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@ARTICLE{Groo:60670,
      author       = {Grooß, J.-U. and Müller, R. and Konopka, P. and
                      Steinhorst, H.-M. and Engel, A. and Möbius, T. and Volk, C.
                      M.},
      title        = {{T}he impact of transport across the polar vortex edge on
                      match ozone loss estimates},
      journal      = {Atmospheric chemistry and physics},
      volume       = {8},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-60670},
      pages        = {565 - 578},
      year         = {2008},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The Match method for the quantification of polar chemical
                      ozone loss is investigated mainly with respect to the impact
                      of the transport of air masses across the vortex edge. For
                      the winter 2002/03, we show that significant transport
                      across the vortex edge occurred and was simulated by the
                      Chemical Lagrangian Model of the Stratosphere. In-situ
                      observations of inert tracers and ozone from HAGAR on the
                      Geophysica aircraft and balloon-borne sondes, and remote
                      observations from MIPAS on the ENVISAT satellite were
                      reproduced well by CLaMS. The model even reproduced a small
                      vortex remnant that remained a distinct feature until June
                      2003 and was also observed in-situ by a balloon-borne whole
                      air sampler. We use this CLaMS simulation to quantify the
                      impact of transport across the vortex edge on ozone loss
                      estimates from the Match method. We show that a time
                      integration of the determined vortex average ozone loss
                      rates, as performed in Match, results in a larger ozone loss
                      than the polar vortex average ozone loss in CLaMS. The
                      determination of the Match ozone loss rates is also
                      influenced by the transport of air across the vortex edge.
                      We use the model to investigate how the sampling of the
                      ozone sondes on which Match is based represents the vortex
                      average ozone loss rate. Both the time integration of ozone
                      loss and the determination of ozone loss rates for Match are
                      evaluated using the winter 2002/2003 CLaMS simulation. These
                      impacts can explain the majority of the differences between
                      CLaMS and Match column ozone loss. While the investigated
                      effects somewhat reduce the apparent discrepancy in January
                      ozone loss rates reported earlier, a distinct discrepancy
                      between simulations and Match remains. However, its
                      contribution to the accumulated ozone loss over the winter
                      is not large.},
      keywords     = {J (WoSType)},
      cin          = {ICG-1},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB790},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Meteorology $\&$ Atmospheric Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000253908300010},
      doi          = {10.5194/acp-8-565-2008},
      url          = {https://juser.fz-juelich.de/record/60670},
}