these are all online and keyword = atlaspub, 11/14/2012

ATLAS Related Links

ATLAS Related Publications

  • ATLAS Vegetation Studies: Seward Peninsula, Alaska 2000 [40.2 MB]
  • Bockheim, J.G., D.A. Walker, L.R. Everett, and Nelson, F.E. 1998. Soils and cryoturbation in moist nonacidic and acidic tundra in the Kuparuk river basin, arctic Alaska. Arctic and Alpine Research, 30: 166-174
  • Chapin, F.S., III, W. Eugster, J.P. McFadden, A.H. Lynch, and D.A. Walker. 2000. Summer differences among arctic ecosystems in regional climate forcing. J. Climate 13:2002-2010
  • Epstein, H.E., M.D. Walker, F.S. Chapin III and A.M. Starfield. 2000. [3.4 MB pdf] A transient, nutrient-based model of arctic plant community response to climatic warming. Ecological Applications 10(3): 824-841.
  • Epstein, H.E., F.S. Chapin III, M.D. Walker and A.M Starfield. 2001. [2.2 MB pdf] Analyzing the functional type concept in arctic plants using a dynamic vegetation model. Oikos 95: 239-252.
  • Gould, W.A., D.A. Walker, M. Raynolds, H. Maier, S. Edlund, and S. Zoltai. 2001 submitted. Canadian Arctic Vegetation Mapping. International Journal of Remote Sensing.
  • find: Jia G.J., H.E. Epstein, D.A. Walker, J.C. Burian, H. Maier, M.K. Raynolds, and S.M. Riedel, 2001, Patterns of NDVI in Arctic Tundra from Local to Circumpolar Scales. Poster for the LAII All-hand Meeting.
  • Jia, G.J., H.E. Epstein, D.A. Walker. 2002. Spatial characteristics of AVHRR-NDVI along latitudinal transects in northern Alaska. Journal of Vegetation Science. 13:315-326
  • 5Jia, G.J., H.E. Epstein and D.A. Walker. 2002. Intraseasonal patterns of AVHRR-NDVI for the arctic tundra along latitudinal gradients in northern Alaska. Submitted to International Journal of Remote Sensing.
  • Jones, M.H., J.T. Fahnestock, D.A. Walker, M.D. Walker, and J.M. Welker. 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: 373-380.
  • Markon, C.J., and Walker, D.A., 2000, Proceedings of the 3rd International Circumpolar Arctic Vegetation Mapping Workshop, U S Geological Survey Open File Report 99-551.
  • McGuire, A.D, M. Apps, J. Beringer, J. Clein, H. Epstein, D.W. Kicklighter, C. Wirth, J. Bhatti, F.S. Chapin III, B. de Groot, D. Efremov, W.Eugster, M Fukuda, T. Gower, L. Hinzman, B. Huntley, G.J. Jia, E. Kasischke, J. Melillo, V. Romanovsky, A. Shvidenko, E. Vaganov, D. Walker. 2002 In press.
    Environmental variation, vegetation distribution, carbon dynamics, and water/energy exchange in high latitudes. Journal of Vegetation Science.
  • Muller, S.V., D.A. Walker, F.E. Nelson, N.A. Auerbach, J.G. Bockheim, S. Guyer, and D. Sherba. 1998. Accuracy assessment of a landcover map of the Kuparuk River basin, Alaska: considerations for remote regions. Photogrammetric Engineering and Remote Sensing, 64: 619-628.
  • Muller, S. V., A. E. Racoviteanu and D. A. Walker, 1999 [1.5 MB pdf], Landsat MSS-derived land-cover map of northern Alansak: extrapolation methods and a comparison with photo-interpreted and AVHRR-derived maps. International Journal of Remote Sensing 20 (15,16): 2921-2946.
  • Ping, C.L., J.G. Bockheim, J.M. Kimble, G.J. Michaelson, and D.A. Walker. 1998. Characteristics of cryogenic soils along a latitudinal ransect in Arctic Alaska. Journal of Geophysical Research, 103 (D22): 28917-28928.
  • Riedel, S.M., H.E. Epstein, D.A. Walker, D.L. Richardson, M.P. Calef, E.J. Edwards, and A. Moody. Spatial and temporal heterogeneity of LAI, NDVI and aboveground net primary production for four tundra types in northern Alaska. Submitted to Arctic, Antarctic and Alpine Research.
  • Schickhoff, U., M.D. Walker, D.A. Walker. 2002 in press. Riparian willow communities on the Arctic Slope of Alaska and their environmental relationships: A classification and ordination analysis. Phytocoenologia
  • Shippert, M.M., D.A. Walker, N.A. Auerbach, and B.E. Lewis. 1995. Biomass and leaf area index maps derived from SPOT images for the Toolik Lake and Imnavait Creek Area, Alaska. Polar Record, 31:147-154.
  • Stow, D., A. Hope, W. Boynton, S. Phinn, and D. Walker. [1.1 MB pdf] 1998. Satellite-derived vegetation index and cover type maps for estimating carbon dioxide flux for arctic tundra regions. Geomorphology, 21: 313-327.
  • Walker, D.A. and K.R. Everett. 1991. Loess ecosystems of northern Alaska: alkaline tundra gradient and toposequence at Prudhoe Bay. Ecological Monographs, 6:437-464.
  • Walker, M.D., D. A. Walker, and N.A. Auerbach. 1994. Plant communties of a tussock tundra landscape, Brooks Range foothills, Alaska. Journal of Vegetation Science, 5:843-866.
  • Walker, D.A. et al. 1995. Toward a new arctic vegetation map: review of existing maps. Journal of Vegetation Science, 6:427-436.
  • Walker, D.A. and C.J. Markon (eds). 1996. Circumpolar arctic vegetation mapping workshop: abstracts and short papers. Open File Report No. 96-251, US Geological Survey, Reston, Virginia.
  • Walker, D.A. and A.C. Lillie. 1997. Proceedings of the Second Circumpolar Arctic Vegetation Mapping Workshop, Arendal, Norway, 19-24 May 1996 and the CAVM-North American Workshop, Geological Survey, Reston, Virginia, pp. 100-112.
  • Walker, D.A., J.G. Bockheim, F.S. Chapin, W. Eugster, J.Y King, J. McFadden, G.J. Michaelson. F.E. Nelson, W.C. Oechel, C.L. Ping. W.S. Reeburgh, S. Regli, N.I. Shiklomanov, and G.L. Vourlitis. [496 kb pdf] 1998. Energy and trace-gas fluxes across a soil-pH boundary in the Arctic. Nature, 394: 469-472.
  • Walker, D.A. [1.7 MB pdf] 1999. An integrated vegetation mapping approach for northern Alaska (4,000,000 scale). International Journal of Remote Sensing, 20: 2895-2920.
  • Walker, M.D., D.A. Walker, J.M. Welker, A.M. Arft, T. Bardsley, P.D. Brooks, J.T. Fahnstock, M.H. Jones, M. Losleben, A.N. Parsons, T.R. Seastedt, P.L. Turner. [800 kb pdf] 1999. Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra. Hydrological Processes, 13: 2315-2330.
  • Walker, D.A. 2000. Hierarchical subdivision of arctic tundra based on vegetation response to climate, parent material, and topography. Global Change Biology, 6: 19-34.
  • Walker, D.A., J.G. Molenaar, and W.D. Billings. 2001. Snow-vegetation interactions in tundra environments. In: Jones, H.G., J. Pomeroy, D.A. Walker, and R. Wharton (eds.) Snow Ecology. Cambridege: Cambridge University Press, pp. 264-322.
  • Walker, D.A., J.G. Bockheim, F.S. Chapin, F.E. Nelson, and C.L. Ping. [1.2 mb pdf] 2001. Calcium-rich tundra, wildlife, and the Mammoth Steppe. Quaternary Science Reviews, 20: 149-163.
  • Walker, D.A., H.E. Epstein, G.J. Jia, A. Balsar, C. Copass, E.J. Edwards, W.A. Gould, J. Holllingsworth, J. Knudson, H. Meier, A. Moody, and M.K. Raynolds. 2002 in press. Phytomass, LAI, and NDVI in northern Alaska: relationships to summer warmth, soil pH, plant functinal types and extrapolation to the circumpolar Arctic. Journal of Geophysical Research - Atmospheres.
  • Walker, D.A., W.A. Gould, M.K. Raynolds, H.A. Maier. In press, 2002. The Circumpolar Arctic Vegetation Map: Environmental controls, AVHRR-derived base maps, and integrated mapping procedures. International Journal of Remote Sensing.
  • Weller, G. F.S. Chapin, K.R. Everett, J.E. Hobbie, D. Kane, W.C. Oechel, C.L. Ping, W.S. Reeburgh, D.Walker, J. Walsh. 1995. The arctic flux study: a regional view of trace gas release. Journal of Biogeography 22, 365-374.