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Heavy metal pollution status in surface sediments of the coastal Bohai Bay
Gao, Xuelu1; Chen, Chen-Tung Arthur2
2012-04-15
发表期刊WATER RESEARCH
ISSN0043-1354
卷号46期号:6页码:1901-1911
产权排序[Gao, Xuelu] CAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc, Yanitai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China; [Chen, Chen-Tung Arthur] Natl Sun Yat Sen Univ, Inst Marine Geol & Chem, Kaohsiung 804, Taiwan
摘要Bohai Bay, the second largest bay of Bohai Sea, largely due to the huge amount of pollutants discharged into it annually and its geohydrologic condition, is considered to be one of the most polluted marine areas in China. To slow down, halt and finally reverse the environmental deterioration of Bohai Sea, some researchers have proposed to connect it with Jiaozhou Bay in the western coast of Southern Yellow Sea by digging an interbasin canal through Shandong Peninsula. In order to assess the heavy metal pollution and provide background information for such a large geoengineering scheme, surface sediments from 42 stations covering both riverine and marine regions of the northwestern coast of Bohai Bay were analyzed for heavy metal content and fractionation (Cd, Cr, Cu, Ni, Pb and Zn). Three empirically derived sediment quality guidelines were used to assess the pollution extent of these metals. The studied metals had low mobility except for Cd at all stations and Zn at some riverine stations. Although a high mobility of Cd was observed, it could hardly cause a bad effect on the environment owing to its low total concentrations. Anthropogenic influence on the accumulation of studied heavy metals in sediments of Bohai Bay was obvious, but their contents were relatively lower to date comparing with some other marine coastal areas that receive important anthropogenic inputs. Taking as a whole, surface sediments of northwestern Bohai Bay had a 21% probability of toxicity based on the mean effects range-median quotient.; Bohai Bay, the second largest bay of Bohai Sea, largely due to the huge amount of pollutants discharged into it annually and its geohydrologic condition, is considered to be one of the most polluted marine areas in China. To slow down, halt and finally reverse the environmental deterioration of Bohai Sea, some researchers have proposed to connect it with Jiaozhou Bay in the western coast of Southern Yellow Sea by digging an interbasin canal through Shandong Peninsula. In order to assess the heavy metal pollution and provide background information for such a large geoengineering scheme, surface sediments from 42 stations covering both riverine and marine regions of the northwestern coast of Bohai Bay were analyzed for heavy metal content and fractionation (Cd, Cr, Cu, Ni, Pb and Zn). Three empirically derived sediment quality guidelines were used to assess the pollution extent of these metals. The studied metals had low mobility except for Cd at all stations and Zn at some riverine stations. Although a high mobility of Cd was observed, it could hardly cause a bad effect on the environment owing to its low total concentrations. Anthropogenic influence on the accumulation of studied heavy metals in sediments of Bohai Bay was obvious, but their contents were relatively lower to date comparing with some other marine coastal areas that receive important anthropogenic inputs. Taking as a whole, surface sediments of northwestern Bohai Bay had a 21% probability of toxicity based on the mean effects range-median quotient. (C) 2012 Published by Elsevier Ltd.
通讯作者Gao, XL (reprint author), CAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc, Yanitai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China. xlgao@yic.ac.cn
关键词Heavy Metal Chemical Fractionation Sediment Analysis Environmental Assessment Bohai Bay
作者部门污染过程与控制实验室 
学科领域Engineering ; Environmental Sciences & Ecology ; Water Resources
项目资助者Chinese Academy of Sciences[KZCX2-YW-Q07-03, KZCX2-YW-JC203, KZCX1-YW-06-02]; CAS/SAFEA
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收录类别SCI
关键词[WOS]SEQUENTIAL EXTRACTION PROCEDURE ; RIVER INTERTIDAL ZONE ; LONG-ISLAND SOUND ; TRACE-METALS ; CONTAMINATION ; CHINA ; ESTUARINE ; ELEMENTS ; ACCUMULATION ; ENRICHMENT
文章类型Article
语种英语
WOS研究方向Engineering ; Environmental Sciences & Ecology ; Water Resources
WOS记录号WOS:000301400500026
引用统计
被引频次:243[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/5608
专题污染过程与控制实验室
作者单位1.CAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Key Lab Coastal Zone Environm Proc, Yanitai Inst Coastal Zone Res YIC,YICCAS, Yantai 264003, Shandong, Peoples R China
2.Natl Sun Yat Sen Univ, Inst Marine Geol & Chem, Kaohsiung 804, Taiwan
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Gao, Xuelu,Chen, Chen-Tung Arthur. Heavy metal pollution status in surface sediments of the coastal Bohai Bay[J]. WATER RESEARCH,2012,46(6):1901-1911.
APA Gao, Xuelu,&Chen, Chen-Tung Arthur.(2012).Heavy metal pollution status in surface sediments of the coastal Bohai Bay.WATER RESEARCH,46(6),1901-1911.
MLA Gao, Xuelu,et al."Heavy metal pollution status in surface sediments of the coastal Bohai Bay".WATER RESEARCH 46.6(2012):1901-1911.
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