Articles | Volume 17, issue 4
https://doi.org/10.5194/acp-17-2943-2017
https://doi.org/10.5194/acp-17-2943-2017
Research article
 | 
01 Mar 2017
Research article |  | 01 Mar 2017

US surface ozone trends and extremes from 1980 to 2014: quantifying the roles of rising Asian emissions, domestic controls, wildfires, and climate

Meiyun Lin, Larry W. Horowitz, Richard Payton, Arlene M. Fiore, and Gail Tonnesen

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AR by Meiyun Lin on behalf of the Authors (02 Feb 2017)  Author's response
ED: Publish as is (06 Feb 2017) by Bryan N. Duncan
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Short summary
US ozone pollution responds to varying global-to-regional precursor emissions and climate, with implications for designing effective air quality control policies. Asian anthropogenic emissions of ozone precursors tripled since 1990, contributing 65 % to western US ozone increases in spring, outpacing ozone decreases attained via 50 % US emission controls. In the eastern US, if emissions had not declined, more frequent hot extremes since 1990 would have worsened the highest ozone events in summer.
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