长春南湖沉积物重金属污染特征研究

被引:10
作者
孙晓成
冯吉平
彭俊
张蕾
机构
[1] 松辽流域水资源保护局
关键词
重金属; 污染特征; 长春南湖;
D O I
10.14124/j.cnki.dbslsd22-1097.2005.11.029
中图分类号
X524 [湖泊、水库];
学科分类号
0815 ;
摘要
本文对南湖沉积物中重金属形态的分布特征进行了研究。结果表明,南湖沉积物中Cu、Pb、Zn和Ni的有效态含量都很大,对水体环境存在潜在的污染,而且沉积物中各金属赋存形态也不相同,Pb主要存在于铁锰氧化物态,有机物态和残渣态中,Cu主要赋存于有机物结合态中,Zn、Ni以铁锰氧化物态为主。通过地累积指数分析,南湖沉积物中局部地区受到Zn、Ni的轻微污染。
引用
收藏
页码:66 / 68
页数:3
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