n-Alkane Characteristics of Thawed Permafrost Deposits Below a Thermokarst Lake on Bykovsky Peninsula, Northeastern Siberia

• Published in: Frontiers in Environmental Science
• Main Authors: Jongejans, L., Mangelsdorf, K., Schirrmeister, L., Grigoriev, M., Maksimov, G., Biskaborn, B., Grosse, G., Strauss, J.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: 2020
• Subjects: Talik; Ice; permafrost; Thermokarst; Siberia
• Online Access: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5003234; https://gfzpublic.gfz-potsdam.de/pubman/item/item_5003234_2/component/file_5003283/5003234.pdf

Rapid permafrost thaw by thermokarst mobilizes previously frozen organic matter (OM) down to tens of meters deep within decades to centuries, leading to microbial degradation and greenhouse gas release. Late Pleistocene ice-rich Yedoma deposits that thaw underneath thermokarst lakes and refreeze aft...