昆明南市区地下热水环境质量评价

Environment Quality Evaluation of Thermal Water in the South of Kunming

昆明市地热田的开发利用已有 2 0多年历史 ,部分地段长期过量开采诱发的环境地质问题日趋突出 .本文用TOPSIS法和综合指数法对昆明市南市区近 1 0年来地下热水水质演变过程及现状作分析评价 ,结果表明昆明市地下热水已遭受到不同程度的污染 。

The development and application have a history of more than 20 years in Kunming geothermal field, and the environmental problems in Geology gradually come out because of the excessive exploitation in some parts over a long period. Nearly ten years the quality evolution and the present condition of thermal water has been analyzed and evaluated in the south of Kunming via TOPSIS and the method of integrated index. The results show that the underground hot water in Kunming city has already suffered different degree of contamination and tends to be worse.