D. Walker

发表

Accuracy Assessment of a Land-Cover Map of the Kuparu k River Basin, Alaska: Considerations for Remote Regions

Donald A. Walker, James G. Bockheim, Nancy A. Auerbach, 1998 .

A raster version of the Circumpolar Arctic Vegetation Map (CAVM)

Ian Olthof, Lennart Nilsen, M. Torre Jorgenson, 2019, Remote Sensing of Environment.

State of the Climate in 2018

W. Paul Menzel, Craig S. Long, Chris Derksen, 2019, Bulletin of the American Meteorological Society.

Spatial characteristics of AVHRR-NDVI along latitudinal transects in northern Alaska

Howard E. Epstein, Donald A. Walker, D. Walker, 2002 .

Relationship between satellite-derived land surface temperatures, arctic vegetation types, and NDVI

J. Comiso, D. Walker, M. Raynolds, 2008 .

NDVI patterns and phytomass distribution in the circumpolar Arctic

Donald A. Walker, H. A. Maier, Martha K. Raynolds, 2006 .

Spatial analysis of selected soil attributes across an alpine topographic/snow gradient

T. Seastedt, D. Walker, M. Iggy Litaor, 2004, Landscape Ecology.

Effects of Crude and Diesel Oil Spills on Plant Communities at Prudhoe Bay, Alaska, and the Derivation of Oil Spill Sensitivity Maps

Donald A. Walker, K. R. Everett, D. Walker, 1978 .

EFFECTS OF ROADSIDE DISTURBANCE ON SUBSTRATE AND VEGETATION PROPERTIES IN ARCTIC TUNDRA

Donald A. Walker, Nancy A. Auerbach, N. Auerbach, 1997 .

Hierarchical subdivision of Arctic tundra based on vegetation response to climate, parent material and topography

D. Walker, Donald A. Walker, 2000, Global change biology.

Winter and early spring CO2 efflux from tundra communities of northern Alaska

M. H. Jones, J. Welker, D. Walker, 1998 .

Role of Land-Surface Changes in Arctic Summer Warming

F. Chapin, L. Hinzman, J. Welker, 2005, Science.

Complexity revealed in the greening of the Arctic

Anne D. Bjorkman, Thomas C. Parker, S. Goetz, 2019, Nature Climate Change.

Biomass and leaf-area index maps derived from SPOT images for Toolik Lake and Imnavait Creek areas, Alaska

N. Auerbach, D. Walker, M. Shippert, 1995, Polar Record.

The Circumpolar Arctic vegetation map

E. S. Melnikov, W. Gould, D. Walker, 2005 .

Greening of arctic Alaska, 1981–2001

D. Walker, H. Epstein, G. Jia, 2003 .

Vegetation‐soil‐thaw‐depth relationships along a low‐arctic bioclimate gradient, Alaska: synthesis of information from the ATLAS studies

L. Hinzman, D. Walker, M. Raynolds, 2003 .

Phytomass, LAI, and NDVI in northern Alaska: Relationships to summer warmth, soil pH, plant functional types, and extrapolation to the circumpolar Arctic

W. Gould, D. Walker, M. Raynolds, 2003 .

Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions

F. Chapin, W. Oechel, G. Vourlitis, 2004 .

Spatial and Temporal Heterogeneity of Vegetation Properties among Four Tundra Plant Communities at Ivotuk, Alaska, U.S.A

D. Walker, H. Epstein, M. Calef, 2005 .

Phytomass patterns across a temperature gradient of the North American arctic tundra

D. Walker, M. Raynolds, H. Epstein, 2008 .

Circumpolar Arctic Tundra Vegetation Change Is Linked to Sea Ice Decline

C. Tucker, J. Pinzón, J. Comiso, 2010 .

Dynamics of aboveground phytomass of the circumpolar Arctic tundra during the past three decades

C. Tucker, J. Pinzón, D. Walker, 2012 .

A new estimate of tundra-biome phytomass from trans-Arctic field data and AVHRR NDVI

C. Tucker, J. Pinzón, D. Walker, 2012 .

Environment, vegetation and greenness (NDVI) along the North America and Eurasia Arctic transects

D. Walker, M. Raynolds, F. Daniëls, 2012 .

Circumpolar arctic tundra biomass and productivity dynamics in response to projected climate change and herbivory

R. Engstrom, D. Walker, H. Epstein, 2017, Global change biology.

Relationships between hyperspectral data and components of vegetation biomass in Low Arctic tundra communities at Ivotuk, Alaska

M. Buchhorn, D. Walker, H. Epstein, 2017 .

Climate change and Arctic ecosystems: 1. Vegetation changes north of 55°N between the last glacial maximum, mid‐Holocene, and present

Sandy P. Harrison, Jed O. Kaplan, Wolfgang Cramer, 2003 .

Climate change and Arctic ecosystems: 2. Modeling, paleodata‐model comparisons, and future projections

Sandy P. Harrison, Jed O. Kaplan, Wolfgang Cramer, 2003 .

Landsat MSS-derived land-cover map of northern Alaska: Extrapolation methods and a comparison with photo-interpreted and AVHRR-derived maps

Donald A. Walker, Adina Racoviteanu, S. Muller, 1999 .

Remote sensing of vegetation and land-cover change in Arctic Tundra Ecosystems

Ranga B. Myneni, Liming Zhou, Craig E. Tweedie, 2004 .

Recent dynamics of arctic and sub-arctic vegetation

Howard E. Epstein, Donald A. Walker, Isla H. Myers-Smith, 2013 .

High stocks of soil organic carbon in the North American Arctic region

Howard E. Epstein, Donald A. Walker, Vladimir E. Romanovsky, 2008 .

The Northern Eurasia Earth Science Partnership: An Example of Science Applied to Societal Needs

Shamil Maksyutov, M. Sofiev, J. Kukkonen, 2009 .

Soil Nitrogen Transformations Associated with Small Patterned‐Ground Features along a North American Arctic Transect

D. Walker, H. Epstein, C. Ping, 2012 .

Vegetation of zonal patterned‐ground ecosystems along the North America Arctic bioclimate gradient

Howard E. Epstein, Donald A. Walker, Martha K. Raynolds, 2011 .

Arctic patterned-ground ecosystems: A synthesis of field studies and models along a North American Arctic Transect

William B. Krantz, Howard E. Epstein, Donald A. Walker, 2008 .

Introduction to special section on Biocomplexity of Arctic Tundra Ecosystems

Howard E. Epstein, Donald A. Walker, J. Welker, 2008 .

Plant communities and soils in cryoturbated tundra along a bioclimate gradient in the Low Arctic, Alaska

Donald A. Walker, Martha K. Raynolds, D. Walker, 2005 .

Summer Differences among Arctic Ecosystems in Regional Climate Forcing

F. Stuart Chapin, Donald A. Walker, Werner Eugster, 2000 .

Characteristics of cryogenic soils along a latitudinal transect in arctic Alaska

Donald A. Walker, James G. Bockheim, Chien-Lu Ping, 1998 .

Polar and Alpine Tundra

F. Wielgolaski, D. Walker, 2000 .

The Greening of the Arctic IPY Project: Changes in Arctic vegetation observed from space are linked to retreating sea-ice and warmer land temperatures

D. Walker, M. Raynolds, U. Bhatt, 2008 .

Patterned-ground facilitates shrub expansion in Low Arctic tundra

D. Walker, K. Ermokhina, G. Frost, 2013 .

Influence of BRDF on NDVI and biomass estimations of Alaska Arctic tundra

M. Buchhorn, D. Walker, M. Raynolds, 2016 .

Greening of the Arctic: Synthesis and models to examine pan-Arctic vegetation change: climate, sea-ice, and terrain linkages

D. Walker, H. Epstein, C. Markon, 2008 .

The Alaska Arctic Vegetation Archive (AVA-AK)

Michael T. Lee, W. Gould, R. Hollister, 2016 .

Toward a new arctic vegetation map: a review of existing maps

B. Johansen, D. Walker, C. Bay, 1995 .

Landscape impacts of 3D‐seismic surveys in the Arctic National Wildlife Refuge, Alaska

M. Nolan, D. Walker, M. Raynolds, 2020, Ecological applications : a publication of the Ecological Society of America.

Plant communities of a tussock tundra landscape in the Brooks Range Foothills, Alaska

Donald A. Walker, Nancy A. Auerbach, N. Auerbach, 1994 .

Soil Development as an Indicator f Relative Pingo Age , Northern Alaska ,

D. Walker, M. D. Walker, P. Birkeland, 2007 .

Plant community-level mapping of arctic Alaska based on the Circumpolar Arctic Vegetation Map

D. Walker, M. Raynolds, H. Maier, 2005 .

Calcium-rich tundra, wildlife, and the "Mammoth Steppe"

F. Chapin, W. Eugster, D. Walker, 2001 .

An integrated vegetation mapping approach for northern Alaska (1:4 M scale)

D. Walker, 1999 .

Energyand trace-gas fluxesacrossasoil pHboundary in theArctic

J. Y. King, W. Oechel, G. Vourlitis, 1998 .

Soils and Cryoturbation in Moist Nonacidic and Acidic Tundra in the Kuparuk River Basin, Arctic Alaska, U.S.A.

D. Walker, F. Nelson, J. Bockheim, 1998 .

Soil Development as an Indicator of Relative Pingo Age, Northern Alaska, U.S.A.

D. Walker, M. D. Walker, P. Birkeland, 1996 .

Terrain and Vegetation of the Imnavait Creek Watershed

D. Walker, M. D. Walker, 1996 .

Geobotanical Atlas of the Prudhoe Bay Region, Alaska

D. Walker, Jerry Brown, P. Webber, 1982 .

Landsat-Assisted Environmental Mapping in the Arctic National Wildlife Refuge, Alaska,

W. Acevedo, D. Walker, Jerry Brown, 1982 .

VEGETATION AND ENVIRONMENTAL GRADIENTS OF THE PRUDHOE BAY REGION, ALASKA.

D. Walker, 1985 .

Steppe Vegetation on South-Facing Slopes of Pingos, Central Arctic Coastal Plain, Alaska, U.S.A.

D. Walker, M. D. Walker, K. Everett, 1991 .

Climate Drivers Linked to Changing Seasonality of Alaska Coastal Tundra Vegetation Productivity

C. Tucker, Jinlun Zhang, M. Steele, 2015 .

sPlot – A new tool for global vegetation analyses

Josep Peñuelas, Richard Field, Jürgen Homeier, 2019, Journal of Vegetation Science.

Spatial Heterogeneity of the Temporal Dynamics of Arctic Tundra Vegetation

D. Walker, M. Raynolds, U. Bhatt, 2018, Geophysical Research Letters.

Recent Changes in Arctic Vegetation: Satellite Observations and Simulation Model Predictions

S. Goetz, P. Beck, J. Kaplan, 2010 .

Cumulative Impacts of Oil Fields on Northern Alaskan Landscapes

D. Walker, P. Webber, K. Everett, 1987, Science.

Complexity revealed in the greening of the Arctic

Anne D. Bjorkman, Thomas C. Parker, Andrew M. Cunliffe, 2019, Nature Climate Change.

Modeling dynamics of tundra plant communities on the Yamal Peninsula, Russia, in response to climate change and grazing pressure

D. Walker, G. Frost, H. Epstein, 2010 .

A CH4 emission estimate for the Kuparuk River basin, Alaska

G. Kling, N. Auerbach, W. Reeburgh, 1998 .

Changes in timing of seasonal peak photosynthetic activity in 1 northern ecosystems 2

V. Brovkin, R. Myneni, S. Piao, 2019 .

Environmental variation, vegetation distribution, carbon dynamics and water/energy exchange at high latitudes

Brian Huntley, Eric S. Kasischke, Larry D. Hinzman, 2002 .

Vegetation biomass, leaf area index, and NDVI patterns and relationships along two latitudinal transects in arctic tundra

D. Walker, M. Raynolds, H. Epstein, 2010 .

Consequences of permafrost degradation for Arctic infrastructure – bridging the model gap between regional and engineering scales

M. Langer, D. Walker, V. Romanovsky, 2021 .

Consequences of permafrost degradation for Arctic infrastructure – bridging the model gap between regional and engineering scales

M. Langer, D. Walker, V. Romanovsky, 2020 .

Linkages between Patterned Ground , Alder Shrubland Development , and Active Layer Temperature in the Northwest Siberian Low Arctic

D. Walker, G. Frost, H. Epstein, 2015 .

Relationships of Soil Acidity and Air Temperature to the Wind and Vegetation at Prudhoe Bay, Alaska.

D. Walker, P. Webber, 1979 .

Simulating the effects of soil organic nitrogen and grazing on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia

D. Walker, H. Epstein, Qin Yu, 2009 .

Carbon dioxide fluxes in moist and dry arctic tundra during the snow-free season: responses to increases in summer temperature and winter snow accumulation

M. H. Jones, J. Welker, D. Walker, 1998 .

Disturbance and Recovery of Arctic Alaskan Vegetation

D. Walker, 1996 .

Shrub growth and expansion in the Arctic tundra: an assessment of controlling factors using an evidence-based approach

W. Gould, S. Natali, M. Loranty, 2017 .

The regional species richness and genetic diversity of Arctic vegetation reflect both past glaciations and current climate

Antoine Guisan, Miska Luoto, Niels Martin Schmidt, 2016 .

Vegetation, Biomass, NDVI, Soil, Thaw layer, Invertebrates, Decomposition, Biogeochemistry, and Turf-hummock Studies

D. Walker, M. Raynolds, Corinne A. Munger, 2004 .

Changes in timing of seasonal peak photosynthetic activity in northern ecosystems

Shilong Piao, Taejin Park, Victor Brovkin, 2019, Global change biology.

Contrasting Soil Thermal Regimes in the Forest‐Tundra Transition Near Nadym, West Siberia, Russia

D. Walker, H. Epstein, Y. Shur, 2017 .

Chapter 9 Cumulative Effects of Rapid LandCover and Land-Use Changes on the Yamal Peninsula , Russia

J. Kaplan, J. Comiso, G. Kofinas, 2010 .

The Niwot Ridge snow fence experiment: biogeochemical responses to changes in the seasonal snowpack

D. Walker, P. Brooks, S. K. Schmidt, 1995 .

The Arctic

S. Hendricks, Edward Hanna, X. Fettweis, 2020, Bulletin of the American Meteorological Society.

Fred Daniëls, Subzone A, and the North American Arctic Transect

W. Gould, D. Walker, M. Raynolds, 2008 .

Re-launch of Phytocoenologia: new profile for the classic vegetation ecology journal

P. Krestov, W. Willner, J. Dengler, 2015 .

NNA Track 1 Navigating the New Arctic: Landscape evolution and adapting to change in Ice-Rich Permafrost Systems (NNA-IRPS)

D. Walker, Pi, 2019 .

CO2 Emission and Organic Carbon Pools in Soils of the Northern Taiga Ecosystems of Western Siberia under Different Geocryological Conditions

D. Walker, G. Matyshak, I. Ryzhova, 2018, Eurasian Soil Science.

Soils Associated with Biotic Activity on Frost Boils in Arctic Alaska

D. Walker, C. Ping, G. Michaelson, 2012 .

Alaska tundra vegetation trends and their links to the large-scale climate

M. Steele, J. Pinzón, J. Comiso, 2011 .

Cross-cutting scientific issues. In: Snow Water Ice Permafrost in the Arctic (SWIPA)

Ross D. Brown, J. Walsh, J. Box, 2017 .

The n‐factor of nonsorted circles along a climate gradient in Arctic Alaska

D. Walker, V. Romanovsky, A. Kade, 2006 .

Identification of unrecognized tundra fire events on the north slope of Alaska

Guido Grosse, Benjamin M. Jones, Christopher D. Arp, 2013 .

Regional and landscape-scale variability of Landsat-observed vegetation dynamics in northwest Siberian tundra

D. Walker, G. Frost, H. Epstein, 2014 .

ROAD DUST AND ITS ENVIRONMENTAL IMPACT ON ALASKAN TAIGA AND TUNDRA

D. Walker, K. Everett, 1987 .

Long-term studies of snow-vegetation interactions

C. Wessman, D. Walker, M. D. Walker, 1993 .

Snow vegetation interactions: issues for a new initiative

J. Pomeroy, P. Marsh, D. Walker, 2001 .

Cryogenesis and soil formation along a bioclimate gradient in Arctic North America

J. Kimble, D. Walker, V. Romanovsky, 2008 .

Progress toward an Alaska prototype for the Arctic vegetation Archive: Workflow and data dictionary

D. Walker, M. Raynolds, M. D. Walker, 2014 .

A communal catalogue reveals Earth’s multiscale microbial diversity

Rick L. Stevens, William A. Walters, Nicole M. Gaudelli, 2017, Nature.

Patterned-ground plant communities along a bioclimate gradient in the High Arctic, Canada

Donald A. Walker, Martha K. Raynolds, D. Walker, 2008 .

History and pattern of disturbance in Alaskan Arctic terrestrial ecosystems : a hierarchical approach to analysing landscape change

Donald A. Walker, D. Walker, M. D. Walker, 1991 .

Soil Acidity and Exchange Properties of Cryogenic Soils in Arctic Alaska

J. Kimble, D. Walker, C. Ping, 2005 .

Greenland climate change: from the past to the future

V. Masson‐Delmotte, X. Fettweis, C. Ritz, 2012 .

Ground-Based Hyperspectral Characterization of Alaska Tundra Vegetation along Environmental Gradients

Marcel Schwieder, Howard E. Epstein, Birgit Heim, 2013, Remote. Sens..

Ecological Consequences of Sea-Ice Decline

Mark Hebblewhite, Eric Post, Ian Stirling, 2013, Science.

Distribution and drivers of ectomycorrhizal fungal communities across the North American Arctic

J. Welker, D. Walker, M. Gardes, 2012 .

LATE HOLOCENE POLLEN AND PRESENT-DAY VEGETATION, PRUDHOE BAY AND ATIGUN RIVER, ALASKAN NORTH SLOPE

J. Andrews, D. Walker, P. Webber, 1981 .

Riparian willow communities on the Arctic Slope of Alaska and their environmental relationships: A classification and ordination analysis

D. Walker, U. Schickhoff, M. D. Walker, 2002 .

Circumpolar Arctic vegetation mapping workshop

D. Walker, C. Markon, 1996 .

Rich and cold: diversity, distribution and drivers of fungal communities in patterned‐ground ecosystems of the North American Arctic

C. Nusbaum, D. Walker, I. Timling, 2014, Molecular ecology.

Arctic Alaskan Vegetation Disturbance and Recovery

D. Walker, 1997 .

Terrain, vegetation and landscape evolution of the R4D research site, Brooks Range Foothills, Alaska

Donald A. Walker, Barry Michael Evans, D. Walker, 1989 .

State of the Arctic Report.

Michael Karcher, John E. Walsh, Julienne C. Stroeve, 2006 .

Climate Change Drives Widespread and Rapid Thermokarst Development in Very Cold Permafrost in the Canadian High Arctic

Donald A. Walker, Vladimir E. Romanovsky, Dmitry Nicolsky, 2019, Geophysical Research Letters.

The Circumpolar Arctic vegetation map

Donald A. Walker, Martha K. Raynolds, Arve Elvebakk, 2005 .

Active‐layer thickness in north central Alaska: Systematic sampling, scale, and spatial autocorrelation

Kenneth M. Hinkel, Donald A. Walker, D. Walker, 1998 .

The chemical and physical characteristics of heavy metals in humus and till in the vicinity of the base metal smelter at Flin Flon, Manitoba, Canada

G. Hall, D. Walker, J. Percival, 1998 .

Vegetation and a Landsat-derived land cover map of the Beechey Point quadrangle, Arctic coastal plain, Alaska

W. Acevedo, D. Walker, 1987 .

Use of Geobotanical Maps and Automated Mapping Techniques to Examine Cumulative Impacts in the Prudhoe Bay Oilfield, Alaska

Donald A. Walker, D. Walker, M. D. Walker, 1986, Environmental Conservation.

Modeling biogeophysical interactions in nonsorted circles in the Low Arctic

D. Walker, V. Romanovsky, D. Nicolsky, 2008 .

Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions

O. Sonnentag, S. Mamet, I. Myers-Smith, 2018, Biogeosciences.

A comparative framework for broad‐scale plot‐based vegetation classification

Zoltán Botta-Dukát, Attila Lengyel, Enrico Feoli, 2015 .

Pleistocene graminoid-dominated ecosystems in the Arctic

G. Zazula, D. Walker, M. Wooller, 2011 .

Experimental Alteration of Vegetation on Nonsorted Circles: Effects on Cryogenic Activity and Implications for Climate Change in The Arctic

D. Walker, A. Kade, 2008 .

Frost‐boil ecosystems: complex interactions between landforms, soils, vegetation and climate

W. Gould, W. Krantz, D. Walker, 2004 .

Changing seasonality of panarctic tundra vegetation in relationship to climatic variables

C. Tucker, Jinlun Zhang, M. Steele, 2017 .

Circumpolar Arctic vegetation: a hierarchic review and roadmap toward an internationally consistent approach to survey, archive and classify tundra plot data

Howard E. Epstein, Marcel Buchhorn, Donald A. Walker, 2016 .

Recent Declines in Warming and Vegetation Greening Trends over Pan-Arctic Tundra

Compton J. Tucker, Jorge E. Pinzón, Howard E. Epstein, 2013, Remote. Sens..

Pan-Arctic ice-wedge degradation in warming permafrost and its influence on tundra hydrology

Anna Liljedahl, Guido Grosse, Donatella Zona, 2016 .

Estimating active-layer thickness over a large region: Kuparuk River Basin, Alaska, U.S.A

Kenneth M. Hinkel, Donald A. Walker, James G. Bockheim, 1997 .

Degradation and stabilization of ice wedges: Implications for assessing risk of thermokarst in northern Alaska

Marcel Buchhorn, Donald A. Walker, Dana R. N. Brown, 2017 .

Vegetation, plant biomass, and net primary productivity patterns in the Canadian Arctic

W. Gould, D. Walker, M. Raynolds, 2003 .

Sedimentary and geochemical characteristics of two small permafrost-dominated Arctic river deltas in northern Alaska

Carson A. Baughman, D. Walker, G. Grosse, 2018, arktos.

Spatial heterogeneity of tundra vegetation response to recent temperature changes

Howard E. Epstein, Donald A. Walker, D. Walker, 2006 .

Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra

M. H. Jones, Donald A. Walker, Timothy R. Seastedt, 1999 .

Implications of Arctic Sea Ice Decline for the Earth System

John E. Walsh, Donald A. Walker, Uma S. Bhatt, 2014 .

Energy and trace-gas fluxes across a soil pH boundary in the Arctic

W. Oechel, G. Vourlitis, W. Eugster, 1998, Nature.

Arctic shrubification mediates the impacts of warming climate on changes to tundra vegetation

D. Walker, H. Epstein, C. Little, 2016 .

Spatial and temporal patterns of greenness on the Yamal Peninsula, Russia: interactions of ecological and social factors affecting the Arctic normalized difference vegetation index

Jed O. Kaplan, Howard E. Epstein, Donald A. Walker, 2009 .

The arctic flux study: A regional view of trace gas release

W. Oechel, D. Kane, J. Walsh, 1995 .

Plant succession on glacial moraines in the Arctic Brooks Range along a >125,000-year glacial chronosequence/toposequence

D. Walker, D. Mann, F. Stuart Chapin, 2023, Arctic, Antarctic, and Alpine Research.

Conservation of Arctic Flora and Fauna (CAFF) Map No. 1.

Donald A. Walker, Martha K. Raynolds, D. Walker, 2003 .

sPlotOpen – An environmentally balanced, open‐access, global dataset of vegetation plots

Anne D. Bjorkman, Timothy J. S. Whitfeld, J. Janssen, 2020, Global Ecology and Biogeography.

Seasonal and Long-Term Changes to Active-Layer Temperatures after Tall Shrubland Expansion and Succession in Arctic Tundra

Gerald V. Frost, Howard E. Epstein, Donald A. Walker, 2018, Ecosystems.

Circumpolar Arctic Vegetation Classification

Lennart Nilsen, Howard E. Epstein, Birgit Heim, 2017 .

Increased wetness confounds Landsat-derived NDVI trends in the central Alaska North Slope region, 1985–2011

Donald A. Walker, Martha K. Raynolds, D. Walker, 2016 .

Differentiating among Four Arctic Tundra Plant Communities at Ivotuk, Alaska Using Field Spectroscopy

Howard E. Epstein, Sara N. Bratsch, Marcel Buchhorn, 2016, Remote. Sens..

A map analysis of patterned‐ground along a North American Arctic Transect

Donald A. Walker, Martha K. Raynolds, D. Walker, 2008 .

A differential frost heave model : cryoturbation-vegetation interactions

D. Walker, M. Raynolds, V. Romanovsky, 2002 .

Loess Ecosystems of Northern Alaska: Regional Gradient and Toposequence at Prudhoe Bay

D. Walker, K. Everett, 1991 .

19 Late Pleistocene environments in the Flinders Ranges, Australia: Preliminary evidence from microfossils and stable isotopes

A. Chivas, J. Shulmeister, D. Walker, 2007 .

Cumulative geoecological effects of 62 years of infrastructure and climate change in ice‐rich permafrost landscapes, Prudhoe Bay Oilfield, Alaska

Mikhail Kanevskiy, Yuri Shur, G. Kofinas, 2014, Global change biology.

Biocomplexity associated with biogeochemical cycles in arctic frost-boil ecosystems

D. Walker, C. Ping, 2001 .

Vegetation on mesic loamy and sandy soils along a 1700‐km maritime Eurasia Arctic Transect

D. Walker, M. Raynolds, K. Ermokhina, 2019, Applied vegetation science.

Use of off-road vehicles and mitigation of effects in Alaska permafrost environments: A review

D. Walker, C. Slaughter, C. Racine, 1990 .

Soils and frost boil ecosystems across the North American Arctic Transect

J. Kimble, D. Walker, H. Epstein, 2008 .

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

M. Buchhorn, D. Walker, M. Raynolds, 2022, Arctic Science.

The shifting mosaic of ice-wedge degradation and stabilization in response to infrastructure and climate change, Prudhoe Bay Oilfield, Alaska

M. Buchhorn, D. Walker, M. Raynolds, 2022, Arctic Science.

The impact of lower sea-ice extent on Arctic greenhouse-gas exchange

Søren Rysgaard, Donald A. Walker, Torben R. Christensen, 2013 .

Spatial variation and seasonal dynamics of leaf-area index in the arctic tundra-implications for linking ground observations and satellite images

L. Gough, N. Boelman, M. Loranty, 2017 .

Methods and Indicators Advances in Measuring the Environmental and Social Impacts of Environmental Programs

E. Carmack, S. Moore, J. Walsh, 2014 .

Home Atmosphere Sea Ice Ocean Land Greenland Biology Recent Changes in Vegetation

D. Walker, T. Callaghan, G. Jia, 2010 .

Circumpolar Relationships Between Permafrost Characteristics , NDVI , and Arctic Vegetation Types

D. Walker, M. Raynolds, 2008 .

Recent changes in vegetation

D. Walker, T. Callaghan, G. Jia, 2007 .

Controls over intra-seasonal dynamics of AVHRR NDVI for the Arctic tundra in northern Alaska

Howard E. Epstein, Donald A. Walker, D. Walker, 2004 .

Patterns of Change within a Tundra Landscape: 22-year Landsat NDVI Trends in an Area of the Northern Foothills of the Brooks Range, Alaska

David L. Verbyla, Donald A. Walker, Martha K. Raynolds, 2013 .

Biotic controls over spectral reflectance of arctic tundra vegetation

D. Walker, H. Epstein, S. Riedel, 2005 .

Role of vegetation and climate in permafrost active layer depth in arctic tundra of northern Alaska and Canada

Howard E. Epstein, Donald A. Walker, D. Walker, 2004 .

On the moss flora of Mould Bay (Prince Patrick Island, Canadian Arctic Archipelago)

D. Walker, M. Raynolds, O. M. Afonina, 2005 .

NDVI, biomass, and landscape evolution of glaciated terrain in northern Alaska

Donald A. Walker, Nancy A. Auerbach, N. Auerbach, 1995, Polar Record.

The Circumpolar Arctic Vegetation Map: AVHRR-derived base maps, environmental controls, and integrated mapping procedures

Donald A. Walker, H. A. Maier, Martha K. Raynolds, 2002 .

Effects of deglaciation on circumpolar distribution of arctic vegetation

Donald A. Walker, Martha K. Raynolds, D. Walker, 2009 .

Lichens from Ellef Ringnes Island, Canadian Arctic Archipelago

D. Walker, M. Raynolds, C. Vonlanthen, 2006, Evansia.

State of the Arctic / October 2006

L. Bengtsson, H. Melling, J. Overland, 2006 .

Volume index

Renata E. Hari, M. Lieffering, J. Fuhrer, 2006 .

Vegetation greening in the Canadian Arctic related to decadal warming.

D. Walker, H. Epstein, G. Jia, 2009, Journal of environmental monitoring : JEM.

Rescuing Valuable Arctic Vegetation Data for Biodiversity Models, Ecosystem Models and a Panarctic Vegetation Classification

Miska Luoto, Niels Martin Schmidt, Donald A. Walker, 2013 .

Climate drivers of Arctic tundra variability and change using an indicators framework

C. Tucker, J. Walsh, J. Pinzón, 2021, Environmental Research Letters.

Spatial patterns of arctic tundra vegetation properties on different soils along the Eurasia Arctic Transect, and insights for a changing Arctic

D. Walker, M. Raynolds, G. Frost, 2020, Environmental Research Letters.

Canadian Arctic vegetation mapping

W. Gould, D. Walker, M. Raynolds, 2002 .

Russian Arctic Vegetation Archive—A new database of plant community composition and environmental conditions

G. Schaepman‐Strub, D. Walker, K. Ermokhina, 2023, Global Ecology and Biogeography.

Combining Research and Education: Bioclimatic Zonation along a Canadian Arctic Transect

W. Gould, D. Walker, D. Biesboer, 2003 .

Late Quaternary vegetation history

D. Walker, G. Hope, 1982 .

Spatial interrelationships between terrain, snow distribution and vegetation patterns at an arctic foothills site in Alaska

Donald A. Walker, Barry Michael Evans, G. W. Petersen, 1989 .

Soil climate and frost heave along the Permafrost/Ecological North American Arctic Transect

Donald A. Walker, Vladimir E. Romanovsky, D. Walker, 2006 .

Drought:Monitoring global drought using the self-calibrating Palmer Drought Severity Index

Caio A. S. Coelho, Stanley B. Goldenberg, P. Jones, 2019 .

Cumulative Effects of Rapid Land-Cover and Land-Use Changes on the Yamal Peninsula, Russia

Jed O. Kaplan, Howard E. Epstein, Donald A. Walker, 2010 .

The 2017 coastal El Niño

Stanley B. Goldenberg, J. V. Revadekar, Tannecia S. Stephenson, 2018 .

Wetland Soils and Vegetation, Arctic Foothills, Alaska.

Donald A. Walker, K. R. Everett, D. Walker, 1989 .

Regional Patterns and Asynchronous Onset of Ice-Wedge Degradation since the Mid-20th Century in Arctic Alaska

M. Torre Jorgenson, Gerald V. Frost, Tracy Christopherson, 2018, Remote. Sens..

PINGOS OF THE PRUDHOE BAY REGION, ALASKA

D. Walker, P. Webber, K. Everett, 1985 .

The Arctic

S. Hendricks, X. Fettweis, G. Manney, 2021, Bulletin of the American Meteorological Society.

Arctic Report Card 2008: Tracking recent environmental changes

L. Hinzman, J. Overland, J. Morison, 2007 .

Glacial History and Long-Term Ecology in the Toolik Lake Region

T. Hamilton, D. Walker, M. Raynolds, 2014 .

Ecological Consequences of Sea-Ice Decline

I. Stirling, M. Hebblewhite, J. Brodie, 2013, Science.

Circumpolar geobotanical mapping: a web-based plant-to-planet approach for vegetation-change analysis in the Arctic

E. Barbour, A. Bryn, D. Walker, 2009 .

Rapid Arctic Transitions due to Infrastructure and Climate (RATIC): A contribution to ICARP III

G. Kofinas, M. Buchhorn, D. Walker, 2015 .

Satellite-derived vegetation index and cover type maps for estimating carbon dioxide flux for arctic tundra regions

Stuart R. Phinn, Douglas A. Stow, Donald A. Walker, 1998 .

Carbon cycling in the Kuparuk basin: Plant production, carbon storage, and sensitivity to future changes

E. Rastetter, R. McKane, J. Hobbie, 1998 .

STATE OF THE CLIMATE IN 2017

Stanley B. Goldenberg, J. V. Revadekar, Tannecia S. Stephenson, 2018 .

Carbon Dioxide Fluxes in Moist and Dry Arctic Tundra during the Snow-Free Season : Responses to Increases in Summer Temperature and Winter Snow Accumulation

M. H. Jones, J. Welker, D. Walker, 2008 .

Climate Change and Arctic Ecosystems: 1. Vegetation Changes North of 55°n between the Last Glacial Maximum, Mid-holocene, and Present

Benjamin Smith, W. Cramer, J. Kaplan, 2003 .

The Arctic

S. Goetz, X. Fettweis, G. Manney, 2020, Bulletin of the American Meteorological Society.

Methods and Indicators Advances in Measuring the Environmental and Social Impacts of Environmental Programs

E. Carmack, S. Moore, J. Walsh, 2015 .

Simulating nonsorted circle development in arctic tundra ecosystems

D. Misra, D. Walker, H. Epstein, 2008 .