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BG | Articles | Volume 17, issue 12
Biogeosciences, 17, 3165–3182, 2020
https://doi.org/10.5194/bg-17-3165-2020
© 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, 3165–3182, 2020
https://doi.org/10.5194/bg-17-3165-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 24 Jun 2020

Research article | 24 Jun 2020

Bottom-water deoxygenation at the Peruvian margin during the last deglaciation recorded by benthic foraminifera

Zeynep Erdem et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (15 Aug 2019) by Marilaure Grégoire
AR by Zeynep Erdem on behalf of the Authors (16 Sep 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (21 Sep 2019) by Marilaure Grégoire
RR by Anonymous Referee #3 (15 Nov 2019)
RR by Anonymous Referee #2 (19 Nov 2019)
ED: Reconsider after major revisions (22 Jan 2020) by Marilaure Grégoire
AR by Zeynep Erdem on behalf of the Authors (18 Mar 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (18 Mar 2020) by Marilaure Grégoire
RR by Anonymous Referee #2 (20 Apr 2020)
ED: Publish subject to minor revisions (review by editor) (22 Apr 2020) by Marilaure Grégoire
ED: Publish subject to minor revisions (review by editor) (28 Apr 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
AR by Zeynep Erdem on behalf of the Authors (29 Apr 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (15 May 2020) by Marilaure Grégoire
ED: Publish subject to technical corrections (15 May 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
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Short summary
Recent observations from today’s oceans revealed that oxygen concentrations are decreasing, and oxygen minimum zones are expanding together with current climate change. With the aim of understanding past climatic events and their relationship with oxygen content, we looked at the fossils, called benthic foraminifera, preserved in the sediment archives from the Peruvian margin and quantified the bottom-water oxygen content for the last 22 000 years.
Recent observations from today’s oceans revealed that oxygen concentrations are decreasing,...
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