基于改进TOPSIS法的湖泊水质评价  

Lake Water Quality Assessment Based on Improved TOPSIS Method

作　　者：黄发明 李友皝 刘达琳 郭建飞 陈佳武 王建伟 HUANG Fa-ming;LI You-huang;LIU Da-lin;GUO Jian-fei;CHEN Jia-wu;WANG Jian-wei(School of Civil Engineering and Architecture,Nanchang University,Nanchang 330031,China;Jiangxi Provincial Safety Production Science and Technology Research Center,Nanchang 330001,China)

机构地区：[1]南昌大学建筑工程学院,江西南昌330031 [2]江西省安全生产科学技术研究中心,江西南昌330001

出　　处：《水电能源科学》2020年第4期51-54,共4页Water Resources and Power

基　　金：国家自然科学基金青年基金项目(41807285);中国博士后面上基金项目(2019M652287)。

摘　　要：湖泊水质评价对水环境保护具有重要意义。将熵权法引入TOPSIS评价模型中,用信息熵计算各评价指标的权重来减少确定权重的主观性,进而建立基于熵权法的改进TOPSIS水质评价模型,并以洞庭湖岳阳楼监测断面2013~2016年水质评价为例,用改进TOPSIS模型评价水质。结果表明,洞庭湖总体水质良好,且水质变化呈良好趋势,但是洞庭湖水质仍存在污染,应采取相应环保措施,提升水质。Lake water quality assessment is of great significance to water environmental protection.In this study,the entropy weight method is introduced into the TOPSIS evaluation model.The weight of each evaluation index is calculated by information entropy to reduce the subjectivity of determining weights.An improved TOPSIS water quality evaluation model is established based on the entropy weight method.Taking Yueyanglou in Dongting Lake during 2013-2016 as an example,the water quality is evaluated by the improved TOPSIS model.The results show that the overall water quality of Dongting Lake is good,and the water quality changes show a good trend;However,the water quality of Dongting Lake is still polluted,and the corresponding environmental protection measures should be taken to improve water quality.

关 键 词：湖泊水质评价 TOPSIS模型 熵权法 洞庭湖 

分 类 号：TV11[水利工程—水文学及水资源] X824[环境科学与工程—环境工程]