Heavy Metals Distribution in Sediments and Potential Ecological Risk Assessment of Xiangxi River

被引：0
|
作者：
Ling, Jing [1 ]
Peng, Shaohua [1 ]
Liu, Defu [1 ]
Li, Ruiping [1 ]
机构：
[1] China Three Gorges Univ, Minist Educ, Engn Res Ctr Ecoenvironm Three Gorges Reservoir R, Yichang 443002, Peoples R China
来源：
CONFERENCE ON ENVIRONMENTAL POLLUTION AND PUBLIC HEALTH, VOL 1-2 | 2010年
关键词：
assessment of ecological risk; sediments; Xiangxi River; heavy metals; POLLUTION;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The contents of heavy metals (Cu, Pb, Zn, Cr, Ni, As) in surface sediments from Xiangxi River in Three Gorges Reservoir Region were determined using X-ray fluorescence spectrometer, and the ecological risk of heavy metals was further evaluated based on the method of potential ecological risk index (RI). The results showed that most of the heavy metals had similar distribution levels, and the high values located in the middle-downstream of Xiangxi River. The results of potential ecological risk assessment indicated that Xiangxi river was slightly polluted by the investigated heavy metals on average, but the sampling points of XX00 and XX02 had higher potential ecological risks than others owing to their higher RIs.
引用
收藏
页码：636 / 640
页数：5
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