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@ARTICLE{Berkes:849789,
      author       = {Berkes, Florian and Houben, Norbert and Bundke, Ulrich and
                      Franke, Harald and Pätz, Hans-Werner and Rohrer, Franz and
                      Wahner, Andreas and Petzold, Andreas},
      title        = {{T}he {IAGOS} {NO}x instrument – design, operation and
                      first results from deployment aboard passenger aircraft},
      journal      = {Atmospheric measurement techniques},
      volume       = {11},
      number       = {6},
      issn         = {1867-8548},
      address      = {Katlenburg-Lindau},
      publisher    = {Copernicus},
      reportid     = {FZJ-2018-03901},
      pages        = {3737 - 3757},
      year         = {2018},
      abstract     = {We describe the nitrogen oxide instrument designed for the
                      autonomous operation on board passenger aircraft in the
                      framework of the European Research Infrastructure IAGOS
                      (In-service Aircraft for a Global Observing System). We
                      demonstrate the performance of the instrument using data
                      from two deployment periods aboard an A340-300 aircraft of
                      Deutsche Lufthansa. The well-established chemiluminescence
                      detection method is used to measure nitrogen monoxide (NO)
                      and nitrogen oxides (NOx). NOx is measured using a
                      photolytic converter, and nitrogen dioxide (NO2) is
                      determined from the difference between NOx and NO. This
                      technique allows measuring at high time resolution (4s) and
                      high precision in the low ppt range (NO: 2σ = 24pptv;
                      NOx: 2σ =35pptv) over different ambient temperature and
                      ambient pressure altitude ranges (from surface pressure down
                      to 190hPa). The IAGOS NOx instrument is characterized for
                      (1) calibration stability and total uncertainty, (2)
                      humidity and chemical interferences (e.g., ozone; nitrous
                      acid, HONO; peroxyacetyl nitrate, PAN) and (3)
                      inter-instrumental precision. We demonstrate that the IAGOS
                      NOx instrument is a robust, fully automated, and long-term
                      stable instrument suitable for unattended operation on
                      airborne platforms, which provides useful measurements for
                      future air quality studies and emission estimates.},
      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:000436461800001},
      doi          = {10.5194/amt-11-3737-2018},
      url          = {https://juser.fz-juelich.de/record/849789},
}