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

• Published in: The Cryosphere
• Main Authors: Hodson, Andrew, Nowak, Aga, Hornum, Mikkel, Senger, Kim, Redeker, Kelly, Christiansen, Hanne H, Jessen, Soren, Betlem, Peter, Thornton, Steve F, Turchyn, Alexandra V, Olaussen, Snorre, Marca, Alina
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2020
• Subjects: Arctic; Svalbard; Adventdalen; Ice; permafrost; The Cryosphere; Spitsbergen
• Online Access: https://ueaeprints.uea.ac.uk/id/eprint/77699/; https://ueaeprints.uea.ac.uk/id/eprint/77699/1/Published_Version.pdf; https://doi.org/10.5194/tc-14-3829-2020

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...