【摘要】 为研究四川省重点河段水环境的安全性,利用综合评价指数法和模糊综合评价决策的数学模型对主要水系干流和支流河段的水质安全性做出了评价。结果显示,岷江流域的水质安全性较差,主要的污染物为重金属汞和铁,沱江和涪江流域的水质安全性较好。更多还原

【Abstract】 To study the hydro-environment safety for the important river stretch in Sichuan province,the syntheical assessment of cxponent and the synthetical assessment of fuzzing mathematical modle are used to assess the hydro-environment safety for the important rivers.It can be concluded from the evaluation numbers that the safety of Ming river is difference,iron and hydrargyrum are the main pollutants;the safety of Tuo river and Fu river are better.更多还原