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DOI:	10.1371/journal.pone.0113831
论文题名:	Chemical Characteristics of Water-Soluble Ions in Particulate Matter in Three Metropolitan Areas in the North China Plain
作者:	Xu Dao; Zhen Wang; Yibing Lv; Enjiang Teng; Linlin Zhang; Chao Wang
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-12-1
卷:	9, 期:12
语种:	英语
英文关键词:	Particulates ; Ions ; Coal ; Seasons ; Spring ; China ; Winter ; Aerosols
英文摘要:	PM2.5 and PM10 samples were collected simultaneously in each season in Beijing, Tianjin and Shijiazhuang to identify the characteristics of water-soluble ion compositions in the North China Plain. The water-soluble ions displayed significant seasonal variation. The dominant ions were NO3−, SO42−, NH4+ and Cl−, accounting for more than 90% and 86% to the mass of total water-soluble ions in PM2.5 and PM10, respectively. The anion/cation ratio indicated that the ion acidity of each city varied both between sites and seasonally. Over 50% of the ion species were enriched in small particles ≤1 µm in diameter. The [NO3−]/[SO42−] ratio indicated that vehicles accounted for the majority of the particulate pollution in Beijing. Shijiazhuang, a city highly reliant on coal combustion, had a higher SO42− concentration.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0113831&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18264
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0113831.PDF（529KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

China National Environmental Monitoring Centre, Beijing, China;School of Resource and Environmental Sciences, Wuhan University, Wuhan, Hubei, China;Department of Geography, University of California Santa Barbara, Santa Barbara, California, United States of America;China National Environmental Monitoring Centre, Beijing, China;China National Environmental Monitoring Centre, Beijing, China;China National Environmental Monitoring Centre, Beijing, China;China National Environmental Monitoring Centre, Beijing, China

Recommended Citation:

Xu Dao,Zhen Wang,Yibing Lv,et al. Chemical Characteristics of Water-Soluble Ions in Particulate Matter in Three Metropolitan Areas in the North China Plain[J]. PLOS ONE,2014-01-01,9(12)

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