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)
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY
2007
卷号41期号:11页码:3871-3876
学科分类Engineering; Environmental Sciences & Ecology
DOI10.1021/es063004y
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
英文摘要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.
类目[WOS]Engineering, Environmental ; Environmental Sciences
研究领域[WOS]Engineering ; Environmental Sciences & Ecology
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语种英语
WOS记录号WOS:000246843300010
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239946
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_实验物理中心
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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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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