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@ARTICLE{DalMaso:811717,
author = {Dal Maso, M. and Liao, L. and Wildt, J. and
Kiendler-Scharr, A. and Kleist, E. and Tillmann, R. and
Sipilä, M. and Hakala, J. and Lehtipalo, K. and Ehn, M. and
Kerminen, V.-M. and Kulmala, M. and Worsnop, D. and Mentel,
T.},
title = {{A} chamber study of the influence of boreal {BVOC}
emissions and sulfuric acid on nanoparticle formation rates
at ambient concentrations},
journal = {Atmospheric chemistry and physics},
volume = {16},
number = {4},
issn = {1680-7324},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {FZJ-2016-04101},
pages = {1955 - 1970},
year = {2016},
abstract = {Aerosol formation from biogenic and anthropogenic precursor
trace gases in continental background areas affects climate
via altering the amount of available cloud condensation
nuclei. Significant uncertainty still exists regarding the
agents controlling the formation of aerosol nanoparticles.
We have performed experiments in the Jülich
plant–atmosphere simulation chamber with instrumentation
for the detection of sulfuric acid and nanoparticles, and
present the first simultaneous chamber observations of
nanoparticles, sulfuric acid, and realistic levels and
mixtures of biogenic volatile compounds (BVOCs). We present
direct laboratory observations of nanoparticle formation
from sulfuric acid and realistic BVOC precursor vapour
mixtures performed at atmospherically relevant concentration
levels. We directly measured particle formation rates
separately from particle growth rates. From this, we
established that in our experiments, the formation rate was
proportional to the product of sulfuric acid and biogenic
VOC emission strength. The formation rates were consistent
with a mechanism in which nucleating BVOC oxidation products
are rapidly formed and activate with sulfuric acid. The
growth rate of nanoparticles immediately after birth was
best correlated with estimated products resulting from BVOC
ozonolysis.},
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:000372971500007},
doi = {10.5194/acp-16-1955-2016},
url = {https://juser.fz-juelich.de/record/811717},
}