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@ARTICLE{Chan:825038,
      author       = {Chan, A. W. H. and Kreisberg, N. M. and Hohaus, T. and
                      Campuzano-Jost, P. and Zhao, Y. and Day, D. A. and Kaser, L.
                      and Karl, T. and Hansel, A. and Teng, A. P. and Ruehl, C. R.
                      and Sueper, D. T. and Jayne, J. T. and Worsnop, D. R. and
                      Jimenez, J. L. and Hering, S. V. and Goldstein, A. H.},
      title        = {{S}peciated measurements of semivolatile and intermediate
                      volatility organic compounds ({S}/{IVOC}s) in a pine forest
                      during {BEACHON}-{R}o{MBAS} 2011},
      journal      = {Atmospheric chemistry and physics},
      volume       = {16},
      number       = {2},
      issn         = {1680-7324},
      address      = {Katlenburg-Lindau},
      publisher    = {EGU},
      reportid     = {FZJ-2016-07518},
      pages        = {1187 - 1205},
      year         = {2016},
      abstract     = {Understanding organic composition of gases and particles is
                      essential to identifying sources and atmospheric processing
                      leading to organic aerosols (OA), but atmospheric chemical
                      complexity and the analytical techniques available often
                      limit such analysis. Here we present speciated measurements
                      of semivolatile and intermediate volatility organic
                      compounds (S/IVOCs) using a novel dual-use instrument
                      (SV-TAG-AMS) deployed at Manitou Forest, CO, during the
                      Bio-hydro-atmosphere interactions of Energy, Aerosols,
                      Carbon, H2O, Organics $\&$ Nitrogen – Rocky Mountain
                      Biogenic Aerosol Study (BEACHON-RoMBAS) 2011 campaign. This
                      instrument provides on-line speciation of ambient organic
                      compounds with 2 h time resolution. The species in this
                      volatility range are complex in composition, but their
                      chemical identities reveal potential sources. Observed
                      compounds of biogenic origin include sesquiterpenes with
                      molecular formula C15H24 (e.g., β-caryophyllene and
                      longifolene), which were most abundant at night. A variety
                      of other biogenic compounds were observed, including
                      sesquiterpenoids with molecular formula C15H22, abietatriene
                      and other terpenoid compounds. Many of these compounds have
                      been identified in essential oils and branch enclosure
                      studies but were observed in ambient air for the first time
                      in our study. Semivolatile polycyclic aromatic hydrocarbons
                      (PAHs) and alkanes were observed with highest concentrations
                      during the day and the dependence on temperature suggests
                      the role of an evaporative source. Using statistical
                      analysis by positive matrix factorization (PMF), we classify
                      observed S/IVOCs by their likely sources and processes, and
                      characterize them based on chemical composition. The total
                      mass concentration of elutable S/IVOCs was estimated to be
                      on the order of 0.7 µg m−3 and their volatility
                      distributions are estimated for modeling aerosol formation
                      chemistry.},
      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:000371284000042},
      doi          = {10.5194/acp-16-1187-2016},
      url          = {https://juser.fz-juelich.de/record/825038},
}