Offshore permafrost decay and massive seabed methane escape in water depths >20 m at the South Kara Sea shelf

Author:

Portnov Alexey12,Smith Andrew J.12,Mienert Jürgen12,Cherkashov Georgy3,Rekant Pavel3,Semenov Peter3,Serov Pavel3,Vanshtein Boris3

Affiliation:

1. Centre for Arctic Gas Hydrate, Environment and Climate; University of Tromsø; Tromsø Norway

2. Department of Geology; University of Tromsø; Tromsø Norway

3. I.S. Gramberg VNIIOkeangeologia; Saint Petersburg Russia

Funder

Norwegian Research Council

Publisher

American Geophysical Union (AGU)

Subject

General Earth and Planetary Sciences,Geophysics

Reference33 articles.

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2. Acoustic facies of post-cryogenic conditions at shallow areas of Pechora and Kara Seas;Bondarev;Prospect and protection of mineral resources,1999

3. Underpermafrost accumulations of gas in the upper part of the sedimentary cover of the Pechora Sea;Bondarev;Geol. Geophys.,2002

4. Minimum distribution of subsea ice-bearing permafrost on the U.S. Beaufort Sea continental shelf;Brothers;Geophys. Res. Lett.,2012

5. Excess of bottom-released methane in an Arctic shelf sea polynya in winter;Damm;Cont. Shelf Res.,2007

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