Articles | Volume 15, issue 18
Biogeosciences, 15, 5653–5662, 2018
https://doi.org/10.5194/bg-15-5653-2018
Biogeosciences, 15, 5653–5662, 2018
https://doi.org/10.5194/bg-15-5653-2018
Research article
21 Sep 2018
Research article | 21 Sep 2018

Increase of dissolved inorganic carbon and decrease in pH in near-surface waters in the Mediterranean Sea during the past two decades

Liliane Merlivat et al.

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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 (12 Dec 2017) by Jack Middelburg
AR by Liliane Merlivat on behalf of the Authors (08 Jan 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (09 Jan 2018) by Jack Middelburg
RR by Anonymous Referee #1 (13 Jan 2018)
RR by Anonymous Referee #2 (03 Apr 2018)
ED: Reconsider after major revisions (06 Apr 2018) by Jack Middelburg
AR by Liliane Merlivat on behalf of the Authors (31 May 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (05 Jun 2018) by Jack Middelburg
RR by Anonymous Referee #2 (21 Aug 2018)
ED: Publish subject to minor revisions (review by editor) (22 Aug 2018) by Jack Middelburg
AR by Liliane Merlivat on behalf of the Authors (03 Sep 2018)  Author's response    Manuscript
ED: Publish subject to technical corrections (04 Sep 2018) by Jack Middelburg
Short summary
The fugacity of carbon dioxide in seawater (fCO2) was measured hourly in the surface waters of the NW Mediterranean Sea during two 3-year sequences separated by 18 years. A decrease of pH of 0.0022 yr−1 was computed. About 85 % of the accumulation of dissolved inorganic carbon (DIC) comes from chemical equilibration with increasing atmospheric CO2; the remaining 15 % accumulation is consistent with estimates of transfer of Atlantic waters through the Gibraltar Strait.
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