Articles | Volume 18, issue 20
Biogeosciences, 18, 5831–5849, 2021
https://doi.org/10.5194/bg-18-5831-2021
Biogeosciences, 18, 5831–5849, 2021
https://doi.org/10.5194/bg-18-5831-2021

Research article 29 Oct 2021

Research article | 29 Oct 2021

Fast local warming is the main driver of recent deoxygenation in the northern Arabian Sea

Zouhair Lachkar et al.

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Status: closed
Status: closed
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 (08 Apr 2021) by Marilaure Grégoire
AR by Zouhair Lachkar on behalf of the Authors (15 Jun 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (24 Jun 2021) by Marilaure Grégoire
RR by Matthieu Lengaigne (01 Jul 2021)
RR by Anonymous Referee #2 (31 Aug 2021)
ED: Publish subject to minor revisions (review by editor) (09 Sep 2021) by Marilaure Grégoire
AR by Zouhair Lachkar on behalf of the Authors (17 Sep 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (29 Sep 2021) by Marilaure Grégoire
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Short summary
This study documents and quantifies a significant recent oxygen decline in the upper layers of the Arabian Sea and explores its drivers. Using a modeling approach we show that the fast local warming of sea surface is the main factor causing this oxygen drop. Concomitant summer monsoon intensification contributes to this trend, although to a lesser extent. These changes exacerbate oxygen depletion in the subsurface, threatening marine habitats and altering the local biogeochemistry.
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