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《Journal of Earth Environment》 2011-01
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Concentrations and size distributions of summertime atmospheric aerosols at urban and alpine sites in east and central China

DAI Wen-ting;LI Jian-jun;CHENG Chun-lei;HE Jian-hui;CAO Jun-ji;WANG Ge-hui;State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,Chinese Academy of Sciences;Graduate University of Chinese Academy of Sciences;  
To investigate the characteristics of mountain and urban aerosols in central and eastern China,TSP,PM_(10) and size-segregated samples were collected during 2009 summer in Mt.Hua,Mt.Tai and Shanghai.Concentrations of aerosols at Mt.Hua and Mt.Tai were lower than those in the urban area.TSP at Mt.Hua and Mt.Tai were(52±21) μg·m~(-3) and(80±42) μg·m~(-3),while PM_(10) were(43±18) μg·m~(-3)and(65±35) μg·m~(-3),respectively.PM_(10) in Shanghai was(72±27) μg·m~(-3).Based on the combined analyses of back-trajectories and API data,air masses from northeastern China were most seriously polluted,while air masses from northwestern China were more influenced by soil dust.Aerosols over Mt.Hua and Mt.Tai were dominated by fine particles( 2.1 μm) with the peak at 0.7~1.1 μm,which accounted for65%and 70%of PM_(10) in Mt.Hua and Mt.Tai,respectively.Coarse/fine particles ratios at Jinshan and Pudong sites in Shanghai are 1.80 and 1.92,indicating the significant influence of road dust and sea salt.
【Fund】: 中国科学院项目(KZCX2-YW-148 KZCX2-YW-BR-10)
【CateGory Index】: X513
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