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@ARTICLE{Nussbaumer:902387,
      author       = {Nussbaumer, Clara M. and Parchatka, Uwe and Tadic, Ivan and
                      Bohn, Birger and Marno, Daniel and Martinez, Monica and
                      Rohloff, Roland and Harder, Hartwig and Kluge, Flora and
                      Pfeilsticker, Klaus and Obersteiner, Florian and Zöger,
                      Martin and Doerich, Raphael and Crowley, John N. and
                      Lelieveld, Jos and Fischer, Horst},
      title        = {{N}ew photolytic converter for improving aircraft
                      measurements of ${NO}\<sub\>2\</sub\>$ via
                      chemiluminescence},
      journal      = {Atmospheric measurement techniques discussions},
      issn         = {1867-8610},
      address      = {Katlenburg-Lindau},
      publisher    = {Copernicus},
      reportid     = {FZJ-2021-04221},
      year         = {2021},
      abstract     = {Abstract. Nitrogen oxides (NOx ≡ NO + NO2) are centrally
                      involved in the photochemical processes taking place in the
                      earth’s atmosphere. Measurements of NO2, particularly in
                      remote areas where concentrations are of the order of pptv,
                      are still a challenge and subject to extensive research. In
                      this study, we present NO2 measurements via
                      photolysis-chemiluminescence during the research aircraft
                      campaign CAFE Africa (Chemistry of the Atmosphere – Field
                      Experiment in Africa) 2018 around Cabo Verde as well as the
                      results of laboratory experiments to characterize the
                      photolytic converter used. We identify a memory effect
                      within the conventional photolytic converter associated with
                      high NO concentrations and rapidly changing water vapor
                      concentrations, accompanying changes in altitude during
                      aircraft measurements, which is due to the porous structure
                      of the converter material. We test and characterize an
                      alternative photolytic converter made from quartz glass
                      which improves the reliability of NO2 measurements in
                      laboratory and field studies.},
      cin          = {IEK-8},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {2111 - Air Quality (POF4-211)},
      pid          = {G:(DE-HGF)POF4-2111},
      typ          = {PUB:(DE-HGF)25},
      doi          = {10.5194/amt-2021-180},
      url          = {https://juser.fz-juelich.de/record/902387},
}