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@ARTICLE{Schallhart:810228,
      author       = {Schallhart, Simon and Rantala, Pekka and Nemitz, Eiko and
                      Taipale, Ditte and Tillmann, Ralf and Mentel, Thomas F. and
                      Loubet, Benjamin and Gerosa, Giacomo and Finco, Angelo and
                      Rinne, Janne and Ruuskanen, Taina M.},
      title        = {{C}haracterization of total ecosystem-scale biogenic {VOC}
                      exchange at a {M}editerranean oak–hornbeam forest},
      journal      = {Atmospheric chemistry and physics},
      volume       = {16},
      number       = {11},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2016-03095},
      pages        = {7171 - 7194},
      year         = {2016},
      abstract     = {Recently, the number and amount of biogenically emitted
                      volatile organic compounds (VOCs) has been discussed in
                      great detail. Depending on the ecosystem, the published
                      number varies between a dozen and several hundred compounds.
                      We present ecosystem exchange fluxes from a mixed
                      oak–hornbeam forest in the Po Valley, Italy. The fluxes
                      were measured by a proton transfer reaction-time-of-flight
                      (PTR-ToF) mass spectrometer and calculated using the eddy
                      covariance (EC) method. Detectable fluxes were observed for
                      up to 29 compounds, dominated by isoprene, which comprised
                      over $60 \%$ of the total upward flux (on a molar basis).
                      The daily average of the total VOC upward flux was
                      10.4 nmol m−2 s−1. Methanol had the highest
                      concentration and accounted for the largest downward flux.
                      Methanol seemed to be deposited to dew, as the downward flux
                      happened in the early morning, right after the calculated
                      surface temperature came closest to the calculated dew point
                      temperature.We estimated that up to $30 \%$ of the upward
                      flux of methyl vinyl ketone (MVK) and methacrolein (MACR)
                      originated from atmospheric oxidation of isoprene. A
                      comparison between two methods for the flux detection
                      (manual and automated) was made. Their respective advantages
                      and disadvantages were discussed and the differences in
                      their results shown. Both provide comparable results.},
      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:000378354600031},
      doi          = {10.5194/acp-16-7171-2016},
      url          = {https://juser.fz-juelich.de/record/810228},
}