Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 2
Articles | Volume 26, issue 2
https://doi.org/10.5194/acp-26-1021-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-1021-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 2
Research article
 | 
21 Jan 2026
Research article |  | 21 Jan 2026

Impact of the Indian Ocean sea surface temperature on the Southern Hemisphere middle atmosphere

Chengyun Yang, Xiang Guo, Tao Li, Xinyue Wang, Jun Zhang, Xin Fang, and Xianghui Xue

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Short summary
The Indian Ocean strongly influences weather and climate far beyond its region. We found that unusual sea surface warming patterns in the midlatitude Indian Ocean can disrupt winds and temperatures in the middle atmosphere, including the stratosphere and mesosphere, of the Southern Hemisphere. These disturbances alter ozone and air movement and may affect polar climate. Our results highlight the need to include Indian Ocean variability in climate models for better predictions.
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