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@ARTICLE{Nedoluha:33263,
      author       = {Nedoluha, G. E. and Bevilacqua, R. and Hoppel, K. W. and
                      Lumpe, J. D. and Smit, H. G. J.},
      title        = {{P}olar {O}zone and {A}erosol {M}easurement {III}
                      measurements of water vapor in the upper troposphere and
                      lowermost stratosphere},
      journal      = {Journal of Geophysical Research},
      volume       = {107},
      issn         = {0148-0227},
      address      = {Washington, DC},
      publisher    = {Union},
      reportid     = {PreJuSER-33263},
      pages        = {10},
      year         = {2002},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {[1] We present water vapor measurements made by the Polar
                      Ozone and Aerosol Measurement (POAM) III instrument since
                      May 1998 in the upper troposphere and lowermost
                      stratosphere. While POAM III is primarily a stratospheric
                      instrument, many of the POAM III occultation measurements
                      allow for the retrieval of water vapor in the upper
                      troposphere. The Measurements of Ozone and Water Vapor by
                      Airbus In-Service Aircraft (MOZAIC) instruments provide a
                      large number of coincident measurements and thus offer the
                      best opportunity to validate POAM measurements in the highly
                      spatially variable regions of the upper
                      troposphere-lowermost stratosphere, where the mixing ratios
                      are much larger than those found throughout most of the
                      stratosphere. The comparison shows that there is no
                      statistically significant difference in the response of the
                      two instruments to changes in water vapor and that in the
                      regime where the MOZAIC measurements are thought to be most
                      accurate, the water vapor mixing ratios measured by POAM are
                      $10\%$ higher. The POAM III Northern Hemisphere measurements
                      are taken from 55 to 71 and show a qualitatively reasonable
                      seasonal variation, with high mixing ratios in the upper
                      troposphere in the summer and low mixing ratios in the
                      winter. Comparisons of the seasonal variations of the POAM
                      measurements with those from the upper tropospheric
                      Microwave Limb Sounder (MLS) measurements from the early
                      1990s show qualitative similarities. The similar to1 km
                      vertical resolution of POAM measurements allows us to study
                      in greater detail than other satellite instruments the
                      complex variations in water vapor that occur in the upper
                      troposphere and lowermost stratosphere. Among the
                      interesting features observed is a rise in the level of the
                      high-latitude hygropause from April through September.},
      keywords     = {J (WoSType)},
      cin          = {ICG-II},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB48},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000178896500003},
      doi          = {10.1029/2001JD000793},
      url          = {https://juser.fz-juelich.de/record/33263},
}