Articles | Volume 14, issue 9
https://doi.org/10.5194/bg-14-2321-2017
https://doi.org/10.5194/bg-14-2321-2017
Research article
 | 
05 May 2017
Research article |  | 05 May 2017

Variable reactivity of particulate organic matter in a global ocean biogeochemical model

Olivier Aumont, Marco van Hulten, Matthieu Roy-Barman, Jean-Claude Dutay, Christian Éthé, and Marion Gehlen

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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
ED: Reconsider after major revisions (05 Dec 2016) by Arne Winguth
AR by Olivier Aumont on behalf of the Authors (10 Jan 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (16 Jan 2017) by Arne Winguth
RR by John Dunne (24 Jan 2017)
RR by Anonymous Referee #2 (02 Feb 2017)
ED: Publish subject to minor revisions (Editor review) (14 Feb 2017) by Arne Winguth
AR by Olivier Aumont on behalf of the Authors (17 Feb 2017)  Author's response   Manuscript 
ED: Publish as is (01 Mar 2017) by Arne Winguth
AR by Olivier Aumont on behalf of the Authors (15 Mar 2017)
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Short summary
The marine biological carbon pump is dominated by the vertical transfer of particulate organic carbon (POC) from the surface ocean to its interior. In this study, we explore the impacts of a variable composition of this organic matter using a global ocean biogeochemical model. We show that accounting for a variable lability of POC increases POC concentrations by up to 2 orders of magnitude in the ocean's interior. Furthermore, the amount of carbon that reaches the sediments is twice as large.
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