基于模糊综合分析法的引调水工程水质响应关系分析

夏文文; 邓宇; 范帆; 刘承磊; 陈黎明

引用本文:	XIA Wenwen,DENG Yu,FAN Fan,LIU Chenglei,CHEN Liming.Analysis of Water Quality Response Relationship of Water Diversion Project Based on Fuzzy Comprehensive Analysis Method[J].Environmental Monitoring and Forewarning,2024,(2):80~86

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基于模糊综合分析法的引调水工程水质响应关系分析
夏文文^1,2，邓宇^1*，范帆¹，刘承磊³，陈黎明⁴
1. 江苏省环境监测中心，江苏南京 210019；2.江苏省太湖水质监测中心站，江苏南京 210019；3.南京尚清环境技术有限公司，江苏南京 210022；4.南京水利科学研究院，水文水资源及水利工程科学国家重点实验室，江苏南京 210029

摘要:

为提升引调水工程的环境改善效果，须对水体的自身连通水平、水质现状、水环境主要影响因子进行分析。以太湖流域跃进联圩为研究对象，利用图论连通度理论对研究区域静态基流连通性进行评价，探索圩内水系连通性的空间差异及变化特性。同时，开展短期引调水实验，结合模糊综合分析法评价引调水带来的圩内水质变化情况及规律，研究圩内水环境和水系连通性的响应关系。结果表明，模糊综合评价法在引调水环境改善分析中具有适用性，可实现对圩内各监测点位水质变化的全面分析；水体流动性是影响圩区内水质的重要环境因素，高锰酸盐指数是导致圩内水质恶化的主要影响因子。引调水工程对圩区水环境具有一定的持续改善性作用，但对基流连通性较差的区域，改善效果有限。

关键词: 平原河网引水试验图论连通度模糊综合分析法

DOI：DOI：10.3969/j.issn.1674-6732.2024.02.012

分类号:X824

基金项目:江苏省环境监测科研基金项目（2205）

Analysis of Water Quality Response Relationship of Water Diversion Project Based on Fuzzy Comprehensive Analysis Method

XIA Wenwen^1,2， DENG Yu^1*， FAN Fan¹， LIU Chenglei³， CHEN Liming⁴

1.Jiangsu Provincial Environmental Monitoring Center， Nanjing，Jiangsu 210019，China；2.Taihu Water Quality Monitoring Center Station， Nanjing, Jiangsu 210019，China；3.Nanjing Shangqing Environmental Technology Co.， Ltd.， Nanjing， Jiangsu 210022，China； 4.Hydrology and Water Resource Department， Nanjing Hydraulic Research Institute， Nanjing， Jiangsu 210029，China

Abstract:

To improve the environmental improvement effect of water diversion projects， it is necessary to analyze the self connection level， water quality status and main influencing factors of water environment. This study takes the Yuejin polders which located in Taihu basin as the research object， uses the graph theory connectivity theorem to evaluate the static base flow connectivity in the study area， furtherly explores the spatial differences and variation characteristics of the connectivity of water systems in the study area. Meanwhile， short term water diversion experiments were carried out， and the fuzzy comprehensive analysis method was used to evaluate the changes of water quality and the response relationship between the water environment and water system connectivity. The results show that the fuzzy comprehensive evaluation method has applicability in the analysis of water environment improvement， and could realize a comprehensive analysis of the water quality changes. Water fluidity is an important environmental factor affecting the water quality， and permanganate index is the main influencing factor that leads to the deterioration of water quality in the study area. The water diversion project has a certain continuous improvement effect on the water environment in the polder area， but the improvement effect is limited in the area with poor base flow connectivity.

Key words: Plain river network Water diversion test Graph theory connectivity Fuzzy comprehensive analysis method