2012•Environment and Ecology in the Three GorgesRequires access
Analysis of Key Pollution Sources' Effects on Air Quality in Summer in Shenzhen
Liang Yongxian, Ier Environmental
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Abstract
The CALPUFF,an unsteady meteorological and air quality model system,was used to simulate the diffusion of pollution sources in Shenzhen and its surrounding areas based on the pollution emission,meteorological station data and air quality monitoring data in the Pearl River Delta Region in 2009,and to analyze the effects of five key pollution sources on the air quality quantitatively in Shenzhen in summer.The results showed that the concentrations of PM10 and NO2 in Shenzhen were mainly affected by local key pollution sources,accounting for about 80%,while the concentration of SO2 was affected equally by both local and surrounding key pollution sources.The results also showed that the pollution of SO2 was mainly from living,key points and power plant,while the pollution of PM10 and NO2 was mainly from traffic and road dust.