DOI: 10.1016/j.atmosenv.2014.11.038
Scopus记录号: 2-s2.0-84913580870
论文题名: Analysis of a severe prolonged regional haze episode in the Yangtze River Delta, China
作者: Wang M ; , Cao C ; , Li G ; , Singh R ; P
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 102 起始页码: 112
结束页码: 121
语种: 英语
英文关键词: Backscatter and depolarization ratio
; PM2.5
; Regional haze episode
; Visibility
; Yangtze River Delta
Scopus关键词: Air pollution
; Atmospheric aerosols
; Boundary layers
; Dust
; Rivers
; Visibility
; Aerosol optical property
; Depolarization ratio
; Meteorological condition
; Meteorological parameters
; Planetary boundary layers
; Regional haze
; Temporal and spatial variation
; Yangtze river delta
; Principal component analysis
; aerosol property
; anthropogenic source
; atmospheric pollution
; boundary layer
; haze
; meteorology
; visibility
; aerosol
; air pollutant
; air pollution
; air quality
; Article
; boundary layer
; China
; concentration (parameters)
; dust
; haze
; meteorology
; optical depth
; principal component analysis
; river
; ultraviolet radiation
; China
; Yangtze Delta
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: A severe prolonged regional haze episode occurred over the Yangtze River Delta (YRD) from 2 to 14 December 2013. In this paper, we have discussed the probable cause of haze episode and aerosol characteristics. Analysis of visibility and meteorological parameters suggest that the meteorological conditions play a very important role in the accumulation of aerosol particles that cause haze. The height of the planetary boundary layer (PBL) is considered as one of the key factors together with other factors in the haze formation.The Principal Component Analysis (PCA) clearly shows accumulation process of air pollutants from vehicular, industrial and anthropogenic sources are major contributors for the haze formation. The aerosol optical properties (aerosol optical depth - AOD, Ångström exponent - α and Ultra Violet Aerosol Index - UVAI) are analyzed to study the temporal and spatial variations of aerosol loadings. The results show concentrations of fine mode particles during the haze episode, the dust could have been also entered in the region from the northwestern China. Analysis of vertical aerosol profiles indicate that dust aerosols concentrated in the lower part of the haze layers. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82062
Appears in Collections: 气候变化事实与影响
There are no files associated with this item.
作者单位: Institute of Remote Sensing and Digital Earth of Chinese Academy of Sciences, Beijing, China; University of Chinese Academy of Sciences, Beijing, China; School of Earth and Environmental Sciences, Schmid College of Science and Technology, Chapman University, One University Drive, Orange, CA, United States
Recommended Citation:
Wang M,, Cao C,, Li G,et al. Analysis of a severe prolonged regional haze episode in the Yangtze River Delta, China[J]. Atmospheric Environment,2015-01-01,102