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.
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