Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 24, issue 12
Articles | Volume 24, issue 12
https://doi.org/10.5194/acp-24-7203-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-7203-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 12
Research article
 | 
24 Jun 2024
Research article |  | 24 Jun 2024

Why does stratospheric aerosol forcing strongly cool the warm pool?

Moritz Günther, Hauke Schmidt, Claudia Timmreck, and Matthew Toohey

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Short summary
Stratospheric aerosol has been shown to cause pronounced cooling in the tropical Indian and western Pacific oceans. Using a climate model, we show that this arises from enhanced meridional energy export via the stratosphere. The aerosol causes stratospheric heating and thus an acceleration of the Brewer–Dobson circulation that accomplishes this transport. Our findings highlight the importance of circulation adjustments and surface perspectives on forcing for understanding temperature responses.
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