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@ARTICLE{Konopka:7675,
      author       = {Konopka, P. and Grooß, J.-U. and Günther, G. and Plöger,
                      F. and Pommrich, R. and Müller, R. and Livesey, N.},
      title        = {{A}nnual cycle of ozone at and above the tropical
                      tropopause: observations versus simulations with the
                      {C}hemical {M}odel of the {S}tratosphere ({CL}a{MS})},
      journal      = {Atmospheric chemistry and physics},
      volume       = {10},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-7675},
      pages        = {121 - 132},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Multi-annual simulations with the Chemical Lagrangian Model
                      of the Stratosphere (CLaMS) were conducted to study the
                      seasonality of O-3 within the stratospheric part of the
                      tropical tropopause layer (TTL), i.e. above theta = 360K
                      potential temperature level. In agreement with satellite
                      (HALOE) and in-situ observations (SHADOZ), CLaMS simulations
                      show a pronounced annual cycle in O-3, at and above theta =
                      380 K, with the highest mixing ratios in the late boreal
                      summer. Within the model, this cycle is driven by the
                      seasonality of both upwelling and in-mixing. The latter
                      process occurs through enhanced horizontal transport from
                      the extratropics into the TTL that is mainly driven by the
                      meridional, isentropic winds. The strongest in-mixing occurs
                      during the late boreal summer from the Northern Hemisphere
                      in the potential temperature range between 370 and 420 K.
                      Complementary, the strongest upwelling occurs in winter
                      reducing O-3 to the lowest values in early spring. Both
                      CLaMS simulations and Aura MLS O-3 observations consistently
                      show that enhanced in-mixing in summer is mainly driven by
                      the Asian monsoon anticyclone.},
      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:000274224600011},
      doi          = {10.5194/acp-10-121-2010},
      url          = {https://juser.fz-juelich.de/record/7675},
}