Articles | Volume 17, issue 13
https://doi.org/10.5194/bg-17-3685-2020
https://doi.org/10.5194/bg-17-3685-2020
Research article
 | 
15 Jul 2020
Research article |  | 15 Jul 2020

The control of hydrogen sulfide on benthic iron and cadmium fluxes in the oxygen minimum zone off Peru

Anna Plass, Christian Schlosser, Stefan Sommer, Andrew W. Dale, Eric P. Achterberg, and Florian Scholz

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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 Feb 2020) by S. Wajih A. Naqvi
ED: Reconsider after major revisions (18 Feb 2020) by Marilaure Grégoire (Co-editor-in-chief)
AR by Anna Plass on behalf of the Authors (27 Feb 2020)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (04 Mar 2020) by S. Wajih A. Naqvi
RR by Edouard Metzger (20 Mar 2020)
ED: Reconsider after major revisions (23 Mar 2020) by S. Wajih A. Naqvi
ED: Reconsider after major revisions (23 Mar 2020) by Katja Fennel (Co-editor-in-chief)
AR by Anna Plass on behalf of the Authors (01 Apr 2020)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (11 Apr 2020) by S. Wajih A. Naqvi
RR by Anonymous Referee #2 (19 May 2020)
ED: Publish subject to minor revisions (review by editor) (22 May 2020) by S. Wajih A. Naqvi
ED: Publish subject to minor revisions (review by editor) (26 May 2020) by Marilaure Grégoire (Co-editor-in-chief)
AR by Anna Plass on behalf of the Authors (26 May 2020)  Author's response   Manuscript 
ED: Publish as is (05 Jun 2020) by S. Wajih A. Naqvi
ED: Publish as is (09 Jun 2020) by Marilaure Grégoire (Co-editor-in-chief)
AR by Anna Plass on behalf of the Authors (12 Jun 2020)  Manuscript 
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Short summary
We compare the cycling of Fe and Cd in sulfidic sediments of the Peruvian oxygen minimum zone. Due to the contrasting solubility of their sulfide minerals, the sedimentary Fe release and Cd burial fluxes covary with spatial and temporal distributions of H2S. Depending on the solubility of their sulfide minerals, sedimentary trace metal fluxes will respond differently to ocean deoxygenation/expansion of H2S concentrations, which may change trace metal stoichiometry of upwelling water masses.
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