Heavy Metal Contamination of Inlet Sediments of the Xiangjiang River
详细信息
- 责任者：Peng Bo (Faculty of Resource and Environmental Science ; Hunan Normal University ; Changsha 410081 ; China) ; Tang Xiaoyan
- 刊名：Acta Geologica Sinica
- 出版年：2011
- 卷期：85(2)
- 关键词：河流沉积物 ; stream sediments ; 重金属 ; heavy metals ; 铅同位素 ; lead isotopes ; 湘江 ; Xiangjiang River
- 页码：p.282-299
- 图表：7 illus., 4 tables, 51 refs.
- 分类号：1800
- issnNo：ISSN0001-5717
- isbnNo：CN11-1951/P
摘要
Xiangjiang River is one of the rivers that have been contaminated most seriously by heavy metals in China. The study conducted a systematic analysis of concentrations of trace metals and Pb isotopic composition of the sediments using ICP-MS and MC-ICP-MS techniques. The results show that the river sediments are significantly concentrated and enriched with heavy metals Bi, Sc, V, Mn, Ni, Cu, Zn, Pb, Cd, Sn and Sb. This metal enrichment may cause heavy metal contamination to the sediments. Evaluation by using the geo-accumulation index (Igeo) show that the river sediments were potentially contaminated by heavy metals Cd, Sb, Bi, Sn, Pb, Zn, U, Tl, Th, Mn and Cu, among which metal Cd arrives an extremely high degree of contamination, metals Sb, Bi, Sn and Pb strongly to moderately high degree of contamination, and metals Zn, U, Tl, Th, Mn and Cu moderately to slightly high degree of contamination.