Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 24, issue 19
Articles | Volume 24, issue 19
https://doi.org/10.5194/acp-24-11207-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-11207-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 19
Research article
 | 
09 Oct 2024
Research article |  | 09 Oct 2024

Present-day methane shortwave absorption mutes surface warming relative to preindustrial conditions

Robert J. Allen, Xueying Zhao, Cynthia A. Randles, Ryan J. Kramer, Bjørn H. Samset, and Christopher J. Smith

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Latest update: 30 Apr 2026
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Short summary
Present-day methane shortwave absorption mutes 28% (7–55%) of the surface warming associated with its longwave absorption. The precipitation increase associated with the longwave radiative effects of the present-day methane perturbation is also muted by shortwave absorption but not significantly so.  Methane shortwave absorption also impacts the magnitude of its climate feedback parameter, largely through the cloud feedback.
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