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Polychlorinated biphenyls in chinese surface soils
Ren, NQ; Que, MX; Li, YF; Liu, Y; Wan, XN; Xu, DD; Sverko, E; Ma, JM; Xu DD(徐殿斗)
2007
发表期刊ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷号41期号:11页码:3871-3876
通讯作者Environm Canada, Sci & Technol Branch, Toronto, ON M3H 5T4, Canada ; Harbin Inst Technol, IJRC PTS, Harbin 150006, Peoples R China ; Harbin Engn Univ, IJRC PTS, Harbin 150006, Peoples R China ; Chengdu Univ Technol, IJRC PTS, Chengdu, Peoples R China ; Dalian Maritime Univ, IJRC PTS, Dalian, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, IJRC PTS, Beijing 100864, Peoples R China ; McMaster Univ, IJRC PTS, Hamilton, ON L8S 4L8, Canada
文章类型Article
摘要Polychlorinated biphenyl (PCB) concentrations in surface soil samples (0-20 cm) from 52 sites (4 background, 39 rural, and 9 urban) across China in 2005 are presented. The average concentration of total PCBs among all the sites was 515 pg/g dry weight (dw), approximately one-tenth of that in global background soil in 1998. Differences of less than 1 order of magnitude were found between all background and rural sites, indicating a generally uniform distribution of PCBs in Chinese background/rural surface soil. While the major PCB homologue group in global background soil is hexa-PCB followed by penta-PCB, the major PCB homologue group in Chinese background/rural soil is tri-PCB followed by di-PCB, indicating a rather fresh signature in comparison to the much weathered PCBs in global surface soil. The correlation between Sigma PCBs and also each PCB homologue group per soil organic carbon (SOC) content in background/rural soil with longitude from 80 degrees to 122 degrees East was studied. The results indicated the strong influence of PCBs concentrations in Chinese background/rural soil by proximity to source region and SOC content, and also provided evidence for urban fractionation effect of PCBs in soil in the city of Shanghai and the longitudinal fractionation of PCBs in Chinese background/rural soil from east to west. This work is the first comprehensive and spatial study of its kind for PCBs in Chinese surface soil on a national scale, and the data presented in this study can provide baseline information for establishing a long-term PCBs monitoring program in China.
学科领域Engineering; Environmental Sciences & Ecology
研究领域[WOS]Engineering ; Environmental Sciences & Ecology ; Engineering ; Environmental Sciences & Ecology
DOI10.1021/es063004y
URL查看原文
语种英语
研究领域[WOS]Engineering ; Environmental Sciences & Ecology ; Engineering ; Environmental Sciences & Ecology
WOS类目Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000246843300010
引用统计
被引频次:154[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239946
专题多学科研究中心
实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Ren, NQ,Que, MX,Li, YF,et al. Polychlorinated biphenyls in chinese surface soils[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2007,41(11):3871-3876.
APA Ren, NQ.,Que, MX.,Li, YF.,Liu, Y.,Wan, XN.,...&徐殿斗.(2007).Polychlorinated biphenyls in chinese surface soils.ENVIRONMENTAL SCIENCE & TECHNOLOGY,41(11),3871-3876.
MLA Ren, NQ,et al."Polychlorinated biphenyls in chinese surface soils".ENVIRONMENTAL SCIENCE & TECHNOLOGY 41.11(2007):3871-3876.
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