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Effect of rising Asian emissions on surface ozone in the United States

Effect of rising Asian emissions on surface ozone in the United States The effect of increasing fossil fuel combustion in eastern Asia on surface O3 air pollution in the United States is examined with a global three‐dimensional tropospheric chemistry model. Tripling of Asian anthropogenic emissions from 1985 to 2010 is expected to increase monthly mean O3 concentrations by 2–6 ppbv in the western United States and by 1–3 ppbv in the eastern United States, the maximum effect being in April–June. This increase would more than offset the benefits of 25% domestic reductions in anthropogenic emissions of NOx and hydrocarbons in the western United States. Asian influence may be less under the stagnant conditions leading to violations of the U.S. air quality standard. Nevertheless, our results suggest that a global perspective is necessary when designing a strategy to meet regional O3 air quality objectives. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Geophysical Research Letters Wiley

Effect of rising Asian emissions on surface ozone in the United States

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References (34)

Publisher
Wiley
Copyright
Copyright © 1999 by the American Geophysical Union.
ISSN
0094-8276
eISSN
1944-8007
DOI
10.1029/1999GL900450
Publisher site
See Article on Publisher Site

Abstract

The effect of increasing fossil fuel combustion in eastern Asia on surface O3 air pollution in the United States is examined with a global three‐dimensional tropospheric chemistry model. Tripling of Asian anthropogenic emissions from 1985 to 2010 is expected to increase monthly mean O3 concentrations by 2–6 ppbv in the western United States and by 1–3 ppbv in the eastern United States, the maximum effect being in April–June. This increase would more than offset the benefits of 25% domestic reductions in anthropogenic emissions of NOx and hydrocarbons in the western United States. Asian influence may be less under the stagnant conditions leading to violations of the U.S. air quality standard. Nevertheless, our results suggest that a global perspective is necessary when designing a strategy to meet regional O3 air quality objectives.

Journal

Geophysical Research LettersWiley

Published: Jul 15, 1999

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