基于多元统计分析方法的浑河流域沈抚段水质时空特征  

Spatial and temporal specific features of the water quality of Shenyang-Fushun basin of Hunhe River through a multivuariate statistical analysis

作　　者：唐玉兰[1] 项莹雪 马甜甜 孙健[1] 陶家乐 傅金祥[1] TANG Yu-lan;XIANG Ying-xue;MA Tian-tian;SUN Jian;TAO Jia-le;FU Jin-xiang(School of Municipal and Environmental Engineering,Shenyang Jianzhu University,Shenyang 110168,China)

机构地区：[1]沈阳建筑大学市政与环境工程学院

出　　处：《安全与环境学报》2018年第5期2008-2012,共5页Journal of Safety and Environment

基　　金：国家重大科技专项课题(2014ZX07202-011)

摘　　要：水质是分析流域污染特征的重要依据之一。为了了解浑河流域沈抚段的污染情况,综合运用方差分析、聚类分析及多维尺度分析等多元统计分析方法,对浑河流域沈抚段包含干流、支流和排污口的16个断面,自2014年10月至2017年7月的水质数据进行了系统分析。采用箱式图分析了断面的污染特征,发现干流断面水质优于支流和排污口,干流水质较好,支流受污染最严重,水质全年为劣Ⅴ类。利用方差分析分析了断面的水期污染特征,发现大部分断面水质显现丰水期优于平水期及枯水期。根据聚类分析和多维尺度断面污染程度相似性的分析,16个断面污染情况分为4组,即仁镜河与旧站河、张官河与友爱河、排污口和干流断面。其污染严重程度由大到小依次为仁镜河组、排污口组、张官河组和干流组。The paper is dedicated to an analysis of the water quality changing situation and the characteristic water pollution features of the Shenyang-Fushun section of the Hunhe River Basin. For the said purpose, we have done a multidimensional scale analysis of the 16 sections of the said area, including the main streams, tributaries, and the sewage outlets on the basis of analyzing the changing water quality data for about 3 years between October, 2014 to July, 2017, via the socalled multivariate statistical analysis methods, such as the variance analysis, and the cluster analysis. It has been found that the water quality of the main stream has become obviously improved than that of the tributaries and the sewagedelivery outlets. However, as compared with the pollution situation of the tributaries, the water quality has become inferior or poor to the V-th class throughout the year. More particularly speaking, the COD of Jiuzhan and Renjing Rivers has been found beyond 80 mg/L for the specific months. At the same time, the rate of ammonia nitrogen has gone up beyond 20 mg,/L. What is more, except for the tributaries of Renjing, Youaihe River and the Gaoyang sewage outlet, which are suffering from serious con- taminants caused by humanistic pollution, thus, it has been found that all the other sections of the water quality indicate a better flood season than that of the flat and dry seasons. According to the cluster analysis and that of similarity of the multi-dimensional scale cross-section pollution situation, the 16 sections of the actu- al pollution status-in-situ can be divided into 4 categories, that is, those of Renjing River, Jiuzhan River, Zhangguan River and Youai River, with their sewage outlets and main stream sections. o Thus, the pollution seriousness degrees from the heaviest to the lightest can be illustrated as shown in a descending order： the Renjing River group 〉 the Zhangguan River group 〉 the sewage outlet group 〉 the main stream group; In addition, according to the specific features of the

关 键 词：环境工程学 水质 多元统计分析 时空变化 多维尺度分析 浑河流域沈抚段 

分 类 号：X131.2[环境科学与工程—环境科学]