Articles | Volume 17, issue 1
Biogeosciences, 17, 13–33, 2020
https://doi.org/10.5194/bg-17-13-2020
Biogeosciences, 17, 13–33, 2020
https://doi.org/10.5194/bg-17-13-2020

Research article 02 Jan 2020

Research article | 02 Jan 2020

Benthic alkalinity and dissolved inorganic carbon fluxes in the Rhône River prodelta generated by decoupled aerobic and anaerobic processes

Jens Rassmann et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (30 May 2019) by Jack Middelburg
AR by Christophe Rabouille on behalf of the Authors (08 Jul 2019)  Author's response
ED: Referee Nomination & Report Request started (11 Jul 2019) by Jack Middelburg
RR by Anonymous Referee #3 (25 Oct 2019)
ED: Publish subject to minor revisions (review by editor) (25 Oct 2019) by Jack Middelburg
AR by Christophe Rabouille on behalf of the Authors (08 Nov 2019)  Author's response
ED: Publish subject to technical corrections (18 Nov 2019) by Jack Middelburg
AR by Christophe Rabouille on behalf of the Authors (21 Nov 2019)  Author's response    Manuscript
Short summary
In this paper, we use a large set of measurements made using in situ and lab techniques to elucidate the cause of dissolved inorganic carbon fluxes in sediments from the Rhône delta and its companion compound alkalinity, which carries the absorption capacity of coastal waters with respect to atmospheric CO2. We show that sediment processes (sulfate reduction, FeS precipitation and accumulation) are crucial in generating the alkalinity fluxes observed in this study by in situ incubation chambers.
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