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@ARTICLE{Roiger:17036,
      author       = {Roiger, A. and Schlager, H. and Schäfler, a. and
                      Huntrieser, H. and Scheibe, D. and Aufmhoff, H. and Cooper,
                      O. and Sodemann, H. and Stohl, A. and Burkhard, J. and
                      Arnold, F. and Schiller, C.},
      title        = {{I}n-situ observation of {A}sian pollution transported into
                      the {A}rctic lowermost stratosphere},
      journal      = {Atmospheric chemistry and physics},
      volume       = {11},
      issn         = {1680-7316},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {PreJuSER-17036},
      pages        = {16265 - 16310},
      year         = {2011},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {On a research flight on 10 July 2008, the German research
                      aircraft Falcon sampled an air mass with unusually high
                      carbon monoxide (CO), peroxyacetyl nitrate (PAN) and water
                      vapour (H2O) mixing ratios in the Arctic lowermost
                      stratosphere. The air mass was encountered twice at an
                      altitude of 11.3 km, ~800 m above the dynamical tropopause.
                      In-situ measurements of ozone, NO, and NOy indicate that
                      this layer was a mixed air mass containing both air from the
                      troposphere and stratosphere. Backward trajectory and
                      Lagrangian particle dispersion model analysis suggest that
                      the Falcon sampled the top of a polluted air mass
                      originating from the coastal regions of East Asia. The
                      anthropogenic pollution plume experienced strong up-lift in
                      a warm conveyor belt (WCB) located over the Russian
                      east-coast. Subsequently the Asian air mass was transported
                      across the North Pole into the sampling area, elevating the
                      local tropopause by up to ~3 km. Mixing with surrounding
                      Arctic stratospheric air most likely took place during the
                      horizontal transport when the tropospheric streamer was
                      stretched into long and narrow filaments. The mechanism
                      illustrated in this study possibly presents an important
                      pathway to transport pollution into the polar tropopause
                      region.},
      cin          = {IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-7-20101013},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK491},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.5194/acpd-11-16265-2011},
      url          = {https://juser.fz-juelich.de/record/17036},
}