模糊数学在太湖水质评价中的应用

Application of Fuzzy Mathematics to Evalation of Taihu Water Quality

以太湖为研究对象,根据太湖2004-2010年的水质监测资料,利用模糊数学方法,应用Matlab7.1软件对太湖7个监测点的年际、空间和水期分别进行了评价,并对其水质现状及主要污染物进行了研究与分析。主要结论包括：年际评价方面,太湖上海青浦急水港断面在2004-2010年期间,2010年水质最好,达到0.3009类;空间评价方面,太湖七个监测断面在2010年,上海青浦急水港水质最好,达到0.3466类;水期评价方面,太湖浙江嘉兴斜路港断面在2010年丰水期的水质最好,达到0.5688类。

Taking Taihu Lake as its research object and reviewing the lake＇s water quality monitoring data of 2004- 2010,this study applies fuzzy mathematical methods and Matlab7. 1 to evaluating of the records concerning the annual,space and period of water from seven monitoring points and analyzes the water quality status and major pollutants. The results show： during the inter-annual period from 2004 to 2010,the best water quality of the monitoring section of the seven monitoring points belongs to Qingpu Emergency Port of Shanghai in 2010,which reaches Class 0. 3009; from space dimension,the best water quality of the monitoring section of the seven monitoring points in 2010 also goes to Qingpu Emergency Port of Shanghai,which reaches Class 0. 3466; from water period dimension,the best water quality of the monitoring section of the seven monitoring points is Jiangxing Xielu Port of Zhejiang Province in 2010,its high flow period,which reaches Class 0. 5688.