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@ARTICLE{Roldin:276104,
author = {Roldin, P. and Liao, L. and Mogensen, D. and Dal Maso,
Miikka and Rusanen, A. and Kerminen, V.-M. and Mentel, T. F.
and Wildt, J. and Kleist, E. and Kiendler-Scharr, A. and
Tillmann, R. and Ehn, M. and Kulmala, M. and Boy, M.},
title = {{M}odelling the contribution of biogenic volatile organic
compounds to new particle formation in the {J}ülich plant
atmosphere chamber},
journal = {Atmospheric chemistry and physics},
volume = {15},
number = {18},
issn = {1680-7324},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2015-06582},
pages = {10777 - 10798},
year = {2015},
abstract = {We used the Aerosol Dynamics gas- and particle-phase
chemistry model for laboratory CHAMber studies (ADCHAM) to
simulate the contribution of BVOC plant emissions to the
observed new particle formation during photooxidation
experiments performed in the Jülich Plant-Atmosphere
Chamber and to evaluate how well smog chamber experiments
can mimic the atmospheric conditions during new particle
formation events. ADCHAM couples the detailed gas-phase
chemistry from Master Chemical Mechanism with a novel
aerosol dynamics and particle phase chemistry module. Our
model simulations reveal that the observed particle growth
may have either been controlled by the formation rate of
semi- and low-volatility organic compounds in the gas phase
or by acid catalysed heterogeneous reactions between
semi-volatility organic compounds in the particle surface
layer (e.g. peroxyhemiacetal dimer formation). The
contribution of extremely low-volatility organic gas-phase
compounds to the particle formation and growth was
suppressed because of their rapid and irreversible wall
losses, which decreased their contribution to the nano-CN
formation and growth compared to the atmospheric situation.
The best agreement between the modelled and measured total
particle number concentration (R2 > 0.95) was achieved if
the nano-CN was formed by kinetic nucleation involving both
sulphuric acid and organic compounds formed from OH
oxidation of BVOCs.},
cin = {IEK-8 / IBG-2},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013 / I:(DE-Juel1)IBG-2-20101118},
pnm = {243 - Tropospheric trace substances and their
transformation processes (POF3-243)},
pid = {G:(DE-HGF)POF3-243},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000362457400028},
doi = {10.5194/acp-15-10777-2015},
url = {https://juser.fz-juelich.de/record/276104},
}