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@ARTICLE{Weimer:893366,
      author       = {Weimer, Michael and Buchmüller, Jennifer and Hoffmann,
                      Lars and Kirner, Ole and Luo, Beiping and Ruhnke, Roland and
                      Steiner, Michael and Tritscher, Ines and Braesicke, Peter},
      title        = {{M}ountain-wave-induced polar stratospheric clouds and
                      their representation in the global chemistry model
                      {ICON}-{ART}},
      journal      = {Atmospheric chemistry and physics},
      volume       = {21},
      number       = {12},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2021-02707},
      pages        = {9515 - 9543},
      year         = {2021},
      abstract     = {Polar stratospheric clouds (PSCs) are a driver for ozone
                      depletion in the lower polar stratosphere. They provide
                      surface for heterogeneous reactions activating chlorine and
                      bromine reservoir species during the polar night. The
                      large-scale effects of PSCs are represented by means of
                      parameterisations in current global chemistry–climate
                      models, but one process is still a challenge: the
                      representation of PSCs formed locally in conjunction with
                      unresolved mountain waves. In this study, we investigate
                      direct simulations of PSCs formed by mountain waves with the
                      ICOsahedral Nonhydrostatic modelling framework (ICON) with
                      its extension for Aerosols and Reactive Trace gases (ART)
                      including local grid refinements (nesting) with two-way
                      interaction. Here, the nesting is set up around the
                      Antarctic Peninsula, which is a well-known hot spot for the
                      generation of mountain waves in the Southern Hemisphere. We
                      compare our model results with satellite measurements of
                      PSCs from the Cloud-Aerosol Lidar with Orthogonal
                      Polarization (CALIOP) and gravity wave observations of the
                      Atmospheric Infrared Sounder (AIRS). For a mountain wave
                      event from 19 to 29 July 2008 we find similar structures of
                      PSCs as well as a fairly realistic development of the
                      mountain wave between the satellite data and the ICON-ART
                      simulations in the Antarctic Peninsula nest. We compare a
                      global simulation without nesting with the nested
                      configuration to show the benefits of adding the nesting.
                      Although the mountain waves cannot be resolved explicitly at
                      the global resolution used (about 160 km), their effect
                      from the nested regions (about 80 and 40 km) on the global
                      domain is represented. Thus, we show in this study that the
                      ICON-ART model has the potential to bridge the gap between
                      directly resolved mountain-wave-induced PSCs and their
                      representation and effect on chemistry at coarse global
                      resolutions.},
      cin          = {JSC / IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JSC-20090406 / I:(DE-Juel1)IEK-7-20101013},
      pnm          = {5111 - Domain-Specific Simulation Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511) / 2112 - Climate
                      Feedbacks (POF4-211) / DFG project 310479827 -
                      Stratosphärische Wasserdampf Simulationen: Von den
                      Polarregionen zur Tropischen Tropopause},
      pid          = {G:(DE-HGF)POF4-5111 / G:(DE-HGF)POF4-2112 /
                      G:(GEPRIS)310479827},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000667944900001},
      doi          = {10.5194/acp-21-9515-2021},
      url          = {https://juser.fz-juelich.de/record/893366},
}