Response of the carbon cycle in an intermediate complexity model to the different climate configurations of the last nine interglacials

Bouttes, Nathaelle; Swingedouw, Didier; Roche, Didier M.; Sanchez-Goni, Maria F.; Crosta, Xavier

doi:https://doi.org/10.5194/cp-14-239-2018

Articles | Volume 14, issue 2

https://doi.org/10.5194/cp-14-239-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/cp-14-239-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 2

Research article

|

02 Mar 2018

Research article |

| 02 Mar 2018

Response of the carbon cycle in an intermediate complexity model to the different climate configurations of the last nine interglacials

Nathaelle Bouttes, Didier Swingedouw, Didier M. Roche, Maria F. Sanchez-Goni, and Xavier Crosta

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Final revised paper (published on 02 Mar 2018)
Supplement to the final revised paper
Preprint (discussion started on 08 Nov 2016)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'More context needed', Anonymous Referee #1, 12 Dec 2016
- AC1: 'Response to reviewer #1', Nathaelle Bouttes, 27 Oct 2017
RC2: 'Review of "Response of the carbon cycle to the different orbital configurations of the last 9 interglacials"', Anonymous Referee #2, 22 Feb 2017
- AC2: 'Response to reviewer #2', Nathaelle Bouttes, 27 Oct 2017

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (13 Nov 2017) by Arne Winguth

AR by Nathaelle Bouttes on behalf of the Authors (16 Nov 2017) Author's response Manuscript

ED: Publish as is (06 Dec 2017) by Arne Winguth

Short summary

Atmospheric CO₂ is key for climate change. CO₂ is lower during the oldest warm period of the last million years, the interglacials, than during the most recent ones (since 430 000 years ago). This difference has not been explained yet, but could be due to changes of ocean circulation. We test this hypothesis and the role of vegetation and ice sheets using an intermediate complexity model. We show that only small changes of CO₂ can be obtained, underlying missing feedbacks or mechanisms.