Concentration Features and Elemental Characteristics of PM10 in Brown Haze Episode
The correlation between PMio and meteorological factors were investigated,such as wind speed,atmospheric visibility,dew point,relative humidity,and ambient temperature during the brown haze episode.In order to identify the elemental characteristics and concentration features of PM10 during brown haze episode,respirable particulate matter (PM10) was collected during non-haze days and haze days and further analyzed for 20 elements.Among the metallic elements,S,K,Si,and Ca contributed major composition of PM10.S came mainly from coal burning and K was mainly attributed from incinerators and abandoned biomass burning.Furthermore,As was not detectable in non-haze days,while its concentration was 0.15～0.17 μg/m3 in haze days,which would be very much harmful to human health.However,the variation of Sr,Ti,Cr,and Cd was insignificantly,mainly due to low relevance with human activities and/or cross-boundary transportation.
PM10 Concentration features Chemical analysis Meteorological factors
Likun Huang Chung-Shin Yuan Guangzhi Wang Kun Wang
School of Food Engineering,Harbin University of Commerce,Harbin 150076,China School of Municipal and School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China
国际会议
哈尔滨
英文
1661-1664
2010-07-24（万方平台首次上网日期，不代表论文的发表时间）