Carbon uptake and biogeochemical change in the Southern Ocean, south of Tasmania

Pardo, Paula Conde; Tilbrook, Bronte; Langlais, Clothilde; Trull, Thomas William; Rintoul, Stephen Rich

doi:https://doi.org/10.5194/bg-14-5217-2017

Articles | Volume 14, issue 22

Biogeosciences, 14, 5217–5237, 2017

https://doi.org/10.5194/bg-14-5217-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The Ocean in a High-CO₂ World IV

Biogeosciences, 14, 5217–5237, 2017

https://doi.org/10.5194/bg-14-5217-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 22

Research article 21 Nov 2017

Research article | 21 Nov 2017

Carbon uptake and biogeochemical change in the Southern Ocean, south of Tasmania

Paula Conde Pardo et al.

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Final revised paper (published on 21 Nov 2017)
Supplement to the final revised paper
Preprint (discussion started on 07 Jun 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'review of Pardo et al.', Anonymous Referee #1, 07 Aug 2017
RC2: 'REVIEW of “Carbon uptake and biogeochemical change in the Southern Ocean, south of Tasmania”', Marta Álvarez, 08 Aug 2017
AC1: 'Answers of the co-authors to referee 1', Paula C. Pardo, 05 Sep 2017
AC2: 'Answers of the co-authors to referee 2 Dr. Marta Alvarez', Paula C. Pardo, 05 Sep 2017

Peer-review completion

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

ED: Publish subject to minor revisions (Editor review) (18 Sep 2017) by Kristy Kroeker

AR by Paula C. Pardo on behalf of the Authors (27 Sep 2017) Author's response Manuscript

ED: Publish as is (02 Oct 2017) by Kristy Kroeker

AR by Paula C. Pardo on behalf of the Authors (10 Oct 2017) Author's response Manuscript

Short summary

The carbon content of the water masses of the Southern Ocean south of Tasmania has increased over the period 1995–2011, leading to a general decrease in pH. An enhancement in the upwelling of DIC-rich deep waters is the main plausible cause of the increase in carbon in surface waters south of the Polar Front. North of the Polar Front, strong winds favor the ventilation of surface to intermediate layers, where the DIC increase is explained by the uptake of atmospheric CO₂.