Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 21
Articles | Volume 26, issue 21
https://doi.org/10.5194/acp-26-15309-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-15309-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 21
Research article
 | 
30 Oct 2026
Research article |  | 30 Oct 2026

Trends in measured and modeled lower stratospheric Antarctic vortex ozone over the past two decades

Lucien Froidevaux, Michael J. Schwartz, Douglas E. Kinnison, Nathaniel J. Livesey, Gloria L. Manney, Michelle L. Santee, William G. Read, and Ryan A. Fuller

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Short summary
We examine 20 years (2004–2023) of vertical profiles of winter/spring lower stratospheric ozone inside the Antarctic vortex, based on satellite observations and a chemistry climate model. The observations show increases in the smallest ozone values, as well as trends consistent with a slow recovery from the long-term impact of ozone-depleting substances. The model also shows some reductions in lower stratospheric seasonal Antarctic ozone losses, in broad agreement with the observations.
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