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@ARTICLE{Li:20012,
author = {Li, X. and Brauers, T. and Häseler, R. and Bohn, B. and
Fuchs, H. and Hofzumahaus, A. and Holland, F. and Lou, S.
and Lu, K.D. and Rohrer, F. and Hu, M. and Zeng, L.M. and
Zhang, Y.H. and Garland, R.M. and Su, H. and Nowak, A. and
Wiedensohler, A. and Takegawa, N. and Shao, M. and Wahner,
A.},
title = {{E}xploring the atmospheric chemistry of nitrous acid
({HONO}) at a rural site in {S}outhern {C}hina},
journal = {Atmospheric chemistry and physics},
volume = {12},
issn = {1680-7316},
address = {Katlenburg-Lindau},
publisher = {EGU},
reportid = {PreJuSER-20012},
pages = {1497 - 1513},
year = {2012},
note = {This work was supported by the China National Basic
Research and Development Program 2002CB410801, and the
National High Technology Research and Development Program of
China (863 Program) 2006AA06A301.},
abstract = {We performed measurements of nitrous acid (HONO) during the
PRIDE-PRD2006 campaign in the Pearl River Delta region 60 km
north of Guangzhou, China, for 4 weeks in June 2006. HONO
was measured by a LOPAP in-situ instrument which was setup
in one of the campaign supersites along with a variety of
instruments measuring hydroxyl radicals, trace gases,
aerosols, and meteorological parameters. Maximum diurnal
HONO mixing ratios of 1-5 ppb were observed during the
nights. We found that the nighttime build-up of HONO can be
attributed to the heterogeneous NO2 to HONO conversion on
ground surfaces and the OH + NO reaction. In addition to
elevated nighttime mixing ratios, measured noontime values
of approximate to 200 ppt indicate the existence of a
daytime source higher than the OH + NO -> HONO reaction.
Using the simultaneously recorded OH, NO, and HONO
photolysis frequency, a daytime additional source strength
of HONO (P-M) was calculated to be 0.77 ppb h(-1) on
average. This value compares well to previous measurements
in other environments. Our analysis of P-M provides evidence
that the photolysis of HNO3 adsorbed on ground surfaces
contributes to the HONO formation.},
keywords = {J (WoSType)},
cin = {IEK-8},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {Atmosphäre und Klima},
pid = {G:(DE-Juel1)FUEK491},
shelfmark = {Meteorology $\&$ Atmospheric Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000300656500017},
doi = {10.5194/acp-12-1497-2012},
url = {https://juser.fz-juelich.de/record/20012},
}