Articles | Volume 15, issue 4
Ocean Sci., 15, 1055–1069, 2019
https://doi.org/10.5194/os-15-1055-2019
Ocean Sci., 15, 1055–1069, 2019
https://doi.org/10.5194/os-15-1055-2019

Research article 13 Aug 2019

Research article | 13 Aug 2019

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

Pär Jansson et al.

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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.