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@ARTICLE{Riemer:4707,
author = {Riemer, N. and Vogel, H. and Anttila, T. and
Kiendler-Scharr, A. and Mentel, T. F.},
title = {{R}elative importance of organic coatings for the
heterogeneous hydrolysis of {N}2{O}5 during summer in
{E}urope},
journal = {Journal of Geophysical Research},
volume = {114},
issn = {0148-0227},
address = {Washington, DC},
publisher = {Union},
reportid = {PreJuSER-4707},
pages = {D17307},
year = {2009},
note = {Record converted from VDB: 12.11.2012},
abstract = {The heterogeneous reaction probability gamma N2O5 of N2O5
depends largely on the aerosol chemical composition. Several
recent laboratory studies have shown that the presence of
organic coatings on aqueous aerosols can suppress
heterogeneous N2O5 hydrolysis. In this study we investigated
the relative importance of organic coatings, formed via
gas-to-particle conversion on aqueous aerosols, to N2O5
hydrolysis on local and regional scales during summer in
Europe. We present results of one-dimensional process
studies and of regional-scale model simulations for Europe
with the comprehensive model system COSMO-ART. To treat N2O5
hydrolysis, we used recent results from laboratory studies
that quantified gamma N2O5 on the basis of the organic
coating thickness. The simulations showed that during any
episode the conditions for formation of N2O5 and secondary
organic compounds were very variable and depended strongly
on the meteorological conditions. In regions of the model
domain where both components were built-up, the formation of
organic coatings could decrease particulate nitrate
concentrations by up to $90\%.$ Where these conditions were
not met, the impact of the organic coating was negligible.},
keywords = {J (WoSType)},
cin = {ICG-2},
ddc = {550},
cid = {I:(DE-Juel1)VDB791},
pnm = {Atmosphäre und Klima},
pid = {G:(DE-Juel1)FUEK406},
shelfmark = {Meteorology $\&$ Atmospheric Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000270055900001},
doi = {10.1029/2008JD011369},
url = {https://juser.fz-juelich.de/record/4707},
}