Articles | Volume 16, issue 6
https://doi.org/10.5194/gmd-16-1569-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-16-1569-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
20 Mar 2023
Development and technical paper |
| 20 Mar 2023
| 20 Mar 2023
UKESM1.1: development and evaluation of an updated configuration of the UK Earth System Model
Jane P. Mulcahy
CORRESPONDING AUTHOR
Met Office Hadley Centre, Exeter, UK
Colin G. Jones
National Centre for Atmospheric Science, University of Leeds, Leeds, UK
School of Earth and Environment, University of Leeds, Leeds, UK
Steven T. Rumbold
National Centre for Atmospheric Science, University of Leeds, Leeds, UK
Department of Meteorology, University of Reading, Reading, UK
Till Kuhlbrodt
National Centre for Atmospheric Science, University of Leeds, Leeds, UK
Department of Meteorology, University of Reading, Reading, UK
Andrea J. Dittus
National Centre for Atmospheric Science, University of Leeds, Leeds, UK
Department of Meteorology, University of Reading, Reading, UK
Edward W. Blockley
Met Office Hadley Centre, Exeter, UK
Andrew Yool
National Oceanography Centre, Southampton, UK
Jeremy Walton
Met Office Hadley Centre, Exeter, UK
Catherine Hardacre
Met Office Hadley Centre, Exeter, UK
Timothy Andrews
Met Office Hadley Centre, Exeter, UK
Alejandro Bodas-Salcedo
Met Office Hadley Centre, Exeter, UK
Marc Stringer
National Centre for Atmospheric Science, University of Leeds, Leeds, UK
Department of Meteorology, University of Reading, Reading, UK
Lee de Mora
Plymouth Marine Laboratory, Plymouth, UK
Phil Harris
UK Centre for Ecology and Hydrology, Wallingford, UK
Richard Hill
Met Office Hadley Centre, Exeter, UK
Doug Kelley
UK Centre for Ecology and Hydrology, Wallingford, UK
Eddy Robertson
Met Office Hadley Centre, Exeter, UK
Yongming Tang
Met Office Hadley Centre, Exeter, UK
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Latest update: 08 Nov 2025
Short summary
Recent global climate models simulate historical global mean surface temperatures which are too cold, possibly to due to excessive aerosol cooling. This raises questions about the models' ability to simulate important climate processes and reduces confidence in future climate predictions. We present a new version of the UK Earth System Model, which has an improved aerosols simulation and a historical temperature record. Interestingly, the long-term response to CO2 remains largely unchanged.
Recent global climate models simulate historical global mean surface temperatures which are too...
