首页> 美国政府科技报告 >Assessment of the Impacts of Global Change on Regional U.S. Air Quality: A Synthesis of Climate Change Impact on Ground-Level Ozone. An Interim Report of the U.S. EPA Global Change Research Program
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Assessment of the Impacts of Global Change on Regional U.S. Air Quality: A Synthesis of Climate Change Impact on Ground-Level Ozone. An Interim Report of the U.S. EPA Global Change Research Program

机译:评估全球变化对美国区域空气质量的影响:气候变化对地面臭氧影响的综合。美国环保署全球变化研究计划的中期报告

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摘要

It is increasingly recognized that the science and policy communities need to explore the potential impact of long-term (multi-decadal), global climate change on regional air qualityspecifically the possibility that such change may complicate air quality managers ability to attain their management goals. These concerns are grounded in information derived from observational studies, basic atmospheric chemistry, and modeling of short-term air pollution episodes. For example, these analyses have established the major role that weather patterns play in establishing conditions conducive to ozone (O3) formation and accumulation, such as abundant sunshine, high temperatures, and stagnant air. It is now well understood that year-to-year variability in summer climate is strongly correlated with the number of days that exceed O3 air quality standards. Historically, air pollution has been studied mostly in terms of immediate local and regional concerns, rather than as a global change issue. In 2001, the EPA Office of Research and Developments Global Change Research Program initiated an effort to increase understanding of the multiple complex interactions between long-term global climate change and atmospheric chemistry which have the potential to influence air pollution in the United States. The overall goal of the assessment effort is to enhance the ability of air quality policy makers and managers to consider global climate change in their decisions through this increased understanding.

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