Investigation on Metal Pollution in the Sediment of Chongqing Segment of Yangtse River

被引：0
|
作者：
Cai-hong Luo
Qing-mei Wu
Song Li
Hong Yang
Chen-hua Zhong
机构：
[1] Chongqing Environmental Monitoring Center,
[2] Chongqing Technology and Business University,undefined
来源：
Bulletin of Environmental Contamination and Toxicology | 2010年 / 85卷
关键词：
Yangtse river; Metals pollution; Logistic regression model; Index of geoaccumulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Basing on experiment dada collected from 1995 to 2007 at Chongqing segment of Yangtse River, the pollution and the potential toxic effect of sediment were depicted and characterized by using the Index of Geoaccumulation (Igeo) method and the Logistic Regression model respectively. Results showed that the sediment had been slightly polluted by metals and had possible adverse effect on aquatic life. According to the Igeo, the order of the analyzed metals, arranging from highest to lowest pollution degree, was Cd > Hg > Pb > Cu > Zn > As. Meanwhile, sediment contamination level had been obviously decreasing before the storing water of Three Gorge Reservoir.
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页码：291 / 294
页数：3
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