Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 14
Articles | Volume 25, issue 14
https://doi.org/10.5194/acp-25-7683-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-7683-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 14
Research article
 | 
22 Jul 2025
Research article |  | 22 Jul 2025

Two-years of stratospheric chemistry perturbations from the 2019–2020 Australian wildfire smoke

Kane Stone, Susan Solomon, Pengfei Yu, Daniel M. Murphy, Douglas Kinnison, and Jian Guan

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Short summary
The Australian 2019–2020 wildfires injected a substantial amount of smoke into the upper atmosphere, causing unusual chemical reactions that altered the chemical makeup of the upper atmosphere. This led to ozone depletion in the Southern Hemisphere midlatitudes that likely did not fully recover until 2 years after the initial event due to the persistent chemical effects of the smoke.
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