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我国湖泊沉积物中重金属污染现状分析
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摘要
本文重点介绍了国内天然湖泊及人工湖泊沉积物重金属污染现状,综述了重金属污染常用的评价方法,并分析了各自的优缺点。根据国内湖泊沉积物重金属污染的现状,结合经济发展和生存环境的要求,展望了湖泊沉积物重金属污染的研究方向。并得到了以下结论:(1)景观湖泊除外,国内的天然湖泊和人工湖泊都存在不同程度的沉积物重金属污染,且污染状况较为严重;(2)我国湖泊众多,但对于沉积物重金属污染的研究起步较晚,目前研究范围较小,数据的积累不足;(3)对于湖泊沉积物重金属污染的治理方法国内外还存在较大争议,关于防治措施需进一步加强。
This paper mainly introduces the current situation of heavy metal pollution in natural lakes and artificial lake sediments in China, expounds the evaluation methods of the heavy metal pollution and analyzes their advantages and disadvantages. The research direction of heavy metal pollution in lacustrine sediments was discussed on the basis of the requirement of economic development and living environment in China. The following conclusions are obtained.(1) Except the landscape lacustrine, the heavy metal pollution in natural lakes and artificial lake in China appears different levels and the pollution is serious in some lakes.(2) There is a large number of lakes in China, however, the research of heavy metal pollution in the sediment of lakes started late. The investigation area is insufficient and the accumulation of data is limited.(3) There are still some controversies on the treatment methods of heavy metals in lacustrine sediments. The prevention and control measures of heavy metal pollution should be further strengthened.
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