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@ARTICLE{Auvray:57798,
author = {Auvray, M. and Bey, I. and Llull, E. and Schultz, M. G. and
Rast, S.},
title = {{A} model investigation of the impact of long-range
transport on tropospheric ozone chemical tendencies},
journal = {Journal of Geophysical Research},
volume = {112},
issn = {0148-0227},
address = {Washington, DC},
publisher = {Union},
reportid = {PreJuSER-57798},
pages = {D05304},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {The impact of continental outflow on the ozone chemical
tendencies (i.e., production and loss rates) is quantified
in the North Atlantic and northwest Pacific regions using
the GEOS-Chem and the MOZECH global models of chemistry and
transport. The ozone tendencies simulated by these global
models are compared to box model simulations constrained by
observations in different regions and seasons. The two
global models generally capture the seasonal and regional
variations of the ozone tendencies. The largest
discrepancies between the ozone tendencies from the box
model and those from the global models are found in the
lower troposphere of the eastern North Atlantic during the
ACSOE campaign and are attributed to differences between
chemical schemes and too strong NOx concentrations in the
global models. The background and plume (i.e., impacted by
continental outflow) environments are differentiated over
the oceanic areas using criteria based on simulated daily
mean CO concentrations. The ozone tendencies in the plume
environment differ from that in the background over the
entire column in North Atlantic and northwest Pacific at all
seasons. According to the models, net ozone production is
enhanced by 2 to 6 ppbv/day in the boundary layer and by 1
to 3 ppbv/ day in the upper troposphere, whereas the effect
of pollution ranges from -1 ppbv/day to +1 ppbv/day in the
middle troposphere (3-7 km), depending on the model used.
The different responses of the two models are determined by
differences in the water vapor distributions relative to
those of pollutants in the plumes. In particular, GEOS-Chem
tends to transport pollution in a drier sector of cyclones
than MOZECH.},
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:000244899100002},
doi = {10.1029/2006JD007137},
url = {https://juser.fz-juelich.de/record/57798},
}