The Southern Ocean as a constraint to reduce uncertainty in future ocean carbon sinks

Kessler, A.; Tjiputra, J.

doi:https://doi.org/10.5194/esd-7-295-2016

Articles | Volume 7, issue 2

https://doi.org/10.5194/esd-7-295-2016

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

https://doi.org/10.5194/esd-7-295-2016

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

Articles | Volume 7, issue 2

Research article

|

07 Apr 2016

Research article |

| 07 Apr 2016

The Southern Ocean as a constraint to reduce uncertainty in future ocean carbon sinks

A. Kessler and J. Tjiputra

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Final revised paper (published on 07 Apr 2016)
Preprint (discussion started on 21 Dec 2015)

Interactive discussion

Status: closed

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

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- Supplement

RC C1081: 'Review of Kessler and Tjiputra “Southern Ocean as a constraint to reduce uncertainty in future ocean carbon sinks”', Anonymous Referee #1, 15 Jan 2016
- AC C1222: 'Response to Referee#1 comments', Jerry Tjiputra, 04 Mar 2016
RC C1118: 'Comment from reviewer #2 on esd-2015-86 - Southern Ocean as a constrain to reduce uncertainty in future ocean carbon sinks', Anonymous Referee #2, 27 Jan 2016
- AC C1223: 'Response to Referee#2 comments', Jerry Tjiputra, 04 Mar 2016

Peer-review completion

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

AR by Jerry Tjiputra on behalf of the Authors (04 Mar 2016) Author's response

ED: Referee Nomination & Report Request started (07 Mar 2016) by Christian Franzke

RR by Anonymous Referee #1 (11 Mar 2016)

RR by Anonymous Referee #2 (15 Mar 2016)

ED: Publish subject to technical corrections (15 Mar 2016) by Christian Franzke

AR by Jerry Tjiputra on behalf of the Authors (15 Mar 2016) Manuscript

Short summary

The uncertainty of ocean carbon uptake in ESMs is projected to grow 2-fold by the end of the 21st century. We found that models that take up anomalously low (high) CO₂ in the Southern Ocean (SO) today project low (high) cumulative CO₂ uptake in the 21st century; thus the SO can be used to constrain future global uptake uncertainty. Inter-model spread in the SO carbon sink arises from variations in the pCO₂ seasonality, specifically bias in the simulated timing and amplitude of NPP and SST.