Elemental Composition, Morphology and Sources of Fine Particulates (PM2.5) in Hefei City, China

doi:10.4209/aaqr.2018.09.0341

IEECAS OpenIR > 黄土与第四纪地质国家重点实验室（2010~）

	Elemental Composition, Morphology and Sources of Fine Particulates (PM2.5) in Hefei City, China
	Xue, Huaqin 1,2; Liu, Guijian 1,2; Zhang, Hong 1,3; Hu, Ruoyu 1; Wang, Xin 1
通讯作者	Liu, Guijian(lgj@ustc.edu.cn)
	2019-08-01
发表期刊	AEROSOL AND AIR QUALITY RESEARCH
ISSN	1680-8584
卷号	19 期号:8 页码:1688-1696
摘要	Elemental composition and morphology were studied for atmospheric fine particles (PM2.5) collected from a fast developing city, Hefei, with an aim of tracing the potential emission sources. The sampling was conducted every month at two urban sites between June 2014 and December 2015. We used X-ray fluorescence (XRF) to determine the elemental composition, and scanning electronic microscopy (SEM) and transmission electron microscope (TEM) to characterize the particles in morphology. Our results showed that PM2.5 contained large fractions of particles likely derived from fuel burning, construction and automobile emissions and was highly enriched in sulfur. Aggregations of particles suggested a strong secondary reaction under high SO2 levels. Some discrepancies in elemental composition at the two sampling sites were observed, which were attributed to the difference in traffic density and construction fugitive dust emissions. A negative correlation existed between the polluted elements in PM2.5 and the ambient temperature and a positive correlation existed with the pressure, likely caused by a reduction in the height of the terrestrial boundary layer and reaction rates of pollutants.
关键词	PM2.5 Elemental composition Morphology Sources identification
DOI	10.4209/aaqr.2018.09.0341
关键词[WOS]	AIR-POLLUTION ; SOURCE APPORTIONMENT ; DAILY MORTALITY ; CHEMICAL CHARACTERISTICS ; ELECTRON-MICROSCOPY ; ENRICHMENT FACTORS ; EUROPEAN CITIES ; AMBIENT AIR ; PM10 ; MATTER
收录类别	SCI ; SCI
语种	英语
资助项目	National Natural Science Foundation of China[41173032] ; Anhui Environmental Protection Scientific Research Fund[2015004]
WOS研究方向	Environmental Sciences & Ecology
项目资助者	National Natural Science Foundation of China ; Anhui Environmental Protection Scientific Research Fund
WOS类目	Environmental Sciences
WOS记录号	WOS:000480515700004
出版者	TAIWAN ASSOC AEROSOL RES-TAAR
引用统计	被引频次：11[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/13602
专题	黄土与第四纪地质国家重点实验室（2010~）
通讯作者	Liu, Guijian
作者单位	1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shanxi, Peoples R China 3.Anhui Environm Sci Inst, Hefei 233000, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Xue, Huaqin,Liu, Guijian,Zhang, Hong,et al. Elemental Composition, Morphology and Sources of Fine Particulates (PM2.5) in Hefei City, China[J]. AEROSOL AND AIR QUALITY RESEARCH,2019,19(8):1688-1696.
APA	Xue, Huaqin,Liu, Guijian,Zhang, Hong,Hu, Ruoyu,&Wang, Xin.(2019).Elemental Composition, Morphology and Sources of Fine Particulates (PM2.5) in Hefei City, China.AEROSOL AND AIR QUALITY RESEARCH,19(8),1688-1696.
MLA	Xue, Huaqin,et al."Elemental Composition, Morphology and Sources of Fine Particulates (PM2.5) in Hefei City, China".AEROSOL AND AIR QUALITY RESEARCH 19.8(2019):1688-1696.