Sub-permafrost methane seepage from open-system pingos in Svalbard

• Published in: The Cryosphere
• Main Authors: A. J. Hodson, A. Nowak, M. T. Hornum, K. Senger, K. Redeker, H. H. Christiansen, S. Jessen, P. Betlem, S. F. Thornton, A. V. Turchyn, S. Olaussen, A. Marca
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2020
• Subjects: Environmental sciences; GE1-350; Geology; QE1-996.5; Adventdalen; Arctic; Svalbard; Ice; permafrost; The Cryosphere; Spitsbergen
• Online Access: https://doi.org/10.5194/tc-14-3829-2020; https://doaj.org/article/b4c7751474f84f94b7022d0fc13e8fbf

Methane release from beneath lowland permafrost represents an important uncertainty in the Arctic greenhouse gas budget. Our current knowledge is arguably best developed in settings where permafrost is being inundated by rising sea level, which means much of the methane is oxidised in the water colu...