DOI: 10.1016/j.atmosenv.2013.11.019
Scopus记录号: 2-s2.0-84889675780
论文题名: Column-integrated aerosol optical and physical properties at a regional background atmosphere in North China Plain
作者: Zhu J ; , Che H ; , Xia X ; , Chen H ; , Goloub P ; , Zhang W
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 84 起始页码: 54
结束页码: 64
语种: 英语
英文关键词: Aerosol classification
; Aerosol optical properties
; Back-trajectory analysis
; North China
; Xinglong
Scopus关键词: Atmospheric aerosols
; Physical properties
; Urban transportation
; Aerosol optical depths
; Aerosol optical property
; Anthropogenic aerosols
; Back trajectory analysis
; Coarse mode particles
; North China
; Temporal variability
; Xinglong
; Dust
; aerosol property
; background level
; dust
; haze
; industrial location
; long range transport
; physical property
; regional climate
; absorption
; air pollution
; algorithm
; article
; atmosphere
; autumn
; China
; dust
; observation
; particle size
; priority journal
; seasonal variation
; spring
; summer
; winter
; China
; Hebei
; North China Plain
; Xinglong
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: The AERONET level 2.0 data at Xinglong station from February 2006 to July 2011 were used to characterize the aerosol optical and physical properties, including temporal variability, aerosol absorption, classification and properties under dust and haze conditions. The annual mean aerosol optical depth (AOD) and extinction Angstrom exponent (EAE) are 0.28±0.30 and 1.07±0.38, respectively. The seasonal variations of AOD440nm are higher in spring (0.40±0.3) and summer (0.40±0.42) than in autumn (0.20±0.22) and winter (0.19±0.21). The EAE is low in spring (0.96±0.43) and high in summer (1.22±0.38). The EAE is ~1.25 with an absorption Angstrom exponent (AAE) of ~1.0-1.5 in Xinglong, which indicates that the dominant type is mixed aerosol (accounting for 88.2% at AAE>1.0). Almost all of the dust observations occurred in spring. The volume concentrations of both fine and coarse mode particles increase with increasing AOD. In spring, the increase of coarse particles is greater than that of fine aerosols; however, the reverse phenomenon is observed for other seasons. The high AOD at Xinglong could be associated with the growth of fine mode aerosols and addition of coarse mode particles. This background station is not only impacted by dust aerosols from northwest China and south Mongolia but also influenced by long-range transportation of anthropogenic aerosols from south urban and industrialized regions. The mean AOD was 1.49 on the dust day, while AOD was 1.10 on the haze day. The mean EAEs were 0.09 and 1.43 on dust and haze days, respectively. © 2013 Elsevier Ltd.
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81046
Appears in Collections: 气候变化事实与影响
There are no files associated with this item.
作者单位: Laboratory for Middle Atmosphere and Global Environment Observation, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; Key Laboratory for Atmospheric Chemistry, Institute of Atmospheric Composition, Chinese Academy of Meteorological Sciences, CMA, Beijing 100081, China; Laboratoire d' Optique Atmospherique, Universitéde Lille 1, Villeneuve d'Ascq, France; University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation:
Zhu J,, Che H,, Xia X,et al. Column-integrated aerosol optical and physical properties at a regional background atmosphere in North China Plain[J]. Atmospheric Environment,2014-01-01,84