摘要
文章应用综合污染指数法和主成分分析法对2003年宜宾市"九河"水质监测数据进行评价和综合分析。综合污染指数评价结果表明,粪大肠菌群、总氮、高锰酸盐指数、BOD_5和总磷为"九河"的主要污染因素,长宁河、箭板河、古宋河和南广河的污染程度较其他河流严重。通过主成分分析,分析了"九河"污染物的主要来源,并提出了相应的防治措施。
In this paper,the methods of comprehensive pollution index analysis and principal component analysis were applied to analyze the water quality data base of ＂nine river＂ in 2003. The results obtained with comprehensive pollution index analysis showed that Changling river, Jianban river, Gushong river and Nanguang river were more polluted than the others in nine rivers, and the main factors, which affect water quality in ＂nine rivers＂, were excrement coliform, total kjeldahl nitrogen, potassium permanganate index, 5-days biochemical oxygen demand and total phosphate. The main sources of pollutants were analyzed with principal component analysis, and the corresponding prevention and cure measurements were put forward.
出处
《广州环境科学》
2006年第1期38-41,共4页
Guangzhou Environmental Science
关键词
水质分析
主成分分析
综合污染指数
宜宾市
water quality analysis principal component analysis comprehensive pollution index Yibin city
