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@ARTICLE{Lamquin:22397,
      author       = {Lamquin, N. and Stubenrauch, C.J. and Gierens, K. and
                      Burkhardt, U. and Smit, H.},
      title        = {{A} global climatology of upper-tropospheric ice
                      supersaturation occurence inferred from the {A}tmospheric
                      {I}nfrared {S}ounder calibrated by {MOZAIC}},
      journal      = {Atmospheric chemistry and physics},
      volume       = {12},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-22397},
      pages        = {381 - 405},
      year         = {2012},
      note         = {This work was supported by CNRS and Ecole Polytechnique.
                      The AIRS version 5 data were obtained through the Goddard
                      Earth Sciences Data and Information Services
                      (http://daac.gsfc.nasa.gov/) and the CALIOP data were
                      obtained through the Atmospheric Sciences Data Center (ASDC)
                      at NASA Langley Research Center by the ICARE Thematic Center
                      created by CNES (http://www-icare.univ-lille1.fr/) and its
                      interface ClimServ created for Institut Pierre-Simon Laplace
                      (http://climserv.ipsl.polytechnique.fr/). The authors
                      acknowledge for the strong support of the European
                      Commission, Airbus, and the Airlines (Lufthansa, Austrian,
                      Air France) who carry free of charge the MOZAIC equipment
                      and perform the maintenance since 1994. MOZAIC is presently
                      funded by INSU-CNRS (France), Meteo-France, and
                      Forschungszentrum (FZJ, Julich, Germany). The MOZAIC data
                      base is supported by ETHER (CNES and INSU-CNRS). ECMWF data
                      have been retrieved within the framework of a special
                      project on "Ice Supersaturation and Cirrus Clouds
                      (SPDEISSR)". The authors thank all the corresponding teams
                      for assistance and public release of data products. The work
                      contributes to COST Action ES-0604 "Water Vapour in the
                      Climate System (WaVaCS)" and to the aforementioned SPDEISSR.
                      The authors thank the reviewers for their fruitful
                      comments.The publication of this article is financed by
                      CNRS-INSU.},
      abstract     = {Ice supersaturation in the upper troposphere is a complex
                      and important issue for the understanding of cirrus cloud
                      formation. On one hand, infrared sounders have the ability
                      to provide cloud properties and atmospheric profiles of
                      temperature and humidity. On the other hand, they suffer
                      from coarse vertical resolution, especially in the upper
                      troposphere and therefore are unable to detect shallow ice
                      supersaturated layers. We have used data from the
                      Measurements of OZone and water vapour by AIrbus in-service
                      airCraft experiment (MOZAIC) in combination with Atmospheric
                      InfraRed Sounder (AIRS) relative humidity measurements and
                      cloud properties to develop a calibration method for an
                      estimation of occurrence frequencies of ice supersaturation.
                      This method first determines the occurrence probability of
                      ice supersaturation, detected by MOZAIC, as a function of
                      the relative humidity determined by AIRS. The occurrence
                      probability function is then applied to AIRS data,
                      independently of the MOZAIC data, to provide a global
                      climatology of upper-tropospheric ice supersaturation
                      occurrence. Our climatology is then compared to ice
                      supersaturation occurrence statistics from MOZAIC alone and
                      related to high cloud occurrence from the Cloud-Aerosol
                      Lidar with Orthogonal Polarization (CALIOP). As an example
                      of application it is compared to model climatologies of ice
                      supersaturation from the Integrated Forecast System (IFS) of
                      the European Centre for Medium-Range Weather Forecasts
                      (ECMWF) and from the European Centre HAmburg Model (ECHAM4).
                      This study highlights the benefits of multi-instrumental
                      synergies for the investigation of upper tropospheric ice
                      supersaturation.},
      keywords     = {J (WoSType)},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK491},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000300320200021},
      doi          = {10.5194/acp-12-381-2012},
      url          = {https://juser.fz-juelich.de/record/22397},
}