Climate of the Past
Climate of the Past
CP
Articles | Volume 22, issue 6
Articles | Volume 22, issue 6
https://doi.org/10.5194/cp-22-1203-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-22-1203-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 6
Research article
 | 
17 Jun 2026
Research article |  | 17 Jun 2026

Shaping the mid-Miocene warmth: a sensitivity study on paleogeography, CO2 and model physics

Martin Renoult, Agatha de Boer, Ellen Berntell, and Trusha Jagdish Naik

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Short summary
During the mid-Miocene (~16 to 14 million years ago), Earth was much warmer with CO2 levels similar to what is expected for our future. Here, we perform simulations with a new geography of the mid-Miocene, which include changes in ice coverage, land and sea distribution, solar energy and CO2 concentrations. Despite high CO2 concentrations, our mid-Miocene is too cold compared to geological reconstructions, but shows great potential to understand future climate change and its sensitivity to CO2.
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