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@ARTICLE{Alicke:28524,
author = {Alicke, B. and Geyer, A. and Hofzumahaus, A. and Holland,
F. and Konrad, S. and Pätz, H.-W. and Schäfer, J. and
Stutz, J. and Volz-Thomas, A. and Platt, U.},
title = {{OH} formation by {HONO} photolysis during the {BERLIOZ}
experiment},
journal = {Journal of Geophysical Research},
volume = {108},
issn = {0148-0227},
address = {Washington, DC},
publisher = {Union},
reportid = {PreJuSER-28524},
pages = {D4},
year = {2003},
note = {Record converted from VDB: 12.11.2012},
abstract = {[1] The photolysis of nitrous acid (HONO) in the early
morning hours is an important source of OH radicals, the
most important daytime oxidizing species. Although the
importance of this mechanism has been recognized for many
years, no accurate quantification of this OH source is
available, and the role of HONO photolysis is often
underestimated. We present measurements of HONO and its
precursor NO2 by Differential Optical Absorption
Spectroscopy (DOAS) during the Berliner Ozonexperiment
(BERLIOZ) field campaign in July/August 1998 at Pabstthum
near Berlin, Germany. HONO concentrations, formation rates,
and simultaneously measured HONO photolysis frequencies are
used to calculate the total amount of OH formed by HONO
photolysis during a full diurnal cycle. A comparison with
the OH formation by photolysis of O-3 and HCHO and by the
reaction of alkenes with ozone shows that HONO photolysis
contributed up to $20\%$ of the total OH formed in a 24 hour
period during this campaign. In the morning hours, HONO
photolysis was by far the most important OH source during
BERLIOZ.},
keywords = {J (WoSType)},
cin = {ICG-II},
ddc = {550},
cid = {I:(DE-Juel1)VDB48},
pnm = {Chemie und Dynamik der Geo-Biosphäre},
pid = {G:(DE-Juel1)FUEK257},
shelfmark = {Meteorology $\&$ Atmospheric Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000181797900001},
doi = {10.1029/2001JD000579},
url = {https://juser.fz-juelich.de/record/28524},
}