Related Publications
2023
- 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
2022
- 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
- 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)
- 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
- 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)
- 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)
2021
- 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)
- 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
- 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)
- 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
- 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
- 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)
- 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)
- 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)
2020
- 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
- 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
- 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)
2019
- 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)
- 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)
- 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
- 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)
- 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)
- Walker, D.A. and Peirce, J.L. 2019. RATIC / T-MOSAiC Connections and Opportunities. Workshop Report to the IASC Secretariat, 2 September. (PDF)
- 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)
- 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)
- 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)
- 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)
2018
- 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
- 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)
- 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)
- 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)
- 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.
2017
- 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.
- 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)
- 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.
- 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.
- 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)
- 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.
- 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
- 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.
- 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)
- 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)
- 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
- 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
- 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)
- 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)
- 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)
- 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)
- 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.
- 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.
- 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)
- 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)
2016
- 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)
- 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)
- 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)
- 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)
- 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
- 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
- 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)
- 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)
- 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
- 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)
- Raynolds, M.K. and Walker, D.A. 2016. Increased wetness confounds Landsat-derived NDVI trends in the central Alaska North Slope region, 19852011. Environmental Research Letters, 11:085004. doi:10.1088/1748-9326/11/8/085004
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
2015
- 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)
- 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)
- 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)
- 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)
- 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)
- 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
- 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
- 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)
- 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
- 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, 5:887891. doi:10.1038/NCLIMATE2697
- 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
- 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
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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.
- 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)
2014
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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
- 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)
- 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)
- 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)
- 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)
- 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)
- 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.
- 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)
- 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)
2012
- 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.
- Walker, D.A. 2012. Cumulative Effects of Arctic Oil Development - planning and designing for sustainability. Proposal to the National Science Foundation. (PDF)
Get In Touch
The Alaska Geobotany Center is located on the West Ridge of the University of Alaska Fairbanks campus. Our office is located in room 252, on the second floor of the Arctic Health Research Building.