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@ARTICLE{Rasmussen:19095,
author = {Rasmussen, D.J. and Fiore, A.M. and Naik, V. and Horowitz,
L.W. and McGinnis, S.J. and Schultz, M.G.},
title = {{S}urface ozone-temperature relationships in the eastern
{US}: {A} monthly climatology for evaluating
chemistry-climate models},
journal = {Atmospheric environment},
volume = {47},
issn = {1352-2310},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {PreJuSER-19095},
pages = {142 - 53},
year = {2012},
note = {Record converted from VDB: 12.11.2012},
abstract = {We use long-term, coincident O-3 and temperature
measurements at the regionally representative US
Environmental Protection Agency Clean Air Status and Trends
Network (CASTNet) over the eastern US from 1988 through 2009
to characterize the surface O-3 response to year-to-year
fluctuations in weather, for the purpose of evaluating
global chemistry-climate models. We first produce a monthly
climatology for each site over all available years, defined
as the slope of the best-fit line (m(O3-T)) between monthly
average values of maximum daily 8-hour average (MDA8) O-3
and monthly average values of daily maximum surface
temperature (T-max). Applying two distinct statistical
approaches to aggregate the site-specific measurements to
the regional scale, we find that summer time m(O3-T) is 3-6
ppb K-1 (r = 0.5-0.8) over the Northeast, 3-4 ppb K-1 (r =
0.5-0.9) over the Great Lakes, and 3-6 ppb K-1 (r = 0.2-0.8)
over the Mid-Atlantic. The Geophysical Fluid Dynamics
Laboratory (GFDL) Atmospheric Model version 3 (AM3) global
chemistry-climate model generally captures the seasonal
variations in correlation coefficients and m(O3-T) despite
biases in both monthly mean summertime MDA8 O-3 (up to +10
to +30 ppb) and daily T-max (up to +5 K) over the eastern
US. During summer, GFDL AM3 reproduces m(O3-T) over the
Northeast (m(O3-T) = 2-6 ppb K-1; r = 0.6-0.9), but
underestimates m(O3-T) by 4 ppb K-1 over the Mid-Atlantic,
in part due to excessively warm temperatures above which O-3
production saturates in the model. Combining T-max biases in
GFDL AM3 with an observation-based m(O3-T) estimate of 3 ppb
K-1 implies that temperature biases could explain up to 5-15
ppb of the MDA8 O-3 bias in August and September though
correcting for excessively cool temperatures would worsen
the O-3 bias in June. We underscore the need for long-term,
coincident measurements of air pollution and meteorological
variables to develop process-level constraints for
evaluating chemistry-climate models used to project air
quality responses to climate change. Published by Elsevier
Ltd.},
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 = {Environmental Sciences / Meteorology $\&$ Atmospheric
Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000301157700017},
doi = {10.1016/j.atmosenv.2011.11.021},
url = {https://juser.fz-juelich.de/record/19095},
}