North American Arctic Transect

North American Arctic Transect

Posters

Talks:

  1. 2011
    1. 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. European Vegetation Survey 20th Workshop. Rome, Italy April 6-9. PDF

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  1. 2008
    1. 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. Ninth International Conference on Permafrost. Fairbanks, AK June 29 - July 3. PDF
    2. Walker, D.A. 2008. Arctic sea ice, Arctic vegetation change and lessons from 2007. Arctic Observation Integration Workshop. Palisades, NY March 17-20. PDF
    3. 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?. Institute of Arctic Biology Seminar. Fairbanks, AK November 21. PDF
    4. Walker, D.A. 2008. Biocomplexity of Arctic Patterned Ground: A tale of cracking, heaving, and smothering!. Dynamics of Complex Systems: Common Threads Workshop. Fairbanks, AK 6 August. PDF

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  1. 2006
    1. 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. Abstract C51A-0397, presented at AGU Fall Meeting. San Francisco, CA, December 11-15. C51A-0397.
    2. 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. Abstract C51A-0382, presented at AGU Fall Meeting. San Francisco, CA, December 11 - 15. C51A-0382.
    3. 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. Abstract C44A-06, presented at AGU Fall Meeting. San Francisco, CA, December 11 - 15. C44A-06.
    4. 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. Dynamics of Complex Systems: Common Threads Workshop. Fairbanks, AK July 5-7. PDF

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  1. 2005
    1. 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. Abstract B33E-1092, presented at AGU Fall Meeting. San Francisco, CA, December 5-9. 86:B33E-1092.
    2. Jia, G.J., Epstein, H.E., Walker, D.A. 2005. Uneven response of arctic tundra to recent environmental changes. Abstract B33E-1091, presented at AGU Fall Meeting. San Francisco, CA, December 5-9. 86:B33E-1091.
    3. 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. Abstract C21C-1135, presented at AGU Fall Meeting. San Francisco, CA, December 5-9. 86:C21C-1135.
    4. 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.
    5. Ping, C.-L., Kimble, J.M., Michaelson, G.J., Tarnocai, C., Walker, D.A. 2005. Carbon stores and their distribution in different arctic ecosystems. 1st Climate and Cryosphere International Science Conference. Beijing, China April 11 - 15.
    6. 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. Abstract C24A-05, presented at AGU Fall Meeting. San Francisco, CA, December 5-9. 86:C24A-05.
    7. 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. Abstract C24A-06, presented at AGU Fall Meeting. San Francisco, CA, December 5-9. 86:C24A.
    8. Shur, Y., Ping, C.L., Walker, D.A. 2005. Comprehensive model of frost boils and earth hummocks formation. 2nd European Conference on Permafrost. Potsdam, Germany 12-16 June. PDF
    9. Tarnocai, C., Walker, D. 2005. Turf hummocks along a climatic gradient in Arctic Canada: characteristics and development. 2nd European Conference on Permafrost. Potsdam, Germany June 12-16.
    10. Walker, D.A. 2005. Biocomplexity of small patterned-ground features: A North American Arctic Transect. Institute of Arctic Biology Seminar. Fairbanks, AK October 28. PDF
    11. 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. Abstract C24A-03, presented at AGU Fall Meeting. San Francisco, CA, December 5-9. 86:C24A-03.

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  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. Abstract C43B-0231, presented at AGU Fall Meeting. San Francisco, CA, December 13-17. 85:C43B-0231.
    2. Nicolsky, D.J., Romanovsky, V.E., Tipenko, G.S., Walker, D.A. 2004. A coupled thermo-mechanical model of differential frost heave. Abstract C13B-0282, presented at AGU Fall Meeting. San Francisco, CA, December 13-17. 85:C13B-0282.
    3. Tipenko, G.S., Marchenko, S., Romanovsky, V.E., Groshev, V., Sazonova, T. 2004. Spatially Distributed Model of Permafrost Dynamics in Alaska. Abstract C12A-02, presented at AGU Fall Meeting. San Francisco, CA, December 13-17. 85:C12A-02.
    4. Walker, D.A. 2004. Greening of the Arctic: A transect to monitor terrestrial change across the full Arctic bioclimate gradient. IPY Workshop. Fairbanks, AK November 29. PDF

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  1. 2003
    1. Gould, W.A., Quijano, A., Gonzalez, G., Walker, D.A. 2003. Variation in frost-boil morphology and associated vegetation characteristics along a climatic gradient. Abstract B31C-0311, presented at AGU FAll Meeting. San Francisco, CA, December 8-12. 84:B31C-0311.
    2. Nicolsky, D.J., Tipenko, G.S., Romanovsky, V.E. 2003. Developing a numerical model of frost boils dynamics. Abstract C21B-0813, presented at AGU Fall Meeting. San Francisco, CA, December 8-12. 84:C21B-0813.
    3. 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. Abstract Complete set of PDFs, presented at Proceedings of the Eighth International Conference on Permafrost. Lisse, 21-25 July. 2:885-890. PDF
    4. Shur, Y.L., Ping, C.L. 2003. The Driving Force of Frost Boils and Hummocks Formation. Abstract C21B-0823, presented at AGU Fall Meeting. San Francisco, CA, December 8-12. 84:C21B-0823.
    5. Walker, D.A. 2003. Biocomplexity of frost-boil ecosystems: 2003 Expedition to Banks Island. Institute of Arctic Biology Seminar. Fairbanks, AK 2003. PDF
    6. 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. 54th Arctic Science Conference. Fairbanks, Alaska 22 - 24 September.

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  1. 2002
    1. Michaelson, G.J., Ping, C.L., Walker, D.A. 2002. Biogeochemistry of Soils Associated with Cryptogamic Crusts on Frost Boils. Abstract B12A-0778, presented at AGU Fall Meeting. San Francisco, CA, December 6-10. 83:F260.
    2. Ping, C.-L., Michaelson, G.J., Kimble, J., Shur, Y.L., Walker, D.A. 2002. Morphogenesis of soils associated with frost boils. Abstract B12A-0775, presented at AGU Fall Meeting. San Francisco, CA, December 6-10. 83:F259. PDF
    3. 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. Abstract B72D-02, presented at AGU Fall Meeting. San Francisco, CA, December 6-10. 83:B72D-02.

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Posters

  1. 2011
    1. 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. LCLUC Science Team Meeting. Adelphi, MD March 28-30. PDF
    2. 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. LCLUC Science Team Meeting. Adelphi, MD . PDF
    3. 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. LCLUC Science Team Meeting. Adelphi, MD March 28-30. PDF
    4. Yu, Q., Epstein, H.E., Walker, D.A. 2011. Modeling dynamics of tundra plant communities on the Yamal Peninsula. LCLUC Science Team Meeting. Adelphi, MD March 28-30. PDF

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  1. 2008
    1. Walker, D.A. 2008. North American Arctic Transect. 20th Annual Meeting and Arctic Forum. Washington, D.C. May 13-15 . PDF

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  1. 2005
    1. 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. Abstract H53C-0477, presented at AGU Fall Meeting. San Francisco, CA, December 5-9.

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  1. 2004
    1. Kuss, P. 2004. Cassiope tetragona - Dryas integrifolia Non-acidic Snowbed Communities Along the Thompson River, Banks Island, Canada. Second International Workshop on Circumpolar Vegetation Classification and Mapping. Tromsø, Norway June 2-6. PDF

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  1. 2003
    1. 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. Biocomplexity in the Environment Awardees Meeting. Arlington, VA 14 - 17 September.

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Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s)

and do not necessarily reflect the views of the National Science Foundation or any other organization.

Alaska Geobotany Center - Institute of Arctic Biology - University of Alaska Fairbanks

The University of Alaska Fairbanks is an affirmative action/equal opportunity employer and educational institution.

Last modified June 22, 2011