Biogeosciences
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Articles | Volume 17, issue 12
Articles | Volume 17, issue 12
https://doi.org/10.5194/bg-17-3247-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-3247-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 12
Research article
 | 
26 Jun 2020
Research article |  | 26 Jun 2020

Assessing the potential for non-turbulent methane escape from the East Siberian Arctic Shelf

Matteo Puglini, Victor Brovkin, Pierre Regnier, and Sandra Arndt

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Latest update: 02 Jun 2023
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Short summary
A reaction-transport model to assess the potential non-turbulent methane flux from the East Siberian Arctic sediments to water columns is applied here. We show that anaerobic oxidation of methane (AOM) is an efficient filter except for high values of sedimentation rate and advective flow, which enable considerable non-turbulent steady-state methane fluxes. Significant transient methane fluxes can also occur during the building-up phase of the AOM-performing biomass microbial community.
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