南水北调东线工程南四湖调蓄区地表水环境质量评价及环境地质问题浅析

South-to-North Water Transfers and Water Science & Technology(2008)

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Abstract
在分析南四湖及周边地质环境条件的基础上,进行水环境质量评价,湖泊水体多属Ⅳ~Ⅴ类水,地表水水环境质量总体评价为较差—极差。湖区存在采空塌陷、地面沉降等地质灾害及湖泊泥沙淤积严重、水资源开采过度、生物多样性减少、水域面积变化过大等环境地质问题,文章对上述问题成因及现状进行了分析,对今后南四湖地质环境保护与预防工作有一定的参考意义。
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Key words
problems of environment and geology,Nansi Lake storage area,assessment of the quality of water environment,geological disaster
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