Articles | Volume 18, issue 5
Biogeosciences, 18, 1823–1838, 2021
https://doi.org/10.5194/bg-18-1823-2021
Biogeosciences, 18, 1823–1838, 2021
https://doi.org/10.5194/bg-18-1823-2021

Research article 16 Mar 2021

Research article | 16 Mar 2021

Warming and ocean acidification may decrease estuarine dissolved organic carbon export to the ocean

Michelle N. Simone 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
ED: Publish subject to minor revisions (review by editor) (17 Dec 2020) by Christoph Heinze
AR by Svenja Lange on behalf of the Authors (15 Jan 2021)  Author's response
ED: Publish subject to minor revisions (review by editor) (18 Jan 2021) by Christoph Heinze
AR by Michelle Simone on behalf of the Authors (18 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (19 Jan 2021) by Christoph Heinze
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Short summary
Estuaries are responsible for a large contribution of dissolved organic carbon (DOC) to the global C cycle, but it is unknown how this will change in the future. DOC fluxes from unvegetated sediments were investigated ex situ subject to conditions of warming and ocean acidification. The future climate shifted sediment fluxes from a slight DOC source to a significant sink, with global coastal DOC export decreasing by 80 %. This has global implications for C cycling and long-term C storage.
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