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@ARTICLE{Shindell:57796,
author = {Shindell, D. T. and Faluvegi, G. and Stevenson, D. S. and
Krol, M. C. and Emmons, L. K. and Lamarque, J.-F. and
Pétron, G. and Dentener, F. J. and Ellingsen, K. and
Schultz, M. G. and Wild, O. and Amann, M. and Atherton, C.
S. and Bergmann, D. J. and Bey, I. and Butler, T. and
Cofala, J. and Collins, W. J. and Derwent, R. G. and
Doherty, R. M. and Drevet, J. and Eskes, H.J. and Fiore, A.
M. and Gauss, M. and Hauglustaine, D. A. and Horowitz, L. W.
and Isaksen, I. S. A. and Lawrence, M. G. and Montanaro, V.
and Müller, J.-F. and Pitari, G. and Prather, M. J. and
Pyle, J. A. and Rast, S. and Rodriguez, J. M. and Sanderson,
M. G. and Savage, N. H. and Strahan, S.E. and Sudo, K. and
Szopa, S. and Unger, N. and van Noije, T. P. C. and Zeng,
G.},
title = {{M}ultimodel simulations of carbon monoxide: {C}omparison
with observations and projected near-future changes},
journal = {Journal of Geophysical Research},
volume = {111},
issn = {0148-0227},
address = {Washington, DC},
publisher = {Union},
reportid = {PreJuSER-57796},
pages = {D19306},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {We analyze present-day and future carbon monoxide (CO)
simulations in 26 state-of-the-art atmospheric chemistry
models run to study future air quality and climate change.
In comparison with near-global satellite observations from
the MOPITT instrument and local surface measurements, the
models show large underestimates of Northern Hemisphere (NH)
extratropical CO, while typically performing reasonably well
elsewhere. The results suggest that year-round emissions,
probably from fossil fuel burning in east Asia and seasonal
biomass burning emissions in south-central Africa, are
greatly underestimated in current inventories such as IIASA
and EDGAR3.2. Variability among models is large, likely
resulting primarily from intermodel differences in
representations and emissions of nonmethane volatile organic
compounds (NMVOCs) and in hydrologic cycles, which affect OH
and soluble hydrocarbon intermediates. Global mean
projections of the 2030 CO response to emissions changes are
quite robust. Global mean midtropospheric (500 hPa) CO
increases by 12.6 +/- 3.5 ppbv $(16\%)$ for the
high-emissions (A2) scenario, by 1.7 +/- 1.8 ppbv $(2\%)$
for the midrange (CLE) scenario, and decreases by 8.1 +/-
2.3 ppbv $(11\%)$ for the low-emissions (MFR) scenario.
Projected 2030 climate changes decrease global 500 hPa CO by
1.4 +/- 1.4 ppbv. Local changes can be much larger. In
response to climate change, substantial effects are seen in
the tropics, but intermodel variability is quite large. The
regional CO responses to emissions changes are robust across
models, however. These range from decreases of 10-20 ppbv
over much of the industrialized NH for the CLE scenario to
CO increases worldwide and year-round under A2, with the
largest changes over central Africa (20-30 ppbv), southern
Brazil (20-35 ppbv) and south and east Asia (30-70 ppbv).
The trajectory of future emissions thus has the potential to
profoundly affect air quality over most of the world's
populated areas.},
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:000241297400004},
doi = {10.1029/2006JD007100},
url = {https://juser.fz-juelich.de/record/57796},
}