Ocean Science
Ocean Science
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Articles | Volume 15, issue 4
Articles | Volume 15, issue 4
https://doi.org/10.5194/os-15-1055-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-15-1055-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 4
Research article
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 | 
13 Aug 2019
Research article | Highlight paper |  | 13 Aug 2019

High-resolution underwater laser spectrometer sensing provides new insights into methane distribution at an Arctic seepage site

Pär Jansson, Jack Triest, Roberto Grilli, Bénédicte Ferré, Anna Silyakova, Jürgen Mienert, and Jérôme Chappellaz

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Short summary
Methane seepage from the seafloor west of Svalbard was investigated with a fast-response membrane inlet laser spectrometer. The acquired data were in good agreement with traditional sparse discrete water sampling, subsequent gas chromatography, and with a new 2-D model based on echo-sounder data. However, the acquired high-resolution data revealed unprecedented details of the methane distribution, which highlights the need for high-resolution measurements for future climate studies.
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