Articles | Volume 14, issue 2
https://doi.org/10.5194/cp-14-239-2018
https://doi.org/10.5194/cp-14-239-2018
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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Latest update: 24 Jun 2024
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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.