Articles | Volume 18, issue 23
https://doi.org/10.5194/gmd-18-9767-2025
https://doi.org/10.5194/gmd-18-9767-2025
Model description paper
 | 
09 Dec 2025
Model description paper |  | 09 Dec 2025

QuadTune version 1: a regional tuner for global atmospheric models

Vincent E. Larson, Zhun Guo, Benjamin A. Stephens, Colin Zarzycki, Gerhard Dikta, Yun Qian, and Shaocheng Xie

Model code and software

larson-group/v3atm: Pre-EAMv3 code used in 2025 QuadTune v1 paper Zhun Guo et al. https://doi.org/10.5281/zenodo.15121834

larson-group/quadtune: Tuning code used in 2025 QuadTune v1 GMD paper Vincent Larson et al. https://doi.org/10.5281/zenodo.15132492

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Short summary
Global models of the atmosphere contain errors that lead to inaccurate simulations. A software tool ("QuadTune") is presented that attempts to mitigate errors related to suboptimal parameter values. It also displays diagnostic plots that provide hints about where structural errors might lie in the model.
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