Articles | Volume 15, issue 23
https://doi.org/10.5194/bg-15-7111-2018
https://doi.org/10.5194/bg-15-7111-2018
Research article
 | 
29 Nov 2018
Research article |  | 29 Nov 2018

Pacific Decadal Oscillation and recent oxygen decline in the eastern tropical Pacific Ocean

Olaf Duteil, Andreas Oschlies, and Claus W. Böning

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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 (18 Jun 2018) by Marilaure Grégoire
AR by Olaf Duteil on behalf of the Authors (21 Jul 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (30 Jul 2018) by Marilaure Grégoire
RR by Anonymous Referee #1 (17 Aug 2018)
RR by Anonymous Referee #2 (20 Aug 2018)
ED: Publish subject to minor revisions (review by editor) (06 Sep 2018) by Marilaure Grégoire
AR by Olaf Duteil on behalf of the Authors (08 Oct 2018)  Author's response    Manuscript
ED: Publish as is (10 Oct 2018) by Marilaure Grégoire
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Short summary
Oxygen-depleted regions of the Pacific Ocean are currently expanding, which is threatening marine habitats. Based on numerical simulations, we show that the decrease in the intensity of the trade winds and the subsequent slowdown of the oceanic currents lead to a reduction in oxygen supply. Our study suggests that the prevailing positive conditions of the Pacific Decadal Oscillation since 1975, a major source of natural variability, may explain a significant part of the current deoxygenation.
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