干旱区生态环境知识资源中心(Arid): Characteristics of Elemental Composition of PM_(2.5) in the Spring Period at Tongyu in the Semi-arid Region of Northeast China

Arid

DOI	10.1007/s00376-008-0922-7
	Characteristics of Elemental Composition of PM_(2.5) in the Spring Period at Tongyu in the Semi-arid Region of Northeast China
	ZHANG Renjian; FU Congbin; HAN Zhiwei; ZHU Chongshu
来源期刊	Advances in Atmospheric Sciences
ISSN	0256-1530
出版年	2008
卷号	25 期号:6 页码:922-931
英文摘要	Continuous observations of mass concentration and elemental composition of aerosol particles (PM_(2.5)) were conducted at Tongyu, a semi-arid site in Northeast China in the spring of 2006. The average mass concentration of PM_(2.5) at Tongyu station was 260.9274.4 mug m~(-3) during the observation period. Nine dust events were monitored with a mean concentration of 528.0302.7 mug m~(-3). The PM_(2.5) level during non- dust storm (NDS) period was 111.6563.37 mug m~(-3). High mass concentration shows that fine-size particles pollution was very serious in the semi-arid area in Northeast China. The enrichment factor values for crust elements during the dust storm (DS) period are close to those in the NDS period, while the enrichment factor values for pollution elements during the NDS period are much higher than those in the DS period, showing these elements were from anthropogenic sources. The ratios of dust elements to Fe were relative constant during the DS period. The Ca/Fe ratio in dust aerosols at Tongyu is remarkably different from that observed in other source regions and downwind regions. Meteorological analysis shows that dust events at Tongyu are usually associated with dry, low pressure and high wind speed weather conditions. Air mass back-trajectory analysis identified three kinds of general pathways were associated with the aerosol particle transport to Tongyu, and the northwest direction pathway was the main transport route.
英文关键词	dust aerosol mass concentration elemental composition transport pathway
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Meteorology & Atmospheric Sciences
CSCD记录号	CSCD:3410866
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/334989
作者单位	ZHANG Renjian, Institute of Atmospheric Physics, Chinese Academy of Sciences, START Regional Center for Temperate East Asia, Key Laboratory of Regional Climate-Environment Research for Temperate East Asia, CAS, Beijing 100029, China.; FU Congbin, Institute of Atmospheric Physics, Chinese Academy of Sciences, START Regional Center for Temperate East Asia, Key Laboratory of Regional Climate-Environment Research for Temperate East Asia, CAS, Beijing 100029, China.; HAN Zhiwei, Institute of Atmospheric Physics, Chinese Academy of Sciences, START Regional Center for Temperate East Asia, Key Laboratory of Regional Climate-Environment Research for Temperate East Asia, CAS, Beijing 100029, China.; ZHU Chongshu, SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xian, 710075.
推荐引用方式 GB/T 7714	ZHANG Renjian,FU Congbin,HAN Zhiwei,et al. Characteristics of Elemental Composition of PM_(2.5) in the Spring Period at Tongyu in the Semi-arid Region of Northeast China[J],2008,25(6):922-931.
APA	ZHANG Renjian,FU Congbin,HAN Zhiwei,&ZHU Chongshu.(2008).Characteristics of Elemental Composition of PM_(2.5) in the Spring Period at Tongyu in the Semi-arid Region of Northeast China.Advances in Atmospheric Sciences,25(6),922-931.
MLA	ZHANG Renjian,et al."Characteristics of Elemental Composition of PM_(2.5) in the Spring Period at Tongyu in the Semi-arid Region of Northeast China".Advances in Atmospheric Sciences 25.6(2008):922-931.