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

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

doi:10.5194/acp-23-15655-2023

Articles | Volume 23, issue 24

https://doi.org/10.5194/acp-23-15655-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Atmospheric ozone and related species in the early 2020s:...

https://doi.org/10.5194/acp-23-15655-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 23, issue 24

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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Cumulative views and downloads (calculated since 12 May 2023)

Month	HTML	PDF	XML	Total
May 2023	152	65	6	223
Jun 2023	58	17	3	78
Jul 2023	52	14	3	69
Aug 2023	34	5	0	39
Sep 2023	37	16	5	58
Oct 2023	38	10	3	51
Nov 2023	13	6	0	19
Dec 2023	205	40	8	253
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Feb 2024	47	10	1	58
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Jun 2024	90	20	3	113
Jul 2024	65	16	4	85
Aug 2024	75	13	3	91
Sep 2024	104	3	1	108
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Nov 2024	43	9	2	54
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Jan 2025	44	28	0	72
Feb 2025	45	10	0	55
Mar 2025	65	32	5	102
Apr 2025	65	44	4	113
May 2025	91	27	1	119
Jun 2025	88	33	7	128
Jul 2025	72	34	2	108
Aug 2025	167	47	1	215
Sep 2025	471	42	3	516
Oct 2025	52	21	8	81
Nov 2025	116	81	21	218
Dec 2025	82	39	2	123
Jan 2026	121	40	12	173
Feb 2026	132	26	6	164
Mar 2026	115	53	14	182
Apr 2026	131	64	8	203
May 2026	66	16	3	85
Jun 2026	9	1	2	12

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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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