Metal distribution and bioavailability in surface sediments from the Huaihe River, Anhui, China
Wang, Jie1,2; Liu, Guijian1,2; Lu, Ianlan1; Liu, Houqi1
2016
发表期刊ENVIRONMENTAL MONITORING AND ASSESSMENT
卷号188期号:1
文章类型Article
摘要This study presents the total concentrations and chemical fractionations of metals (Cu, Pb, Zn, Ni, Fe, and Mn) in 54 surface sediment samples collected from the Huaihe River (Anhui Province) in eastern China. Compared with the average shale values, Zn and Pb exhibited the most substantial anthropogenic enrichment, especially in Fengtai and Huainan areas, the main industrial districts along the Huaihe River (Anhui Province). Low levels of Cu and Ni were observed in the sediments. Based on risk assessment code (RAC), the metals associated with weak acid soluble (F1) in the Huaihe River sediments followed the order: Mn > Zn > Cu > Pb > Ni > Fe. Manganese presented the most potential for releasing into the aqueous environment and can easily enter the food chain. Copper, zinc, nickel, and iron were found dominant in the residual fraction, implying that these four metals were strongly bound to the sediments. Lead showed a different partitioning pattern from that of other metals studied, with a large percentage in Fe-Mn oxide fraction, indicating that slight redox potential changes may make significant influence on the removability of Pb. Moreover, Cu in oxidizable (F3) and residual (F4) fractions presented high positive correlation with organic matter, which can explain the high percentage of Cu in these two fractions.
关键词Tracemetal Speciation Sediment Rac Correlation Analysis Huaihe River
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s10661-015-5005-5
关键词[WOS]SEQUENTIAL EXTRACTION PROCEDURE ; HEAVY-METALS ; MARINE-SEDIMENTS ; MANGANESE OXIDE ; BED SEDIMENTS ; TRACE-METALS ; SOUTH CHINA ; SPECIATION ; ZN ; ESTUARY
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000367880700003
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5860
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
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Wang, Jie,Liu, Guijian,Lu, Ianlan,et al. Metal distribution and bioavailability in surface sediments from the Huaihe River, Anhui, China[J]. ENVIRONMENTAL MONITORING AND ASSESSMENT,2016,188(1).
APA Wang, Jie,Liu, Guijian,Lu, Ianlan,&Liu, Houqi.(2016).Metal distribution and bioavailability in surface sediments from the Huaihe River, Anhui, China.ENVIRONMENTAL MONITORING AND ASSESSMENT,188(1).
MLA Wang, Jie,et al."Metal distribution and bioavailability in surface sediments from the Huaihe River, Anhui, China".ENVIRONMENTAL MONITORING AND ASSESSMENT 188.1(2016).
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