Articles | Volume 13, issue 19
Biogeosciences, 13, 5633–5647, 2016
https://doi.org/10.5194/bg-13-5633-2016

Special issue: Hydrography, biogeochemistry, and biology of "dead-zone eddies"...

Biogeosciences, 13, 5633–5647, 2016
https://doi.org/10.5194/bg-13-5633-2016

Research article 10 Oct 2016

Research article | 10 Oct 2016

Oxygen utilization and downward carbon flux in an oxygen-depleted eddy in the eastern tropical North Atlantic

Björn Fiedler et al.

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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 (03 Jun 2016) by Leticia Cotrim da Cunha
AR by B. Fiedler on behalf of the Authors (15 Jul 2016)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (27 Jul 2016) by Leticia Cotrim da Cunha
RR by Anonymous Referee #2 (09 Aug 2016)
ED: Publish subject to minor revisions (Editor review) (10 Aug 2016) by Leticia Cotrim da Cunha
AR by B. Fiedler on behalf of the Authors (22 Aug 2016)  Author's response    Manuscript
ED: Publish as is (30 Aug 2016) by Leticia Cotrim da Cunha
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Short summary
Oxygen-depleted mesoscale features in the open eastern tropical North Atlantic, which are formed in the Mauritanian upwelling region, were discovered recently. This study examines biogeochemical structure and magnitudes of related processes within these isolated water masses. We found very low oxygen concentrations and strongly enhanced acidity at near-surface depth. Oxygen utilization and downward carbon export were found to exceed known values for this ocean region.
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