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@ARTICLE{Kuttippurath:896753,
      author       = {Kuttippurath, Jayanarayanan and Feng, Wuhu and Müller,
                      Rolf and Kumar, Pankaj and Raj, Sarath and Gopikrishnan,
                      Gopalakrishna Pillai and Roy, Raina},
      title        = {{E}xceptional loss in ozone in the {A}rctic winter/spring
                      of 2019/2020},
      journal      = {Atmospheric chemistry and physics},
      volume       = {21},
      number       = {18},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2021-03577},
      pages        = {14019 - 14037},
      year         = {2021},
      abstract     = {Severe 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.},
      cin          = {IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-7-20101013},
      pnm          = {2112 - Climate Feedbacks (POF4-211)},
      pid          = {G:(DE-HGF)POF4-2112},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000697603300005},
      doi          = {10.5194/acp-21-14019-2021},
      url          = {https://juser.fz-juelich.de/record/896753},
}