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@ARTICLE{Schlosser:49896,
      author       = {Schlosser, E. and Bohn, B. and Brauers, T. and Dorn, H. P.
                      and Fuchs, H. and Häseler, R. and Hofzumahaus, A. and
                      Holland, F. and Rohrer, F. and Rupp, L. and Siese, M. and
                      Tillmann, R. and Wahner, A.},
      title        = {{I}ntercomparison of {T}wo {H}ydroxyl {R}adical
                      {M}easurement {T}echniques at the {A}tmosphere {S}imulation
                      {C}hamber {SAPHIR}},
      journal      = {Journal of atmospheric chemistry},
      volume       = {56},
      issn         = {0167-7764},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {PreJuSER-49896},
      pages        = {187 - 205},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {At the atmosphere simulation chamber SAPHIR in Julich both
                      Laser-Induced Fluorescence Spectroscopy (LIF) and Long-Path
                      Differential Optical Laser Absorption Spectroscopy (DOAS)
                      are operational for the detection of OH radicals at
                      tropospheric levels. The two different spectroscopic
                      techniques were compared within the controlled environment
                      of SAPHIR based on all simultaneous measurements acquired in
                      2003 ( 13 days). Hydroxyl radicals were scavenged by added
                      CO during four of these days in order to experimentally
                      check the calculated precisions at the detection limit. LIF
                      measurements have a higher precision (sigma = 0.88 x 10(6)
                      cm(-3)) and better time resolution (Delta t = 60 s), but the
                      DOAS method (sigma = 1.24 x 10(6) cm(-3), Delta t = 135 s)
                      is regarded as primary standard for comparisons because of
                      its good accuracy. A high correlation coefficient of r =
                      0.95 was found for the whole data set highlighting the
                      advantage of using a simulation chamber. The data set
                      consists of two groups. The first one includes 3 days, where
                      the LIF measurements yield ( 1 2) x 10(6) cm(-3) higher OH
                      concentrations than observed by the DOAS instrument. The
                      experimental conditions during these days are characterized
                      by increased NOx concentration and a small dynamic range in
                      OH. Excellent agreement is found within the other group of 6
                      days. The regression to the combined data of this large
                      group yields unity slope without a significant offset.},
      keywords     = {J (WoSType)},
      cin          = {ICG-2 / JARA-ENERGY / JARA-SIM},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB791 / $I:(DE-82)080011_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Atmosphäre und Klima},
      pid          = {G:(DE-Juel1)FUEK406},
      shelfmark    = {Environmental Sciences / Meteorology $\&$ Atmospheric
                      Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000244187300005},
      doi          = {10.1007/s10874-006-9049-3},
      url          = {https://juser.fz-juelich.de/record/49896},
}