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Characterization of polychlorinated biphenyl congeners in surface sediments of the Changjiang Estuary and adjacent shelf by high-resolution sampling and high-resolution mass spectrometry
Liu, Aifeng1; Wang, Yawei2; Xian, Mo1; Zhao, Zongshan1; Zhao, Bin3; Wang, Jinpeng3; Yao, Peng3
2017-11-15
发表期刊MARINE POLLUTION BULLETIN
卷号124期号:1页码:496-501
摘要Due to limited samples and low-resolution analysis, conflicting findings on major polychlorinated biphenyl (PCB) congeners and their origins remain in the East China Sea (ECS). Based on high-resolution sampling and high-resolution mass spectrometry analysis, 72 surface sediment samples from the Changjiang Estuary and adjacent ECS shelf were determined to characterize 39 PCB congeners. PCBs (Sigma(39)PCBs) ranged from 0.003 to 16.18 ng/g dw, presenting a decreasing seaward trend. Tri-, tetra- and penta-CBs were the main components, accounting for > 64% of Sigma(39)PCBs in most samples. Tetra-CBs were the dominant congeners, corresponding to results of sediments from Changjiang middle reach and soils from Changjiang Delta. Comparison between PCBs and sediment properties indicated there may be a deposition boundary of 30 degrees N. In the north, the spatial distribution of PCBs is controlled by Changjiang input and hydrodynamic conditions, while in the south closely related to combination of local source and riverine input.
文章类型Article
关键词Polychlorinated Biphenyl Sediment Changjiang Estuary Distribution High-resolution
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.marpolbul.2017.07.036
关键词[WOS]EAST CHINA SEA ; YANGTZE-RIVER DELTA ; ORGANOCHLORINE-PESTICIDES ; ORGANIC POLLUTANTS ; CONTINENTAL-SHELF ; RISK-ASSESSMENT ; PCB CONGENERS ; DEGRADATION ; DECHLORINATION ; DISTRIBUTIONS
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
项目资助者China Postdoctoral Science Foundation(2016M602210) ; National Natural Science Foundation of China(21407086 ; State Key Laboratory of Environmental Chemistry and Ecotoxicology Open Fund(KF2016-12) ; 21477138 ; 41676063 ; 41521064)
WOS类目Environmental Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000415391200067
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文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9690
专题生物基材料组群
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, POB 2871, Beijing 100085, Peoples R China
3.Ocean Univ China, Minist Educ, Key Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China
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Liu, Aifeng,Wang, Yawei,Xian, Mo,et al. Characterization of polychlorinated biphenyl congeners in surface sediments of the Changjiang Estuary and adjacent shelf by high-resolution sampling and high-resolution mass spectrometry[J]. MARINE POLLUTION BULLETIN,2017,124(1):496-501.
APA Liu, Aifeng.,Wang, Yawei.,Xian, Mo.,Zhao, Zongshan.,Zhao, Bin.,...&Yao, Peng.(2017).Characterization of polychlorinated biphenyl congeners in surface sediments of the Changjiang Estuary and adjacent shelf by high-resolution sampling and high-resolution mass spectrometry.MARINE POLLUTION BULLETIN,124(1),496-501.
MLA Liu, Aifeng,et al."Characterization of polychlorinated biphenyl congeners in surface sediments of the Changjiang Estuary and adjacent shelf by high-resolution sampling and high-resolution mass spectrometry".MARINE POLLUTION BULLETIN 124.1(2017):496-501.
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