Search Results - "POLLARD, Wayne H"

Rapid initialization of retrogressive thaw slumps in the Canadian high Arctic and their response to climate and terrain factors by Ward Jones, Melissa K, Pollard, Wayne H, Jones, Benjamin M

“…An increase in retrogressive thaw slump (RTS) activity has been observed in the Arctic in recent decades. However, a gap exists between observations in high…”
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Water sources and composition of dissolved gases and bubbles in a saline high Arctic spring by Andersen, Dale T, McKay, Christopher P, Pollard, Wayne H, Marinova, Margarita M

“…We investigate the water sources for a perennial spring, "Little Black Pond," located at Expedition Fiord, Axel Heiberg Island in the Canadian High Arctic…”
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The Arctic Coastal Dynamics Database: A New Classification Scheme and Statistics on Arctic Permafrost Coastlines by Lantuit, Hugues, Overduin, Pier Paul, Couture, Nicole, Wetterich, Sebastian, Aré, Felix, Atkinson, David, Brown, Jerry, Cherkashov, Georgy, Drozdov, Dmitry, Forbes, Donald Lawrence, Graves-Gaylord, Allison, Grigoriev, Mikhail, Hubberten, Hans-Wolfgang, Jordan, James, Jorgenson, Torre, Ødegård, Rune Strand, Ogorodov, Stanislav, Pollard, Wayne H., Rachold, Volker, Sedenko, Sergey, Solomon, Steve, Steenhuisen, Frits, Streletskaya, Irina, Vasiliev, Alexander

“…Arctic permafrost coasts are sensitive to changing climate. The lengthening open water season and the increasing open water area are likely to induce greater…”
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The Importance of Incorporating Landscape Change for Predictions of Climate-Induced Plant Phenological Shifts by Chisholm, Chelsea, Becker, Michael S., Pollard, Wayne H.

“…Warming in the high Arctic is occurring at the fastest rate on the planet, raising concerns over how this global change driver will influence plant community…”
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Characterization of the microbial diversity in a permafrost sample from the Canadian high Arctic using culture-dependent and culture-independent methods by Steven, Blaire, Briggs, Geoffrey, McKay, Chris P, Pollard, Wayne H, Greer, Charles W, Whyte, Lyle G

“…A combination of culture-dependent and culture-independent methodologies (Bacteria and Archaea 16S rRNA gene clone library analyses) was used to determine the…”
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Relation between planimetric and volumetric measurements of permafrost coast erosion: a case study from Herschel Island, western Canadian Arctic by Obu, Jaroslav, Lantuit, Hugues, Fritz, Michael, Pollard, Wayne H., Sachs, Torsten, Günther, Frank

“…Ice-rich permafrost coasts often undergo rapid erosion, which results in land loss and release of considerable amounts of sediment, organic carbon and…”
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Microbial ecology and biodiversity in permafrost by STEVEN, Blaire, LEVEILLE, Richard, POLLARD, Wayne H, WHYTE, Lyle G

“…Permafrost represents 26% of terrestrial soil ecosystems; yet its biology, essentially microbiology, remains relatively unexplored. The permafrost environment…”
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Geophysical mapping of ground ice using a combination of capacitive coupled resistivity and ground-penetrating radar, Northwest Territories, Canada by De Pascale, Gregory P., Pollard, Wayne H., Williams, Kevin K.

“…The nature and distribution of ground ice are two of the most unpredictable geological variables in near‐surface deposits characterized by continuous…”
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Characterization of the Prokaryotic Diversity in Cold Saline Perennial Springs of the Canadian High Arctic by PERREAULT, Nancy N, ANDERSEN, Dale T, POLLARD, Wayne H, GREER, Charles W, WHYTE, Lyle G

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Origin and characteristics of massive ground ice on Herschel Island (western Canadian Arctic) as revealed by stable water isotope and Hydrochemical signatures by Fritz, Michael, Wetterich, Sebastian, Meyer, Hanno, Schirrmeister, Lutz, Lantuit, Hugues, Pollard, Wayne H.

“…Herschel Island in the southern Beaufort Sea is a push moraine at the northwestern‐most limit of the Laurentide Ice Sheet. Stable water isotope (δ18O, δD) and…”
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Arctic coastal retreat through block failure by Hoque, Md. Azharul, Pollard, Wayne H

“…This study investigates the mechanics of block failure in frozen bluffs underlain by permafrost along Arctic coasts. Different block failure modes with and…”
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Daily Field Observations of Retrogressive Thaw Slump Dynamics in the Canadian High Arctic by Jones, Melissa K. Ward, Pollard, Wayne H.

“…With observed increases in retrogressive thaw slump (RTS) number, rates, and size in recent decades, there is a need to understand these highly dynamic…”
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EDITOR'S CHOICE: Sixty-year legacy of human impacts on a high Arctic ecosystem by Becker, Michael S, Pollard, Wayne H

“…Summary The high Arctic is the world's fasting warming biome, allowing access to sections of previously inaccessible land for resource extraction. Starting in…”
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Cold springs in permafrost on Earth and Mars by Andersen, Dale T., Pollard, Wayne H., McKay, Christopher P., Heldmann, Jennifer

“…Perennial springs located on west central Axel Heiberg Island in the Canadian High Arctic occur in a region with a mean annual air temperature of −15°C and…”
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Microbial diversity and activity through a permafrost/ground ice core profile from the Canadian high Arctic by Steven, Blaire, Pollard, Wayne H., Greer, Charles W., Whyte, Lyle G.

“…Summary Culture‐dependent and culture‐independent methods were used in an investigation of the microbial diversity in a permafrost/massive ground ice core from…”
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Eastern Beringia and beyond: Late Wisconsinan and Holocene landscape dynamics along the Yukon Coastal Plain, Canada by Fritz, Michael, Wetterich, Sebastian, Schirrmeister, Lutz, Meyer, Hanno, Lantuit, Hugues, Preusser, Frank, Pollard, Wayne H.

“…Terrestrial permafrost archives along the Yukon Coastal Plain (northwest Canada) have recorded landscape development and environmental change since the Late…”
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Ground ice melt in the high Arctic leads to greater ecological heterogeneity by Becker, Michael S., Davies, T. Jonathan, Pollard, Wayne H.

“…1. The polar desert biome of the Canadian high Arctic Archipelago is currently experiencing some of the greatest mean annual air temperature increases on the…”
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A Model for Quantifying Ground‐Ice Volume, Yukon Coast, Western Arctic Canada by Couture, Nicole J., Pollard, Wayne H.

“…A morphological model for estimating ground‐ice contents of various landscape units is presented to address the gap between large‐scale, general studies and…”
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Life Cycles and Polycyclicity of Mega Retrogressive Thaw Slumps in Arctic Permafrost Revealed by 2D/3D Geophysics and Long‐Term Retreat Monitoring by Krautblatter, Michael, Angelopoulos, Michael, Pollard, Wayne H., Lantuit, Hugues, Lenz, Josefine, Fritz, Michael, Couture, Nicole, Eppinger, Saskia

“…Mega retrogressive thaw slumps (MRTS, >106 m3) are a major threat to Arctic infrastructure, alter regional biogeochemistry, and impact Arctic carbon budgets…”
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Vegetation Recovery Patterns Following Permafrost Disturbance in a Low Arctic Setting: Case Study of Herschel Island, Yukon, Canada by Cray, Heather A, Pollard, Wayne H

“…The potential long-term effects of thaw slump disturbances on tundra ecosystems include a significant reorganization of tundra plant communities. In this…”
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