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@ARTICLE{Mller:35954,
      author       = {Müller, R. and Günther, G.},
      title        = {{P}olytropic atmospheres and the scaling of potential
                      vorticity},
      journal      = {Meteorology and Atmospheric Physics},
      volume       = {90},
      issn         = {0177-7971},
      address      = {Wien [u.a.]},
      publisher    = {Springer},
      reportid     = {PreJuSER-35954},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Potential vorticity P is in widespread use as a diagnostic
                      in atmospheric dynamics. Here, we employ the concepts of
                      polytropic change of state and polytropic temperature for
                      investigating the problem of scaling potential vorticity.
                      For many applications, it has proven useful to scale P with
                      a dimensionless scale factor to remove its exponential
                      increase with altitude. This scale factor may be derived
                      from the assumption of a polytropic reference atmosphere
                      which includes the classical scaling using isothermal
                      reference atmospheres as a special case.},
      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    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000232794500002},
      doi          = {10.1007/s00703-004-0087-6},
      url          = {https://juser.fz-juelich.de/record/35954},
}