【摘要】 为探讨山东省潍坊市昌邑水源地地下水质量,以大量潍坊市机井、民井、地表水枯水期和丰水期水质数据为评价对象,应用因子分析确定TDS、SO₄^2-、Cl^-为具有代表性地下水环境的水质评价指标,建立水质评价指标体系,采用方差分析对各水质评价指标进行权重分析,结合距离判别分析,对研究区的地下水质进行综合评价。结果表明,20组训练样本的评价结果与实际情况相符。依据提出的距离判别分析模型,对研究区8个未知的测试样本进行训练预测,识别流域丰、枯水期水质,实现对地下水的合理开发利用。更多还原

【Abstract】 In order to analyze the quality of groundwater in Changyi water source area,the water quality data of a large number of mechanical wells,civilian wells,and surface water in Weifang during wet season and dry season are taken as evaluation object. The TDS,SO₄^2- and Cl^- are firstly determined by factor analysis as the representative water quality evaluation indexes to establish water quality evaluation index system,then the variance analysis is used to analyze the weight of each water quality evaluation index,and finally the groundwater quality in study area is comprehensively evaluated by distance discriminant analysis. The evaluation results of 20 training samples are consistent with actual situation. According to the proposed distance discriminant analysis model,eight unknown test samples of study area are trained and predicted,and the water quality in wet and dry seasons of basin is identified respectively to realize the rational development and utilization of groundwater.更多还原