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@ARTICLE{Manney:909810,
      author       = {Manney, Gloria L. and Butler, Amy H. and Wargan, Krzysztof
                      and Grooß, Jens-Uwe},
      title        = {{I}ntroduction to {S}pecial {C}ollection “{T}he
                      {E}xceptional {A}rctic {S}tratospheric {P}olar {V}ortex in
                      2019/2020: {C}auses and {C}onsequences”},
      journal      = {Journal of geophysical research / D},
      volume       = {127},
      number       = {18},
      issn         = {0148-0227},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {FZJ-2022-03431},
      pages        = {9},
      year         = {2022},
      abstract     = {This paper introduces the special collection in Geophysical
                      Research Letters and Journal of Geophysical Research:
                      Atmospheres on the exceptional stratospheric polar vortex in
                      2019/2020. Papers in this collection show that the 2019/2020
                      stratospheric polar vortex was the strongest, most
                      persistent, and coldest on record in the Arctic. The
                      unprecedented Arctic chemical processing and ozone loss in
                      spring 2020 have been studied using numerous satellite and
                      ground-based data sets and chemistry-transport models.
                      Quantitative estimates of chemical loss are broadly
                      consistent among the studies and show profile loss of about
                      the same magnitude as in the Arctic in 2011, but with most
                      loss at lower altitudes; column loss was comparable to or
                      larger than that in 2011. Several papers show evidence of
                      dynamical coupling from the mesosphere down to the surface.
                      Studies of tropospheric influence and impacts link the
                      exceptionally strong vortex to reflection of upward
                      propagating waves and show coupling to tropospheric
                      anomalies, including extreme heat, precipitation,
                      windstorms, and marine cold air outbreaks. Predictability of
                      the exceptional stratospheric polar vortex in 2019/2020 and
                      related predictability of surface conditions are explored.
                      The exceptionally strong stratospheric polar vortex in
                      2019/2020 highlights the extreme interannual variability in
                      the Arctic winter/spring stratosphere and the far-reaching
                      consequences of such extremes.},
      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:000859030700001},
      doi          = {10.1029/2022JD037381},
      url          = {https://juser.fz-juelich.de/record/909810},
}