Articles | Volume 13, issue 8
https://doi.org/10.5194/gmd-13-3465-2020
https://doi.org/10.5194/gmd-13-3465-2020
Development and technical paper
 | 
04 Aug 2020
Development and technical paper |  | 04 Aug 2020

On the increased climate sensitivity in the EC-Earth model from CMIP5 to CMIP6

Klaus Wyser, Twan van Noije, Shuting Yang, Jost von Hardenberg, Declan O'Donnell, and Ralf Döscher

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Short summary
The EC-Earth model used for CMIP6 is found to have a higher equilibrium climate sensitivity (ECS) than its predecessor used for CMIP5. In a series of sensitivity experiments, we investigate which model updates since CMIP5 have contributed to the increase in ECS. The main reason for the higher sensitivity in the EC-Earth model is the improved representation of the aerosol–radiation and aerosol–cloud interactions.
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