Articles | Volume 17, issue 22
Biogeosciences, 17, 5745–5761, 2020
https://doi.org/10.5194/bg-17-5745-2020

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

Biogeosciences, 17, 5745–5761, 2020
https://doi.org/10.5194/bg-17-5745-2020

Research article 23 Nov 2020

Research article | 23 Nov 2020

A numerical model study of the main factors contributing to hypoxia and its interannual and short-term variability in the East China Sea

Haiyan Zhang et al.

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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (29 Dec 2019) by Andreas Oschlies
AR by Katja Fennel on behalf of the Authors (18 May 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (26 May 2020) by Andreas Oschlies
RR by Anonymous Referee #2 (09 Jun 2020)
RR by Anonymous Referee #3 (26 Jun 2020)
ED: Reconsider after major revisions (27 Jun 2020) by Andreas Oschlies
ED: Reconsider after major revisions (01 Jul 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
AR by Katja Fennel on behalf of the Authors (03 Aug 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (20 Aug 2020) by Andreas Oschlies
RR by Anonymous Referee #3 (05 Sep 2020)
ED: Publish subject to minor revisions (review by editor) (14 Sep 2020) by Andreas Oschlies
ED: Publish subject to minor revisions (review by editor) (14 Sep 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
AR by Katja Fennel on behalf of the Authors (21 Sep 2020)  Author's response    Manuscript
ED: Publish as is (11 Oct 2020) by Andreas Oschlies
ED: Publish as is (12 Oct 2020) by Marilaure Grégoire(Co-Editor-in-Chief)
Short summary
In coastal seas, low oxygen, which is detrimental to coastal ecosystems, is increasingly caused by man-made nutrients from land. This is especially so near mouths of major rivers, including the Changjiang in the East China Sea. Here a simulation model is used to identify the main factors determining low-oxygen conditions in the region. High river discharge is identified as the prime cause, while wind and intrusions of open-ocean water modulate the severity and extent of low-oxygen conditions.
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