Distribution, Source and Cycling of Organic Carbon and Nitrogen in the Icy Soils of University Valley (McMurdo Dry Valleys of Antarctica)

Benoit Faucher
Between 2009 and 2013, 16 ice-bearing permafrost cores were collected from 10 polygons along the floor of University Valley (McMurdo Dry Valleys of Antarctica) and were subsequently analysed in order to assess the geochemical properties of the valley’s icy soils and ground ice. Elemental analysis showed that icy soils located in the seasonally non-cryotic zone (NCZ) of the valley contained (on average) twice as much organic carbon (1.19 mg/g) as the ice cemented permafrost soils...
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