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BG | Articles | Volume 17, issue 18
Biogeosciences, 17, 4663–4679, 2020
https://doi.org/10.5194/bg-17-4663-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Ocean deoxygenation: drivers and consequences – past, present...

Biogeosciences, 17, 4663–4679, 2020
https://doi.org/10.5194/bg-17-4663-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 25 Sep 2020

Research article | 25 Sep 2020

Sediment release of dissolved organic matter to the oxygen minimum zone off Peru

Alexandra N. Loginova 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: Reconsider after major revisions (08 May 2020) by S. Wajih A. Naqvi
ED: Reconsider after major revisions (08 May 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
AR by Anja Engel on behalf of the Authors (14 May 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 May 2020) by S. Wajih A. Naqvi
RR by Tomoko Komada (14 Jun 2020)
ED: Publish subject to minor revisions (review by editor) (17 Jun 2020) by S. Wajih A. Naqvi
ED: Publish subject to minor revisions (review by editor) (17 Jun 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
AR by Anja Engel on behalf of the Authors (15 Jul 2020)  Author's response    Manuscript
ED: Publish as is (29 Jul 2020) by S. Wajih A. Naqvi
ED: Publish as is (29 Jul 2020) by Katja Fennel(Co-Editor-in-Chief)
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Short summary
We measured dissolved organic carbon (DOC), nitrogen (DON) and matter (DOM) optical properties in pore waters and near-bottom waters of the eastern tropical South Pacific off Peru. The difference between diffusion-driven and net fluxes of DOC and DON and qualitative changes in DOM optical properties suggested active microbial utilisation of the released DOM at the sediment–water interface. Our results suggest that the sediment release of DOM contributes to microbial processes in the area.
We measured dissolved organic carbon (DOC), nitrogen (DON) and matter (DOM) optical properties...
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