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000896753 1001_ $$0P:(DE-HGF)0$$aKuttippurath, Jayanarayanan$$b0$$eCorresponding author
000896753 245__ $$aExceptional loss in ozone in the Arctic winter/spring of 2019/2020
000896753 260__ $$aKatlenburg-Lindau$$bEGU$$c2021
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000896753 520__ $$aSevere vortex-wide ozone loss in the Arctic would expose both ecosystems and several millions of people to unhealthy ultraviolet radiation. Adding to these worries, and extreme events as the harbingers of climate change, exceptionally low ozone with column values below 220 DU occurred over the Arctic in March and April 2020. Sporadic occurrences of low ozone with less than 220 DU at different regions of the vortex for almost 3 weeks were found for the first time in the observed history in the Arctic. Furthermore, a large ozone loss of about 2.0–3.4 ppmv triggered by an unprecedented chlorine activation (1.5–2.2 ppbv) matching the levels occurring in the Antarctic was also observed. The polar processing situation led to the first-ever appearance of loss saturation in the Arctic. Apart from these, there were also ozone-mini holes in December 2019 and January 2020 driven by atmospheric dynamics. The large loss in ozone in the colder Arctic winters is intriguing and demands rigorous monitoring of the region.
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000896753 7001_ $$00000-0002-9907-9120$$aFeng, Wuhu$$b1
000896753 7001_ $$0P:(DE-Juel1)129138$$aMüller, Rolf$$b2
000896753 7001_ $$0P:(DE-Juel1)168181$$aKumar, Pankaj$$b3
000896753 7001_ $$00000-0001-9352-5356$$aRaj, Sarath$$b4
000896753 7001_ $$00000-0002-8120-0391$$aGopikrishnan, Gopalakrishna Pillai$$b5
000896753 7001_ $$0P:(DE-HGF)0$$aRoy, Raina$$b6
000896753 773__ $$0PERI:(DE-600)2069847-1$$a10.5194/acp-21-14019-2021$$gVol. 21, no. 18, p. 14019 - 14037$$n18$$p14019 - 14037$$tAtmospheric chemistry and physics$$v21$$x1680-7324$$y2021
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