Ocean acidification in the subpolar North Atlantic: rates and mechanisms  controlling pH changes

García-Ibáñez, Maribel I.; Zunino, Patricia; Fröb, Friederike; Carracedo, Lidia I.; Ríos, Aida F.; Mercier, Herlé; Olsen, Are; Pérez, Fiz F.

doi:https://doi.org/10.5194/bg-13-3701-2016

Articles | Volume 13, issue 12

https://doi.org/10.5194/bg-13-3701-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-13-3701-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 12

Research article

|

23 Jun 2016

Research article |

| 23 Jun 2016

Ocean acidification in the subpolar North Atlantic: rates and mechanisms controlling pH changes

Maribel I. García-Ibáñez, Patricia Zunino, Friederike Fröb, Lidia I. Carracedo, Aida F. Ríos, Herlé Mercier, Are Olsen, and Fiz F. Pérez

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Final revised paper (published on 23 Jun 2016)
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Preprint (discussion started on 29 Feb 2016)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Review of 'Ocean acidification in the North Atlantic: controlling mechanisms'', Anonymous Referee #1, 13 Apr 2016
- AC1: 'Author's response to Anonymous Referee #1', Maribel I. García-Ibáñez, 23 May 2016
RC2: 'Review of “Ocean acidification in the North Atlantic: controlling mechanisms”', Anonymous Referee #2, 29 Apr 2016
- AC2: 'Author's response to Anonymous Referee #2', Maribel I. García-Ibáñez, 23 May 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (Editor review) (24 May 2016) by Jack Middelburg

AR by Maribel I. García-Ibáñez on behalf of the Authors (24 May 2016) Author's response

ED: Publish subject to technical corrections (27 May 2016) by Jack Middelburg

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Short summary

We assessed the progressive acidification (pH decrease) of the North Atlantic waters from direct observations between 1991 and 2015. The greatest pH decreases were observed in surface and intermediate waters. We conclude that the observed pH decreases are a consequence of the oceanic uptake of anthropogenic CO₂. In addition we find that they have been partially offset by alkalinity increases.