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Contamination of heavy metals and isotopic tracing of Pb in intertidal surface sediments of Jinjiang River Estuary, SE China
Ruilian Yu;  Gongren Hu;  Chengqi Lin;  Qiuli Yang;  Chenchen Zhang;  Xiaoming Wang
2017
Source PublicationApplied Geochemistry
Volume83Pages:41-49
Abstract

Contamination of 14 heavy metals and isotopic tracing of Pb were studied in the intertidal surface sediments of Jinjiang River Estuary, southeast China. Concentrations of the heavy metals in the sediments decrease as Fe > Ti > Mn > Zn > Cu > Cr > Pb > V > Ni > Sn > Co > Sb > Cd > Hg. Except Fe, Ti and V, the other elements show higher concentrations than their background values at most sampling sites. The assessment results of geo-accumulation index and potential ecological risk index indicate that the intertidal surface sediments are polluted by some heavy metals (Cd, Hg, Cu, Mn, Zn, Sb, Sn, Pb, Cr, Ni and Co) and show very high ecological risk with the main contributors of Cd and Hg. Results of multivariate statistic analysis suggest that Fe, V, Ti and Cr are mainly influenced by natural sources; Cu, Ni, Sn and Mn are mainly influenced by mining industries and the combustion of fossil fuel; Pb and Hg are mainly influenced by coal combustion and Pb-Zn ore; Zn, Cd, Co and Sb are mainly influenced by agricultural activities. The results of Pb isotope tracing show that total Pb in the sediments is mainly from parent material (44.0%-50.0%), Pb-Zn ore (35.8%-41.7%) and vehicle exhaust (7.8%-18.2%). 

KeywordHeavy Metals pollution Assessment pb Isotopes surface Sediment jinjiang River Estuary
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/8086
Collection环境地球化学国家重点实验室
Affiliation1.College of Chemical Engineering and Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen 361021, China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
3.Analytical Laboratory of Beijing Research Institute of Uranium Geology, Beijing 100029, China
Recommended Citation
GB/T 7714
Ruilian Yu;Gongren Hu;Chengqi Lin;Qiuli Yang;Chenchen Zhang;Xiaoming Wang. Contamination of heavy metals and isotopic tracing of Pb in intertidal surface sediments of Jinjiang River Estuary, SE China[J]. Applied Geochemistry,2017,83:41-49.
APA Ruilian Yu;Gongren Hu;Chengqi Lin;Qiuli Yang;Chenchen Zhang;Xiaoming Wang.(2017).Contamination of heavy metals and isotopic tracing of Pb in intertidal surface sediments of Jinjiang River Estuary, SE China.Applied Geochemistry,83,41-49.
MLA Ruilian Yu;Gongren Hu;Chengqi Lin;Qiuli Yang;Chenchen Zhang;Xiaoming Wang."Contamination of heavy metals and isotopic tracing of Pb in intertidal surface sediments of Jinjiang River Estuary, SE China".Applied Geochemistry 83(2017):41-49.
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