Articles | Volume 15, issue 15
Geosci. Model Dev., 15, 6243–6257, 2022
https://doi.org/10.5194/gmd-15-6243-2022
Geosci. Model Dev., 15, 6243–6257, 2022
https://doi.org/10.5194/gmd-15-6243-2022
Model evaluation paper
12 Aug 2022
Model evaluation paper | 12 Aug 2022

Checkerboard patterns in E3SMv2 and E3SM-MMFv2

Walter Hannah et al.

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Short summary
An unphysical checkerboard signal is identified in two configurations of the atmospheric component of E3SM. The signal is very persistent and visible after averaging years of data. The signal is very difficult to study because it is often mixed with realistic weather. A method is presented to detect checkerboard patterns and compare the model with satellite observations. The causes of the signal are identified, and a solution for one configuration is discussed.