摘要
本文测定了云龙湖底泥中铅(Pb)、锌(Zn)、铜(Cu)、锰(Mn)4种重金属元素含量。运用了累积指数法和潜在生态风险指数法对其污染程度和潜在生态风险进行评价:4种重金属中Cu为中度污染,Pb为轻度污染,其余2种均未构成污染。云龙湖底泥中重金属污染的潜在生态风险表现为轻微的程度,生态风险顺序是Mn>Cu>Pb>Zn。
The sediments of Yunlong Lake were sampled and analyzed for the contents of 4 kinds of heavy metals （ Pb, Zn, Cu, Mn） and evaluated by the Index of Geoaccumulation and the index of the Potential Ecological Rick. The results showed that the Pollution by Cu was 1 - 2 degree, and the Pollution by Pb was 0-1 degree while that of the other two were free of pollution. Generally, Yunlong Lake was exposed to a light potential ecological risk, the degree ranked as follows ： Mn 〉 Cu 〉 Pb 〉 Zn.
出处
《四川环境》
2013年第3期34-37,共4页
Sichuan Environment
基金
院级教改课题--以水质分析技术课程为主体进行开放式项目化教学改革研究与实践(XGY201126)
江苏省高等学校大学生实践创新训练计划项目的阶段性研究成果(dxssjcx2011-12)
关键词
云龙湖
底泥
重金属污染
地累积指数法
潜在生态风险
Yunlong Lake
sediment
heavy metal pollution
index of geoaccumulation
potential ecological risk
