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@ARTICLE{Khosrawi:38202,
      author       = {Khosrawi, F. and Müller, R. and Proffitt, M. H. and
                      Nakajima, H.},
      title        = {{M}onthly averaged ozone and nitrous oxide from the
                      {I}mproved {L}imb {A}tmospheric {S}pectrometer ({ILAS}) in
                      the {N}orthern and {S}outhern {H}emisphere polar regions},
      journal      = {Journal of geophysical research / Atmospheres},
      volume       = {109},
      issn         = {0022-1406},
      address      = {Washington, DC},
      publisher    = {Union},
      reportid     = {PreJuSER-38202},
      pages        = {D10301},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Northern and southern hemispheric averaged ozone (O-3) and
                      nitrous oxide (N2O) measured by the Improved Limb
                      Atmospheric Spectrometer (ILAS) were used to examine
                      photochemical and dynamical changes in high-latitude O-3
                      distributions. Using correlations of O-3 versus N2O, the
                      ILAS data are organized monthly in both hemispheres by
                      partitioning these data into equal bins of altitude or
                      potential temperature. The resulting families of curves help
                      to differentiate O-3 changes due to photochemistry from
                      those due to transport. Our study extends the work of
                      Proffitt et al. [2003] for the Northern Hemisphere to the
                      Southern Hemisphere. Further, our study confirms and extends
                      their results for the Northern Hemisphere by applying their
                      analysis to a significantly greater altitude range. As in
                      the Northern Hemisphere, the families of curves for the
                      altitude, and potential temperature bins in the Southern
                      Hemisphere are separated and generally do not cross. In both
                      hemispheres a better separation is found for the potential
                      temperature binning. In the Southern Hemisphere November and
                      December data, preserved photochemical O-3 loss is evident
                      in the lower stratosphere. Further, summer ozone loss is
                      evident in the Southern Hemisphere from January to March. In
                      the Arctic, ongoing photochemical O-3 loss is evident in the
                      Northern Hemisphere spring data. While at higher altitudes
                      the correlation between N2O and O-3 is generally positive (
                      increasing N2O with increasing O-3), at lower levels the
                      correlation is negative. This change of correlation from
                      positive to negative can be interpreted in terms of
                      photochemical and dynamical processes. Strong descent causes
                      a steepening of the positively correlated curves, while the
                      curves change their slope from positive to negative if
                      photochemical destruction of O-3 is present and descent is
                      weak. The level of slope change is also photochemically
                      influenced and therefore changes with season. Data sets such
                      as the one derived here may be useful for testing
                      atmospheric models and for identifying future changes in
                      stratospheric ozone.},
      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:000221611200002},
      doi          = {10.1029/2003JD004365},
      url          = {https://juser.fz-juelich.de/record/38202},
}