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《Journal of Anhui Agricultural Sciences》 2010-15
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Analysis on PM_(10) Pollution and Meteorological Conditions in Changchun City

ZHOU De-ping et al(Institute of Atmospheric Environment,CMA,Shenyang,Liaoning 110016)  
Based on the environment monitoring data and the meteorological data in Changchun City during the last three years,seasonal variation characteristics of main pollutant PM10 were analyzed.A linear correlation analysis on the relativity between PM10 concentration and the six meteorological factors such as average temperature,rainfall,relative humidity,visibility,average wind speed and air pressure was made.It indicated that the PM10 concentration had no significant increasing and decreasing trend from 2006 to 2008,is about 0.097-0.100 mg/m3.The PM10 concentration in Changchun had significant characteristics of seasonal variation;it is obviously a bit high in winter and spring,while is lower in summer than other three seasons.The PM10 pollution primarily belongs to level II in the recent 3 years,accounting for 87.7%.PM10 pollution is heavier on the day which often accompanying with the weather phenomenon such as fog,smog,gale and dust.The correlation coefficients between PM10 concentrations and the meteorological factors such as average temperature,rainfall,visibility and average wind are negative.The correlation coefficients between PM10 concentrations and the meteorological factors such as relative humidity and air pressure are positive.
【Fund】: 科技部社会公益研究专项(2005-DIB2J111);; 2009年中国气象局沈阳大气环境研究所基本科研业务费项目(SYKYYW200901)
【CateGory Index】: X513;X16
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