Articles | Volume 14, issue 9
Geosci. Model Dev., 14, 5355–5372, 2021
https://doi.org/10.5194/gmd-14-5355-2021

Special issue: The Canadian Earth System Model version 5

Geosci. Model Dev., 14, 5355–5372, 2021
https://doi.org/10.5194/gmd-14-5355-2021

Model evaluation paper 31 Aug 2021

Model evaluation paper | 31 Aug 2021

Cloud Feedbacks from CanESM2 to CanESM5.0 and their influence on climate sensitivity

John G. Virgin et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gmd-2021-11', Anonymous Referee #1, 31 Mar 2021
  • RC2: 'Comment on gmd-2021-11', Anonymous Referee #2, 13 Apr 2021
  • AC1: 'Comment on gmd-2021-11', John Virgin, 01 Jul 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by John Virgin on behalf of the Authors (01 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (13 Jul 2021) by Axel Lauer
RR by Anonymous Referee #2 (23 Jul 2021)
ED: Publish subject to minor revisions (review by editor) (26 Jul 2021) by Axel Lauer
AR by John Virgin on behalf of the Authors (26 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (27 Jul 2021) by Axel Lauer
AR by John Virgin on behalf of the Authors (03 Aug 2021)  Author's response    Manuscript
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Short summary
Equilibrium climate sensitivity, or the amount of warming the Earth would exhibit a result of a doubling of atmospheric CO2, is a common metric used in assessments of climate models. Here, we compare climate sensitivity between two versions of the Canadian Earth System Model. We find the newest iteration of the model (version 5) to have higher climate sensitivity due to reductions in low-level clouds, which reflect radiation and cool the planet, as the surface warms.