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题名: Dioxin-like compounds in sediments from the Daliao River Estuary of Bohai Sea: Distribution and their influencing factors
作者: Zhao, Xiaofeng1, 3;  Zhang, Haijun1;  Fan, Jingfeng2;  Guan, Daoming2;  Zhao, Huade2;  Ni, Yuwen1;  Li, Yun1;  Chen, Jiping1
关键词: Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) ;  Polychlorinated biphenyls (PCBs) ;  Polychlorinated naphthalenes (PCNs) ;  Daliao River Estuary
刊名: MARINE POLLUTION BULLETIN
发表日期: 2011-05-01
DOI: 10.1016/j.marpolbul.2011.02.054
卷: 62, 期:5, 页:918-925
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences ;  Marine & Freshwater Biology
研究领域[WOS]: Environmental Sciences & Ecology ;  Marine & Freshwater Biology
英文摘要: The concentrations, compositional profiles, and potential ecological risk of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), polychlorinated biphenyls (PCBs) and polychlorinated naphthalenes (PCNs) in sediments of the Daliao River Estuary were investigated. Total concentrations of PCDD/Fs, PCBs, and PCNs were in the range of 11.3-133.2 ng/kg dry weight (dw), 1 971-37 632 ng/kg dw and 33.1-284.4 ng/kg dw, respectively. The total TEQ values varied from 0.37 to 4.08 ng/kg dw, with the dominant contributions by PCDD/Fs, then by PCBs and PCNs. The spatial distributions of PCDD/Fs, PCBs and PCNs in the river estuary were much related to hydrodynamic conditions. The risk of contamination to the deeper sea was increased in the flood seasons. Moreover, our data confirmed that both organic matter in sediments and molecular properties of dioxin-like compounds were the factors which strongly influenced the partition behavior of these dioxin-like compounds between sediments and water phase in the estuarine zone. (C) 2011 Elsevier Ltd. All rights reserved.
关键词[WOS]: DIBENZO-P-DIOXINS ;  INDIVIDUAL POLYCHLORINATED NAPHTHALENES ;  TOXIC EQUIVALENCY FACTORS ;  VINYL-CHLORIDE MONOMER ;  ETHYLENE DICHLORIDE ;  RELATIVE POTENCIES ;  UNITED-STATES ;  NORTH CHINA ;  PCBS ;  EMISSIONS
语种: 英语
WOS记录号: WOS:000291133500018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142403
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Natl Marine Environm Monitoring Ctr, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Zhao, Xiaofeng,Zhang, Haijun,Fan, Jingfeng,et al. Dioxin-like compounds in sediments from the Daliao River Estuary of Bohai Sea: Distribution and their influencing factors[J]. MARINE POLLUTION BULLETIN,2011,62(5):918-925.
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