpine plants. Biol. Rev., 43:481-529.
    2. Clymo, R.S. 1962. An experimental approach to part of the calcicole problem. Journal of Ecology, 50:(3):707-731. (JSTOR) (PDF)
    3. Hultén, E. 1962. Flora and vegetation of Scammon Bay, Bering Sea coast, Alaska. Svensk Botanisk Tidskrift, 56:36-50.

  1. 1961

    1. Cantlon, J.E. 1961. Plant cover in relation to macro-, meso- and micro-relief. Final Report Grants No. ONR 208 and 218, 128 pp.
    2. Mooney, H.A., Billings, W.D. 1961. Comparative physiological ecology of arctic and alpine populations of Oxyria digyna. Ecological Monographs, 31:(1):1-29. (JSTOR) (PDF)

  1. 1960

    1. Douglas, L.A., Tedrow, J.C.F. 1960. Tundra soils of arctic Alaska. Proceedings of the 7th International Congress of Soil Scientists. Madison, WI, August 22-23, V (Comm.):291-304.
    2. Koranda, J.J. 1960. The plant ecology of the Franklin Bluffs area, Alaska. Ph.D. Thesis, University of Tennessee, 235.

  1. 1959

    1. Billings, W.D., Bliss, L.C. 1959. An alpine snowbank environment and its effects on vegetation, plant development, and productivity. Ecology, 40:388-397.
    2. Klein, D.R. 1959. Saint Matthew Island reindeer-range study. Special Scientific Report, Wildlife No. 43. , 48 pp.
    3. Spetzman, L.A. 1959. Vegetation of the Arctic Slope of Alaska. USGS Professional Paper 302-B. , 19-58.

  1. 1958

    1. Detterman, R.L., Bowsher, A.L., Dutro, J.T., Jr. 1958. Glaciation on the arctic slope of the Brooks Range, northern Alaska. Arctic, 11:43-61.
    2. Jackson, M.L. 1958. Soil chemical analysis. Prentice-Hall, Inc. Englewood Cliffs, NJ. 20.
    3. Lawrence, D.B. 1958. Glaciers and vegetation in southeastern Alaska. American Scientist, Summer:89-122.

  1. 1957

    1. Bliss, L.C., Cantlon, J.E. 1957. Succession on river alluvium in northern Alaska. The American Midland Naturalist, 58(2):452-469. (JSTOR)
    2. Bray, R.J., Curtis, J.T. 1957. An ordination of the upland forest communities of southern Wisconsin. Ecological Monographs, 27(4):325-349. (JSTOR) (PDF)

  1. 1956

    1. Bliss, L.C. 1956. A comparison of plant development in microenvironments of arctic and alpine tundras. Ecological Monographs, 26(4):303-337.
    2. Cottam, C., Curtis, J.T. 1956. The use of distance measures in phytosociologial sampling. Ecology, 37:451-460. (JSTOR) (PDF)
    3. Whittaker, R.H. 1956. Vegetation of the Great Smoky Montains. Ecological Monographs, 26(1):1-80. (JSTOR) (PDF)

  1. 1955

    1. Churchill, E.D. 1955. Phytosociological and environmental characteristics of some plant communities in the Umiat region of Alaska. Ecology, 36:(4):606-627. (JSTOR) (PDF)

  1. 1954

    1. Böcher, T.W. 1954. Oceanic and continental vegetational complexes in southwest Greenland. Meddelelser om Grønland, 148:1-336.

  1. 1953

    1. Detterman, R.L. 1953. Sagavanirktok-Anaktuvuk region, northern Alaska. In: T.L. and others Péwé (eds.), Multiple Glaciation in Alaska, pp. 11-12.
    2. Hanson, H.C. 1953. Vegetation types in northwestern Alaska and comparisons with communities in other arctic regions. Ecology, 34(1):111-148. (JSTOR) (PDF)

  1. 1952

    1. Billings, W.D. 1952. The environmental complex in relation to plant growth and distribution. Quarterly Review of Biology, 27:251-265. (JSTOR) (PDF)

  1. 1951

    1. Hanson, H.C. 1951. Characteristics of some grassland, marsh, and other plant communities in western Alaska. Ecological Monographs, 21:317-378.
    2. Major, J. 1951. A functional, factorial approach to plant ecology. Ecology, 32:392-412.
    3. Polunin, N. 1951. The real Arctic: suggestions for its delimitation, subdivision and characterization. Journal of Ecology, 39:308-315. (JSTOR) (PDF)

  1. 1945

    1. Palmer, L.J., Rouse, C.H. 1945. Study of the Alaska tundra with reference to its reactions to reindeer and other grazing. Research Report 10.

  1. 1943

    1. Nordhagen, R. 1943. Sikilsdalen og Norges Fjellbeiter: en plantesosiologisk monografi. Bergens Museums Skrifter, 22.

  1. 1941

    1. Jenny, H. 1941. Factors of soil formation. McGraw Hill. New York. 281.
    2. Sorensen, T. 1941. Temperature relations and phenology of the northeast Greenland flowering plants. Meddelelser om Grønland, Bd. 125(9):1-315.

  1. 1937

    1. Hultén, E. 1937. Outline of the History of Arctic and Boreal Biota During the Quaternary Period; Their evolution during and after the glacial period as indicated by the equiformal progressive areas of present plant species. Strauss and Cramer. Germany. 168 (plus 43 plates). (WorldCat.org listing)

  1. 1936

    1. Clements, F.E. 1936. Nature and structure of the climax. Journal of Ecology, 24:252-284. (JSTOR) (PDF)
    2. Nordhagen, R. 1936. Versuch einer neuen Einteilung der subalpinen-alpinen Vegetation Norwegens. Bergens Museums Arbok. Naturvidenskapelig, 7:1-88.

  1. 1935

    1. Milne, G. 1935. Some suggested units for classification and mapping of complex soil associations, particularly for East African soils. Soil Research, 4:183-198.

  1. 1932

    1. Ellis, J.H. 1932. A field classification of soils for use in the soil survey. Sci. Agr., 12:338-345.

  1. 1928

    1. Auer, V. 1928. Some future problems of peat bog investigations in Canada. Commentations Forestales, 1:1-31.
    2. Clements, F. E. 1928. Nature and structure of the climax. Journal of Ecology, 24:252-284. (Stable URL) (PDF)

  1. 1927

    1. Vysotsky, G.N. 1927. Theses on soil and moisture (conspectus and terminology). In: Lesovedenie (eds.) Sbornik Lesnogo Obschestva v Leningrade. Leningrad. pp. 67-79 (In Russian)..

  1. 1926

    1. Gleason, H.A. 1926. The individualistic concept of the plant association. Bulletin of the Torrey Botanical Club, 53(1):7-26. (JSTOR) (PDF)

    1. Walker, D. A. . RATIC: Past and future. Towards sustainable infrastructure: environmental, technological, and societal impacts of development in the Arctic. Arctic Science Summit Week 2023. Vienna, Austria. 20 February. (Oral Presentation)

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Last modified October 19, 2021