Climate of the Past
Climate of the Past
CP
Articles | Volume 20, issue 6
Articles | Volume 20, issue 6
https://doi.org/10.5194/cp-20-1349-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-20-1349-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 6
Research article
 | 
17 Jun 2024
Research article |  | 17 Jun 2024

New estimation of critical insolation–CO2 relationship for triggering glacial inception

Stefanie Talento, Matteo Willeit, and Andrey Ganopolski

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Short summary
To trigger glacial inception, the summer maximum insolation at high latitudes in the Northern Hemisphere must be lower than a critical value. This value is not constant but depends on the atmospheric CO2 concentration. Paleoclimatic data do not give enough information to derive the relationship between the critical threshold and CO2. However, knowledge of such a relation is important for predicting future glaciations and the impact anthropogenic CO2 emissions might have on them.
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