巢湖污染因子时空分布特征与水环境质量评价研究  

Study on the Spatiotemporal Distribution Characteristics of Pollutants and Evaluation of Water Environment Quality in Chaohu Lake

作　　者：何荣 汪浩[1,2] 俞志敏[1,3] 邓呈逊 宋金朝[1,2] HE Rong;WANG Hao;YU Zhi-min;DENG Cheng-xun;SONG Jin-zhao(Hefei University,Hefei 230601,China;Jinling Institute of Technology,Nanjing 211169,China;Anhui Province Biomass(Sino-German)International Joint Research Center,Hefei 230601,China)

机构地区：[1]合肥学院生物食品与环境学院,安徽合肥230601 [2]金陵科技学院商学院,江苏南京211169 [3]安徽省生物质(中德)国际联合研究中心,安徽合肥230601

出　　处：《金陵科技学院学报》2023年第1期81-87,共7页Journal of Jinling Institute of Technology

基　　金：安徽省高等学校自然科学研究重点项目(KJ2021A1011)。

摘　　要：为明确巢湖近年来的水质状况、污染因子分布特征和主要影响因素,根据2019—2021年巢湖6个主要断面口的水样数据,建立评价因子集、评价等级和评价因子权重集,运用模糊综合评价法进行分析。结果显示:巢湖主要污染因子时空分布具有季节性变化特征,夏季和冬季较多,春季和秋季较少,水质污染呈逐年减轻趋势,但仍需进一步治理。断面口中南淝河、十五里河、西湖心、兆河的最大权重值分别为0.198、0.232、0.213、0.252,水质评价等级均为Ⅱ类;东湖心最大权重值为0.322,水质为Ⅲ类;新河最大权重值为0.249,水质为Ⅳ类。结果可为巢湖水环境研究提供数据和方法参考。In order to clarify the water quality status,pollution distribution characteristics and main influencing factors of water quality in Chaohu Lake in recent years,this paper uses the fuzzy comprehensive evaluation method to analyze the water sample data from the six main cross-sectional mouth of Chaohu Lake from 2019 to 2021,and establishes an evaluation factor set,evaluation grade and evaluation factor weight set.The results show that the spatiotemporal distribution characteristics of the main pollution in Chaohu Lake Basin has obvious seasonal variation characteristics,which are more in summer and winter,and fewer in spring and autumn.The water pollution is decreasing year by year,but further treatment is still needed.The maximum weight values of Nanfei River,Shiwuli River,the center of west half lake and Zhao River at the cross-section mouth are 0.198,0.232,0.213 and 0.252,respectively,and the corresponding water quality evaluation grades are all ClassⅡ.The maximum weight value of the center of east half lake is 0.322 and the water quality is ClassⅢ.The maximum weight value of New River is 0.249 and the water quality is ClassⅣ.The results can provide data and methodological references for the study of the water environment in Chaohu Lake.

关 键 词：巢湖 水质 模糊综合评价法 污染因子 时空分布特征 

分 类 号：X524[环境科学与工程—环境工程]