Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 18, issue 24
Articles | Volume 18, issue 24
https://doi.org/10.5194/gmd-18-10221-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-18-10221-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 24
Methods for assessment of models
 | 
22 Dec 2025
Methods for assessment of models |  | 22 Dec 2025

Replicability in Earth System Models

Kai R. Keller, Marta Alerany Solé, and Mario Acosta

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Short summary
Can we be sure that different computing environments, that should not change the model climate, indeed leave the climate unaltered? In this article, we present a novel methodology that answers whether two model climates are statistically the same. Besides a new methodology, able to detect significant differences between two model climates 60 % more accurately than a similar recent state-of-the-art method, we also provide an analysis on what actually constitutes a different climate.
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