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@ARTICLE{Meusel:824994,
      author       = {Meusel, Hannah and Kuhn, Uwe and Reiffs, Andreas and
                      Mallik, Chinmay and Harder, Hartwig and Martinez, Monica and
                      Schuladen, Jan and Bohn, Birger and Parchatka, Uwe and
                      Crowley, John N. and Fischer, Horst and Tomsche, Laura and
                      Novelli, Anna and Hoffmann, Thorsten and Janssen, Ruud H. H.
                      and Hartogensis, Oscar and Pikridas, Michael and Vrekoussis,
                      Mihalis and Bourtsoukidis, Efstratios and Weber, Bettina and
                      Lelieveld, Jos and Williams, Jonathan and Pöschl, Ulrich
                      and Cheng, Yafang and Su, Hang},
      title        = {{D}aytime formation of nitrous acid at a coastal remote
                      site in {C}yprus indicating a common ground source of
                      atmospheric {HONO} and {NO}},
      journal      = {Atmospheric chemistry and physics},
      volume       = {16},
      number       = {22},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2016-07490},
      pages        = {14475 - 14493},
      year         = {2016},
      abstract     = {Characterization of daytime sources of nitrous acid (HONO)
                      is crucial to understand atmospheric oxidation and radical
                      cycling in the planetary boundary layer. HONO and numerous
                      other atmospheric trace constituents were measured on the
                      Mediterranean island of Cyprus during the CYPHEX (CYprus
                      PHotochemical EXperiment) campaign in summer 2014. Average
                      volume mixing ratios of HONO were 35 pptv (±25 pptv)
                      with a HONO ∕ NOx ratio of 0.33, which was
                      considerably higher than reported for most other rural and
                      urban regions. Diel profiles of HONO showed peak values in
                      the late morning (60 ± 28 pptv around 09:00 local
                      time) and persistently high mixing ratios during daytime
                      (45 ± 18 pptv), indicating that the photolytic loss
                      of HONO is compensated by a strong daytime source. Budget
                      analyses revealed unidentified sources producing up to
                      3.4  ×  106 molecules cm−3 s−1 of HONO
                      and up to 2.0  ×  107 molecules cm−3 s−1
                      NO. Under humid conditions (relative
                      $humidity  >  70 \%),$ the source strengths of
                      HONO and NO exhibited a close linear correlation
                      (R2 = 0.72), suggesting a common source that may be
                      attributable to emissions from microbial communities on soil
                      surfaces.},
      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:000388187800003},
      doi          = {10.5194/acp-16-14475-2016},
      url          = {https://juser.fz-juelich.de/record/824994},
}