Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 2
Articles | Volume 21, issue 2
https://doi.org/10.5194/cp-21-381-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-21-381-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 2
Research article
 | 
05 Feb 2025
Research article |  | 05 Feb 2025

Testing the reliability of global surface temperature reconstructions of the Last Glacial Cycle with pseudo-proxy experiments

Jean-Philippe Baudouin, Nils Weitzel, Maximilian May, Lukas Jonkers, Andrew M. Dolman, and Kira Rehfeld

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Short summary
Earth's past temperature reconstructions are critical for understanding climate change. We test the ability of these reconstructions using climate simulations. Uncertainties, mainly from past temperature measurement methods and age determination, impact reconstructions over time. While more data enhance accuracy for long-term trends, high-quality data are more important for short-term precision. Our study lays the groundwork for better reconstructions and suggests avenues for improvement.

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Understanding past climate variability to enhance future climate-change...