Source identification and risk assessment based on fractionation of heavy metals in surface sediments of Jiaozhou Bay, China

被引：78
|
作者：
Liang, Xianmeng [1 ,2 ]
Song, Jinming [1 ,2 ,3 ]
Duan, Liqin [1 ,2 ,3 ]
Yuan, Huamao [1 ,2 ,3 ]
Li, Xuegang [1 ,2 ,3 ]
Li, Ning [1 ,2 ,3 ]
Qu, Baoxiao [1 ,3 ]
Wang, Qidong [1 ,3 ]
Xing, Jianwei [1 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2018年 / 128卷
基金：
中国国家自然科学基金;
关键词：
Anthropogenic activity; Ecological risk; Heavy metal; Sediment; Jiaozhou Bay; POTENTIAL ECOLOGICAL RISK; URBAN RIVER SEDIMENTS; TRACE-METALS; INTERTIDAL SEDIMENTS; CHANGJIANG ESTUARY; POLLUTION STATUS; COAL COMBUSTION; BOHAI BAY; CONTAMINATION; SOILS;
D O I：
10.1016/j.marpolbul.2018.02.008
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
To identify sources and evaluate ecological risks of heavy metals in sediments of Jiaozhou Bay, contents and chemical fractions of Cd, Cr, Cu, Pb, Zn, Ni, Sb and Sn were studied. Results suggested that higher metal contents appeared at inner bay and near marine dumping area. Labile fractions of heavy metals accounted for 0.5-77% (similar to 36%) of total contents indicating their significant anthropogenic sources. The enrichment levels of Cd and Sb were relatively higher. Cu, Ni, Cd and Zn were at low to medium risks. Cr, Pb, Sn and Sb were at no or low risks. Total contents of heavy metals were mainly controlled by natural sources, while anthropogenic inputs were important sources of labile fractions of heavy metals in sediments of Jiaozhou Bay with industrial and domestic activities as main contributors for Cu, Pb, Zn, Cr, Ni and Sn, and agricultural activities for Cd and regional coal combustion for Sb.
引用
收藏
页码：548 / 556
页数：9
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