Articles | Volume 23, issue 24
https://doi.org/10.5194/acp-23-15655-2023
https://doi.org/10.5194/acp-23-15655-2023
Research article
 | 
20 Dec 2023
Research article |  | 20 Dec 2023

Trends in polar ozone loss since 1989: potential sign of recovery in the Arctic ozone column

Andrea Pazmiño, Florence Goutail, Sophie Godin-Beekmann, Alain Hauchecorne, Jean-Pierre Pommereau, Martyn P. Chipperfield, Wuhu Feng, Franck Lefèvre, Audrey Lecouffe, Michel Van Roozendael, Nis Jepsen, Georg Hansen, Rigel Kivi, Kimberly Strong, and Kaley A. Walker

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Latest update: 22 Jul 2024
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Short summary
The vortex-averaged ozone loss over the last 3 decades is evaluated for both polar regions using the passive ozone tracer of the chemical transport model TOMCAT/SLIMCAT and total ozone observations from the SAOZ network and MSR2 reanalysis. Three metrics were developed to compute ozone trends since 2000. The study confirms the ozone recovery in the Antarctic and shows a potential sign of quantitative detection of ozone recovery in the Arctic that needs to be robustly confirmed in the future.
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