Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 5, issue 1
Articles | Volume 5, issue 1
https://doi.org/10.5194/wcd-5-395-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-5-395-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 1
Research article
 | 
18 Mar 2024
Research article |  | 18 Mar 2024

Mid-Pliocene not analogous to high-CO2 climate when considering Northern Hemisphere winter variability

Arthur Merlijn Oldeman, Michiel L. J. Baatsen, Anna S. von der Heydt, Aarnout J. van Delden, and Henk A. Dijkstra

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Short summary

The mid-Pliocene, a geological period around 3 million years ago, is sometimes considered the best analogue for near-future climate. It saw similar CO2 concentrations to the present-day but also a slightly different geography. In this study, we use climate model simulations and find that the Northern Hemisphere winter responds very differently to increased CO2 or to the mid-Pliocene geography. Our results weaken the potential of the mid-Pliocene as a future climate analogue.

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