Detecting the signature of permafrost thaw in Arctic rivers

• Published in: Geophysical Research Letters
• Main Authors: Spencer, Robert, Mann, Paul, Dittmar, Thorsten, Eglinton, Timothy, McIntyre, Cameron, Holmes, Robert, Zimov, Nikita, Stubbins, Aron
• Format: Article in Journal/Newspaper
• Language: English
• Published: American Geophysical Union 2015
• Subjects: C500 Microbiology; F100 Chemistry; F700 Ocean Sciences; F800 Physical and Terrestrial Geographical and Environmental Sciences; Arctic; Kolyma; Climate change; Detecting the Signature of Permafrost Thaw in Arctic Rivers; kolyma river; permafrost
• Online Access: https://nrl.northumbria.ac.uk/id/eprint/21999/; https://doi.org/10.1002/2015GL063498; https://nrl.northumbria.ac.uk/id/eprint/21999/5/grl52870.pdf

Climate change induced permafrost thaw in the Arctic is mobilizing ancient dissolved organic carbon (DOC) in to headwater streams, however DOC exported from the mouth of major arctic rivers appears predominantly modern. Here we highlight that ancient (>20,000 ybp) permafrost-DOC is rapidly utiliz...