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Skip to Search Results- 1Adamczak, Kateri M.
- 1Alejandro, Alvarez
- 1Bandara, Sasiri
- 1Beasse, Mark L
- 1Bulger, Cara A
- 1Burd, Katheryn
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50,000 years of paleoenvironmental change recorded in meteoric waters and coeval paleoecological and cryostratigraphic indicators from the Klondike goldfields, Yukon, Canada
DownloadFall 2015
A 50,000 year record of meteoric water isotopes (δ2H/δ18O) and paleoenvironmental conditions is presented from syngenetic ice-rich permafrost and macrofossils from eight sites in the Klondike area of central Yukon. Four sedimentary units are recognized based on cryostratigraphy, paleoecological...
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Active heterotrophic microbial communities from polar desert soils of the Canadian High Arctic
DownloadFall 2012
Polar warming will lead to increased labile organic carbon in Arctic soils, both from the release of organic carbon stored in permafrost and increased plant production. The impact of increasing organic carbon on Arctic soil microbial community composition and activity is of great interest...
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1979
Masters thesis. Examines significant aspects of hydrogeology, hydrogeochemistry, and evidence of groundwater flow as basis for understanding groundwater distribution and development in permafrost regions. Engineering considerations on development of groundwater resources and prevention of icings...
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Fall 2023
Piles are commonly used in the Canadian Arctic as a foundation solution. Steel pipe shaft pile, which is a conventional pile type in the Arctic, is placed in an oversized pre-drilled hole and then the annulus is backfilled with gravel slurries or grout designed to cure (i.e., a process called...
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Fall 2016
The Alaska Highway through Southwestern Yukon is located in the discontinuous permafrost zone with many areas of the highway corridor associated with degrading permafrost. Given the strategic value of the corridor, it is critical to have a clear understanding of permafrost characteristics and...
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Dissolved Organic Carbon Mobilization and Degradation Patterns in Retrogressive Thaw Slumps of the Peel Plateau, Northwest Territories, Canada
DownloadFall 2016
Anthropogenic climate change has affected the Canadian Arctic cryosphere, accelerating the development of retrogressive thaw slumps (RTS) across the Peel Plateau, NWT, Canada. RTS result from the thawing of ice-rich permafrost and develop due to ablation of ground ice exposed in the slump...
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Examining Historical Climate with Respect to Future Permafrost and Engineering Design: An Analysis of Common Assumptions and Calculations
DownloadFall 2012
This paper examines changes in climate with respect to permafrost and engineering design in Arctic regions. Current understanding of climate changes, predictive modeling, and climate data were studied. Inconsistencies and differences were noted, discussed, and evaluated using comparisons of the...
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Fall 2022
In order to understand permafrost and paleoenvironmental conditions in the Mackenzie Delta Region, permafrost cores were collected in the winter of 2017, near the newly developed Inuvik-Tuktoyaktuk Highway (ITH), NWT, by the NWT Geological Survey, NWT Department of Infrastructure, the University...
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Spring 2013
This study is a part of a field experiment constructed at the Diavik Diamond Mine in northern Canada to investigate water flow, geochemical reactions, thermal and gas transport within unsaturated piles of mine waste rock in a continuous permafrost permafrost. Diavik waste rock is categorized by...
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1980
Comprehensive, in-situ study of naturally occurring creep in ice-rich permafrost soil on a steep slope on the Great Bear River. A detailed surficial geology mapping along the Great Bear River was carried out in order to determine the most suitable field site. Coincidentally, the slope is situated...