Open system pingos as hotspots for sub-permafrost methane emission in Svalbard

• Main Authors: Hodson, Andrew Jonathan, Nowak, Aga, Senger, Kim, Redeker, Kelly, Christiansen, Hanne H., Jessen, Søren, Hornum, Mikkel T., Betlem, Peter, Thornton, Steve F., Turchyn, Alexandra V., Olaussen, Snorre, Marca, Alina
• Format: Text
• Language: English
• Published: 2020
• Subjects: Adventdalen; Arctic; Svalbard; permafrost; Spitsbergen
• Online Access: https://doi.org/10.5194/tc-2020-11; https://tc.copernicus.org/preprints/tc-2020-11/

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...