Articles | Volume 21, issue 18
Atmos. Chem. Phys., 21, 14019–14037, 2021
https://doi.org/10.5194/acp-21-14019-2021
Atmos. Chem. Phys., 21, 14019–14037, 2021
https://doi.org/10.5194/acp-21-14019-2021
Research article
21 Sep 2021
Research article | 21 Sep 2021

Exceptional loss in ozone in the Arctic winter/spring of 2019/2020

Jayanarayanan Kuttippurath et al.

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Latest update: 03 Dec 2022
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Short summary
The Arctic winter/spring 2020 was one of the coldest with a strong and long-lasting vortex, high chlorine activation, severe denitrification, and unprecedented ozone loss. The loss was even equal to the levels of some of the warm Antarctic winters. Total column ozone values below 220 DU for several weeks and ozone loss saturation were observed during the period. These results show an unusual meteorology and warrant dedicated studies on the impact of climate change on ozone loss.
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