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Carbonaceous and Ionic Components of Atmospheric Fine Particles in Beijing and Their Impact on Atmospheric Visibility
Zhou, JM (Zhou, Jiamao)[1]; Zhang, RJ (Zhang, Renjian)[2]; Cao, JJ (Cao, Junji)[1,3]; Chow, JC (Chow, Judith C.)[4]; Watson, JG (Watson, John G.)[4]
2012-08-31
发表期刊AEROSOL AND AIR QUALITY RESEARCH
卷号12期号:4页码:492-502
文章类型期刊论文
摘要

Ground-based observation of fine particulate matter (PM2.5) in Beijing was carried out continuously in 2006. The carbonaceous and ionic components, as well as their distribution characteristics and seasonal variation, were obtained. The annual mean mass concentration of PM2.5 was 176.6 +/- 100.3 mu g/m(3). Long-range transport dust and local dust raised by strong wind during the spring made a considerable contribution to PM2.5 mass concentration. There was significant seasonal variation in carbonaceous and water-soluble ionic components associated with diverse emission sources, varying meteorological conditions during different seasons, and different mechanisms of formation for secondary aerosol ions. Comparing studies under different synoptic conditions suggested that PM2.5 pollution was mainly caused by transportation of particulates from remote sources, whereas hazy synoptic conditions are caused by local pollution. PM2.5 and visibility were negatively correlated, and the relationship between the concentrations of NH4+, SO42-, and NO3- with PM2.5 concentration during winter can be described using power function fitting.

关键词Pm2.5 Oc Ec Ion Visibility
DOI10.4209/aaqr.2011.11.0218
收录类别SCIE ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10130
专题粉尘与环境研究室
通讯作者Cao, JJ (Cao, Junji)[1,3]
作者单位1.Key Laboratory of Aerosol, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China;
2.RCE-TEA, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China;
3.Institute of Global Environmental Change, Xi’an Jiaotong University, Xi’an, China;
4.Desert Research Institute, Reno, USA
推荐引用方式
GB/T 7714
Zhou, JM ,Zhang, RJ ,Cao, JJ ,et al. Carbonaceous and Ionic Components of Atmospheric Fine Particles in Beijing and Their Impact on Atmospheric Visibility[J]. AEROSOL AND AIR QUALITY RESEARCH,2012,12(4):492-502.
APA Zhou, JM ,Zhang, RJ ,Cao, JJ ,Chow, JC ,&Watson, JG .(2012).Carbonaceous and Ionic Components of Atmospheric Fine Particles in Beijing and Their Impact on Atmospheric Visibility.AEROSOL AND AIR QUALITY RESEARCH,12(4),492-502.
MLA Zhou, JM ,et al."Carbonaceous and Ionic Components of Atmospheric Fine Particles in Beijing and Their Impact on Atmospheric Visibility".AEROSOL AND AIR QUALITY RESEARCH 12.4(2012):492-502.
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