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Methane Seeps Out as Arctic Permafrost Starts to Resemble Swiss Cheese

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Thawing permafrost releases old greenhouse gas  July 19, 2017  ScienceDaily

Study in the Mackenzie Delta in Canada shows high amount of geological methane emission 
The thawing permafrost soils in the Arctic regions might contribute to the greenhouse effect in two respects: on the one hand rising temperatures lead to higher microbial methane production close to the surface. On the other hand thawing subsurface opens increasingly pathways for old, geologic methane
Katrin Kohnert, Andrei Serafimovich, Stefan Metzger, Jörg Hartmann, Torsten Sachs. Strong geologic methane emissions from discontinuous terrestrial permafrost in the Mackenzie Delta, Canada. Scientific Reports, 2017; 7 (1) DOI: 10.1038/s41598-017-05783-2

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