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@ARTICLE{Reeves:34366,
author = {Reeves, C. E. and Penkett, S. A. and Bauguitte, S. and Law,
K. S. and Evans, M. J. and Bandy, B. J. and Monks, P. S. and
Edwards, G. D. and Philips, G. and Barjat, H. and Kent, J.
and Dewey, K. and Schmitgen, S. and Kley, D.},
title = {{P}otential for photochemical ozone formation in the
troposhere over the {N}orth {A}tlantic as derived from
aircraft observations during {ACSOE}},
journal = {Journal of Geophysical Research},
volume = {107},
issn = {0148-0227},
address = {Washington, DC},
publisher = {Union},
reportid = {PreJuSER-34366},
pages = {4707},
year = {2002},
note = {Record converted from VDB: 12.11.2012},
abstract = {[1] In this paper, ozone (O-3), water vapor (H2O), carbon
monoxide (CO), and peroxide concentrations and photolysis
rates measured in the troposphere over the North Atlantic
during two Atmospheric Chemistry Studies in the Oceanic
Environment (ACSOE) aircraft field campaigns are used to
calculate the concentration of nitric oxide (NO) required
for net photochemical O-3 production (nP(O3)) to be positive
(NOcomp). NOcomp tended to show a decrease with altitude,
although it was sometimes found to be low in the marine
boundary layer (MBL) where H2O concentrations were high and
O-3 concentrations were low. nP(O3) was calculated for the
spring when NO data were available and was found to be
mostly negative and generally increased from about -0.5 to
-0.2 ppbv hr(-1) in the MBL to +0.04 ppbv hr(-1) at about
7-8 km altitude. The results suggest that much of the lower
and middle troposphere over the eastern North Atlantic
during spring is in a state of slow net photochemical O-3
destruction. However, in the upper troposphere, the system
changes to one of net photochemical production, which
results from the drier environment and higher NO
concentrations. Furthermore, examples of net O-3 production
were also observed in the lower and middle troposphere
associated with either in situ sources of NO or long-range
transport of pollution. The paper also illustrates the
sensitivity of this O-3 production/loss state to H2O and NO
concentrations, photolysis rates, and temperatures.},
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:000181113600008},
doi = {10.1029/2002JD002415},
url = {https://juser.fz-juelich.de/record/34366},
}