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@ARTICLE{Fuchs:826196,
      author       = {Fuchs, Hendrik and Tan, Zhaofeng and Lu, Keding and Bohn,
                      Birger and Broch, Sebastian and Brown, Steven S. and Dong,
                      Huabin and Gomm, Sebastian and Häseler, Rolf and He,
                      Lingyan and Hofzumahaus, Andreas and Holland, Frank and Li,
                      Xin and Liu, Ying and Lu, Sihua and Min, Kyung-Eun and
                      Rohrer, Franz and Shao, Min and Wang, Baolin and Wang,
                      Mingjin and Wu, Yusheng and Zeng, Limin and Zhang, Yinsong
                      and Wahner, Andreas and Zhang, Yuanhang},
      title        = {{OH} reactivity at a rural site ({W}angdu) in the {N}orth
                      {C}hina {P}lain: contributions from {OH} reactants and
                      experimental {OH} budget},
      journal      = {Atmospheric chemistry and physics},
      volume       = {17},
      number       = {1},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2017-00442},
      pages        = {645 - 661},
      year         = {2017},
      abstract     = {In 2014, a large, comprehensive field campaign was
                      conducted in the densely populated North China Plain. The
                      measurement site was located in a botanic garden close to
                      the small town Wangdu, without major industry but influenced
                      by regional transportation of air pollution. The loss rate
                      coefficient of atmospheric hydroxyl radicals (OH) was
                      quantified by direct measurements of the OH reactivity.
                      Values ranged between 10 and 20 s−1 for most of the
                      daytime. Highest values were reached in the late night with
                      maximum values of around 40 s−1. OH reactants mainly
                      originated from anthropogenic activities as indicated (1) by
                      a good correlation between measured OH reactivity and carbon
                      monoxide (linear correlation coefficient R2 = 0.33) and
                      (2) by a high contribution of nitrogen oxide species to the
                      OH reactivity (up to $30 \%$ in the morning). Total OH
                      reactivity was measured by a laser flash
                      photolysis–laser-induced fluorescence instrument (LP-LIF).
                      Measured values can be explained well by measured trace gas
                      concentrations including organic compounds, oxygenated
                      organic compounds, CO and nitrogen oxides. Significant,
                      unexplained OH reactivity was only observed during nights,
                      when biomass burning of agricultural waste occurred on
                      surrounding fields. OH reactivity measurements also allow
                      investigating the chemical OH budget. During this campaign,
                      the OH destruction rate calculated from measured OH
                      reactivity and measured OH concentration was balanced by the
                      sum of OH production from ozone and nitrous acid photolysis
                      and OH regeneration from hydroperoxy radicals within the
                      uncertainty of measurements. However, a tendency for higher
                      OH destruction compared to OH production at lower
                      concentrations of nitric oxide is also observed, consistent
                      with previous findings in field campaigns in China.},
      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:000393892700002},
      doi          = {10.5194/acp-17-645-2017},
      url          = {https://juser.fz-juelich.de/record/826196},
}