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An Abrupt Aging of Dissolved Organic Carbon in Large Arctic Rivers.
Melissa S Schwab, Robert G Hilton, Peter A Raymond, Negar Haghipour, Edwin Amos, Suzanne E Tank, Robert M Holmes, Edward T Tipper, Timothy I Eglinton
Dec 15, 2020
Permafrost thaw in Arctic watersheds threatens to mobilize hitherto sequestered carbon. We examine the radiocarbon activity (F14C) of dissolved organic carbon (DOC) in the northern Mackenzie River basin. From 2003-2017, DOC-F14C...