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@ARTICLE{Gryspeerdt:856665,
      author       = {Gryspeerdt, Edward and Sourdeval, Odran and Quaas, Johannes
                      and Delanoë, Julien and Krämer, Martina and Kühne,
                      Philipp},
      title        = {{I}ce crystal number concentration estimates from
                      lidar–radar satellite remote sensing – {P}art 2:
                      {C}ontrols on the ice crystal number concentration},
      journal      = {Atmospheric chemistry and physics},
      volume       = {18},
      number       = {19},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2018-06027},
      pages        = {14351 - 14370},
      year         = {2018},
      abstract     = {The ice crystal number concentration (Ni) is a key property
                      of ice clouds, both radiatively and microphysically. Due to
                      sparse in situ measurements of ice cloud properties, the
                      controls on the Ni have remained difficult to determine. As
                      more advanced treatments of ice clouds are included in
                      global models, it is becoming increasingly necessary to
                      develop strong observational constraints on the processes
                      involved.This work uses the DARDAR-Nice Ni retrieval
                      described in Part 1 to investigate the controls on the Ni at
                      a global scale. The retrieved clouds are separated by type.
                      The effects of temperature, proxies for in-cloud updraft and
                      aerosol concentrations are investigated. Variations in the
                      cloud top Ni (Ni(top)) consistent with both homogeneous and
                      heterogeneous nucleation are observed along with differing
                      relationships between aerosol and Ni(top) depending on the
                      prevailing meteorological situation and aerosol type. Away
                      from the cloud top, the Ni displays a different sensitivity
                      to these controlling factors, providing a possible
                      explanation for the low Ni sensitivity to temperature and
                      ice nucleating particles (INP) observed in previous in situ
                      studies.This satellite dataset provides a new way of
                      investigating the response of cloud properties to
                      meteorological and aerosol controls. The results presented
                      in this work increase our confidence in the retrieved Ni and
                      will form the basis for further study into the processes
                      influencing ice and mixed phase clouds.},
      cin          = {IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-7-20101013},
      pnm          = {244 - Composition and dynamics of the upper troposphere and
                      middle atmosphere (POF3-244)},
      pid          = {G:(DE-HGF)POF3-244},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000446731000005},
      doi          = {10.5194/acp-18-14351-2018},
      url          = {https://juser.fz-juelich.de/record/856665},
}