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@ARTICLE{Stratmann:824990,
      author       = {Stratmann, G. and Ziereis, H. and Stock, P. and
                      Brenninkmeijer, C. A. M. and Zahn, A. and Rauthe-Schöch, A.
                      and Velthoven, P. V. and Schlager, H. and Volz-Thomas, A.},
      title        = {{NO} and {NO}y in the upper troposphere: {N}ine years of
                      {CARIBIC} measurements onboard a passenger aircraft},
      journal      = {Atmospheric environment},
      volume       = {133},
      issn         = {1352-2310},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-07486},
      pages        = {93 - 111},
      year         = {2016},
      abstract     = {Nitrogen oxide (NO and NOy) measurements were performed
                      onboard an in-service aircraft within the framework of
                      CARIBIC (Civil Aircraft for the Regular Investigation of the
                      atmosphere Based on an Instrument Container). A total of 330
                      flights were completed from May 2005 through April 2013
                      between Frankfurt/Germany and destination airports in
                      Canada, the USA, Brazil, Venezuela, Chile, Argentina,
                      Colombia, South Africa, China, South Korea, Japan, India,
                      Thailand, and the Philippines. Different regions show
                      differing NO and NOy mixing ratios. In the mid-latitudes,
                      observed NOy and NO generally shows clear seasonal cycles in
                      the upper troposphere with a maximum in summer and a minimum
                      in winter. Mean NOy mixing ratios vary between 1.36 nmol/mol
                      in summer and 0.27 nmol/mol in winter. Mean NO mixing ratios
                      range between 0.05 nmol/mol and 0.22 nmol/mol. Regions south
                      of 40°N show no consistent seasonal dependence. Based on CO
                      observations, low, median and high CO air masses were
                      defined. According to this classification, more data was
                      obtained in high CO air masses in the regions south of 40°N
                      compared to the midlatitudes. This indicates that boundary
                      layer emissions are more important in these regions. In
                      general, NOy mixing ratios are highest when measured in high
                      CO air masses. This dataset is one of the most comprehensive
                      NO and NOy dataset available today for the upper troposphere
                      and is therefore highly suitable for the validation of
                      atmosphere-chemistry-models.},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {243 - Tropospheric trace substances and their
                      transformation processes (POF3-243)},
      pid          = {G:(DE-HGF)POF3-243},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000374614100010},
      doi          = {10.1016/j.atmosenv.2016.02.035},
      url          = {https://juser.fz-juelich.de/record/824990},
}