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Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification

Record type: Article

Vast amounts of methane hydrates are potentially stored in sediments along the continental margins, owing their stability to low temperature – high pressure conditions. Global warming could destabilize these hydrates and cause a release of methane (CH4) into the water column and possibly the atmosphere. Since the Arctic has and will be warmed considerably, Arctic bottom water temperatures and their future evolution projected by a climate model were analyzed. The resulting warming is spatially inhomogeneous, with the strongest impact on shallow regions affected by Atlantic inflow. Within the next 100 years, the warming affects 25% of shallow and mid?depth regions containing methane hydrates. Release of methane from melting hydrates in these areas could enhance ocean acidification and oxygen depletion in the water column. The impact of methane release on global warming, however, would not be significant within the considered time span.

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Citation

Biastoch, A., Treude, T., Rüpke, L.H., Riebesell, U., Roth, C., Burwicz, E.B., Park, W., Latif, M., Böning, C.W., Madec, G. and Wallmann, K. (2011) Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification Geophysical Research Letters, 38, (8), L08602. (doi:10.1029/2011GL047222).

More information

Published date: 2011
Organisations: Marine Systems Modelling, National Oceanography Centre,Southampton

Identifiers

Local EPrints ID: 191591
URI: http://eprints.soton.ac.uk/id/eprint/191591
ISSN: 0094-8276
PURE UUID: 14132de2-691a-40f5-a1f6-84eebf1a79d8

Catalogue record

Date deposited: 22 Jun 2011 12:47
Last modified: 18 Jul 2017 11:35

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Contributors

Author: A. Biastoch
Author: T. Treude
Author: L.H. Rüpke
Author: U. Riebesell
Author: C. Roth
Author: E.B. Burwicz
Author: W. Park
Author: M. Latif
Author: C.W. Böning
Author: G. Madec
Author: K. Wallmann

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