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@ARTICLE{Khosrawi:44177,
      author       = {Khosrawi, F. and Grooß, J.-U. and Müller, R. and Konopka,
                      Paul and Kouker, W. and Ruhnke, R. and Reddmann, T. and
                      Riese, M.},
      title        = {{I}ntercomparison between {L}agrangian and {E}ulerian
                      simulations of the development of mid-latitude streamers as
                      observed by {CRISTA}},
      journal      = {Atmospheric chemistry and physics},
      volume       = {5},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-44177},
      pages        = {85 - 95},
      year         = {2005},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {During the CRISTA-1 mission three pronounced fingerlike
                      structures reaching from the lower latitudes to the
                      mid-latitudes, so-called streamers, were observed in the
                      measurements of several trace gases in early November 1994.
                      A simulation of these streamers in previous studies
                      employing the KASIMA (Karlsruhe Simulation Model of the
                      Middle Atmosphere) and ROSE ( Research on Ozone in the
                      Stratosphere and its Evolution) model, both being Eulerian
                      models, show that their formation is due to adiabatic
                      transport processes. Here, the impact of mixing on the
                      development of these streamers is investigated. These
                      streamers were simulated with the CLaMS model ( Chemical
                      Lagrangian Model of the Stratosphere), a Lagrangian model,
                      using N2O as long-lived tracer. Using several different
                      initialisations the results were compared to the KASIMA
                      simulations and CRISTA ( Cryogenic Infrared Spectrometer and
                      Telescope for the Atmosphere) observations. Further, since
                      the KASIMA model was employed to derive a 9-year
                      climatology, the quality of the reproduction of streamers
                      from such a study was tested by the comparison of the KASIMA
                      results with CLaMS and CRISTA. The streamers are reproduced
                      well for the Northern Hemisphere in the simulations of CLaMS
                      and KASIMA for the 6 November 1994. However, in the CLaMS
                      simulation a stronger filamentation is found while larger
                      discrepancies between KASIMA and CRISTA were found
                      especially for the Southern Hemisphere. Further, compared to
                      the CRISTA observations the mixing ratios of N2O are in
                      general underestimated in the KASIMA simulations. An
                      improvement of the simulations with KASIMA was obtained for
                      a simulation time according to the length of the CLaMS
                      simulation. To quantify the differences between the
                      simulations with CLaMS and KASIMA, and the CRISTA
                      observations, the probability density function technique
                      (PDF) is used to interpret the tracer distributions. While
                      in the PDF of the KASIMA simulation the small scale
                      structures observed by CRISTA are smoothed out due to the
                      numerical diffusion in the model, the PDFs derived from
                      CRISTA observations can be reproduced by CLaMS by optimising
                      the mixing parameterisation. Further, this procedure gives
                      information on small-scale variabilities not resolved by the
                      CRISTA observations.},
      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:000226449400003},
      url          = {https://juser.fz-juelich.de/record/44177},
}