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@ARTICLE{Luo:32485,
      author       = {Luo, B. P. and Peter, Th. and Flüglistaler, S. and Wernli,
                      H. and Wirth, M. and Kiemle, C. and Flentje, H. and Yushkov,
                      V. A. and Khattatov, V. and Rudakov, V. and Thomas, A. and
                      Borrmann, S. and Toci, G. and Mazzinghi, P. and Beuermann,
                      J. and Schiller, C. and Cairo, F. and Mitev, V. and
                      MacKenzie, R. A. and Carslaw, K. S. and Trautmann, T. and
                      Santacesaria, V. and Stefanutti, L.},
      title        = {{D}ehydration potential of ultrathin clouds at the tropical
                      tropopause},
      journal      = {Geophysical research letters},
      volume       = {30},
      issn         = {0094-8276},
      address      = {Washington, DC},
      publisher    = {American Geophysical Union},
      reportid     = {PreJuSER-32485},
      pages        = {1557},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {[1] We report on the first simultaneous in situ and remote
                      measurements of subvisible cirrus in the uppermost tropical
                      troposphere. The observed cirrus, called UTTCs ( ultrathin
                      tropical tropopause clouds), are the geometrically (200-300
                      m) and optically (t approximate to 10(-4)) thinnest
                      large-scale clouds ever sampled (approximate to10(5) km(2)).
                      UTTCs consist of only a few ice particles per liter with
                      mean radius approximate to5 mum, containing only 1-5 $\%$ of
                      the total water. Yet, brief adiabatic cooling events only
                      1-2 K below mean ambient temperature destabilize UTTCs,
                      leading to large sedimenting particles (r approximate to 25
                      mm). Due to their extreme altitude above 17 km and low
                      particle number density, UTTCs may efficiently dehydrate air
                      during its last encounter with the ice phase before entering
                      the stratosphere.},
      keywords     = {J (WoSType)},
      cin          = {ICG-I},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB47},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Geosciences, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000183553900001},
      doi          = {10.1029/2002GL016737},
      url          = {https://juser.fz-juelich.de/record/32485},
}