globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2017.07.036
Scopus记录号: 2-s2.0-85025157367
论文题名:
Characterization of polychlorinated biphenyl congeners in surface sediments of the Changjiang Estuary and adjacent shelf by high-resolution sampling and high-resolution mass spectrometry
作者: Liu A.; Wang Y.; Xian M.; Zhao Z.; Zhao B.; Wang J.; Yao P.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2017
卷: 124, 期:1
起始页码: 496
结束页码: 501
语种: 英语
英文关键词: Changjiang Estuary ; Distribution ; High-resolution ; Polychlorinated biphenyl ; Sediment
Scopus关键词: Electric circuit breakers ; Estuaries ; Mass spectrometry ; Polychlorinated biphenyls ; Sediments ; Spectrometry ; Surficial sediments ; Changjiang Estuary ; Distribution ; High resolution ; High resolution mass spectrometry ; High resolution sampling ; Hydrodynamic conditions ; Polychlorinated biphenyl congener ; Polychlorinated biphenyls (PCB) ; Organic pollutants ; polychlorinated biphenyl derivative ; estuarine sediment ; hydrodynamics ; marine pollution ; mass spectrometry ; PCB ; resolution ; sampling ; sediment property ; spatial distribution ; Article ; China ; continental shelf ; estuary ; hydrodynamics ; mass spectrometry ; sea surface waters ; sediment ; soil ; China ; East China Sea ; Pacific Ocean ; Yangtze Estuary
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: 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 (∑39PCBs) 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 ∑39PCBs 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°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. © 2017 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/87463
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, China; State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing, China; Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China

Recommended Citation:
Liu A.,Wang Y.,Xian M.,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,2017-01-01,124(1)
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