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Ozone sensitivity analysis with the MM5-CMAQ modeling system for Shanghai
Authors:Li Li  Changhong Chen  Cheng Huang  Haiying Huang  Gangfeng Zhang  Yangjun Wang  Minghua Chen  Hongli Wang  Yiran Chen  D G Streets and Jiamo Fu
Institution:1. Institute of Environmental Pollution and Health, School of Environmental and Chemical Engineering, Shanghai University,Shanghai 200444, China. E-mail: lili@saes.sh.cn
2. Shanghai Academy of Environmental Sciences, Shanghai 200233, China
3. Decision and Information Sciences Division, Argonne National Laboratory, Argonne, IL 60439, USA
Abstract:Ozone has become one of the most important air pollution issues around the world. This article applied both O3/(NOy-NOx) and H2O2/HNO3 indicators to analyze the ozone sensitivity in urban and rural areas of Shanghai, with implementation of the MM5-CMAQ modeling system in July, 2007. The meteorological parameters were obtained by using the MM5 model. A regional emission inventory with spatial and temporal allocation based on the statistical data has been developed to provide input emission data to the MM5-CMAQ modeling system. Results showed that the ozone concentrations in Shanghai show clear regional differences. The ozone concentration in rural areas was much higher than that in the urban area. Two indicators showed that ozone was more sensitive to VOCs in urban areas, while it tended to be NOx sensitive in rural areas of Shanghai.
Keywords:ozone sensitivity  indicators  Shanghai
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