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Skip to Search Results- 1Bandara, Sasiri
- 1Jensen, Britta J.L.
- 1Kwan, Kin Hung
- 1Mahony, Matthew E
- 1Mamet, Steven D.
- 1Pumple, Joel D
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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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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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Dendrochronology and treeline dynamics within arctic and alpine localities in western and central Canada
DownloadFall 2012
The transition from forest to tundra, commonly called treeline, is expected to advance, particularly in northern latitudes. Treeline in two subarctic locales: the western Mackenzie Mountains, Northwest Territories, and the western Hudson Bay Lowlands southeast of Churchill, Manitoba were studied,...
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Spring 2019
This thesis contributes to the development of chronological and geological frameworks for the archaeological record of the mineable oil sands regions in northeastern Alberta, Canada. This area contains a rich pre-European contact archaeological record that has largely been documented through...
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Spring 2022
The Edmonton-area landscape has been shaped by multiple geomorphic events throughout the Quaternary period. These events account for the distribution of resources and landforms across Central Alberta, making their reconstruction essential to understanding the geomorphic history of the Canadian...
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Records of atmospheric mercury deposition and post-depositional mobility in peat permafrost archives from central and northern Yukon, Canada
DownloadFall 2017
Environmental archives provide a feasible means for studying the biogeochemical cycling of heavy metals including mercury (Hg). Although many temperate peat bogs have been successfully used to reconstruct natural and anthropogenic atmospheric Hg deposition fluxes, northern circumpolar permafrost...
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Sedimentology, stratigraphy, and chronology of the Northwestern Outlet of glacial Lake Agassiz, northeastern Alberta
DownloadFall 2018
Lake Agassiz was dammed on the retreating southern and western margins of the Laurentide Ice Sheet during the end of the last Ice Age. Periodic discharges of freshwater from the lake basin have been implicated in altering oceanic circulation and impacting global climate. Meltwater from a rapid...
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Fall 2021
The lower Athabasca River valley in northeastern Alberta, famous for oil sands mining, was also the site of one of North America largest Ice Age floods. During deglaciation, a large proglacial lake, Lake Agassiz, drained catastrophically through the Athabasca River valley. This catastrophic flood...