Articles | Volume 18, issue 23
Atmos. Chem. Phys., 18, 17207–17224, 2018
https://doi.org/10.5194/acp-18-17207-2018
Atmos. Chem. Phys., 18, 17207–17224, 2018
https://doi.org/10.5194/acp-18-17207-2018

Research article 05 Dec 2018

Research article | 05 Dec 2018

Methane at Svalbard and over the European Arctic Ocean

Stephen M. Platt et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Stephen Platt on behalf of the Authors (12 Oct 2018)  Author's response    Manuscript
ED: Publish as is (31 Oct 2018) by Rupert Holzinger
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Short summary
We measured atmospheric mixing ratios of methane over the Arctic Ocean around Svalbard and compared observed variations to inventories for anthropogenic, wetland, and biomass burning methane emissions and an atmospheric transport model. With knowledge of where variations were expected due to the aforementioned land-based emissions, we were able to identify and quantify a methane source from the ocean north of Svalbard, likely from sub-sea hydrocarbon seeps and/or gas hydrate decomposition.
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