| 淮北平原地下水水质空间分布特征分析 |
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| 引用本文： | 刘进,许光泉,梁修雨. 淮北平原地下水水质空间分布特征分析[J]. 地下水, 2009, 31(6): 18-21,62 |
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| 作者姓名： | 刘进 许光泉 梁修雨 |
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| 作者单位： | 安徽理工大学地球与环境学院,安徽,淮南,232001 |
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| 摘 要： | 以淮北平原75个潜水水样为例，通过聚类分析和判别分析探讨地下水水质空间分布特征的差异性。通过聚类分析划分为A、B、C三类即轻度污染，中度污染和重度污染。A类主要分布在涡阳县、蒙城县、泗县和五河县，B类主要分布在亳州市、宿州市、灵璧县和淮北市，C类主要分布在宿州市东部、淮北市南部。通过逐步判别分析仅需6个指标（EC、氨氮、NO2^-～N、F、余氯和Mn）就可以反应整体水质的空间差异性，具有92．7％的正确率，达到指标降维和正确判别的目的。
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| 关 键 词： | 淮北平原 聚类分析 判别分析 空间分布特征 |
Analysis on Spatial Distribution Characteristics of Groundwater Quality in Huaibei Plain |
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| LIU Jin,XU Guang-quan,LIANG xiu-yu. Analysis on Spatial Distribution Characteristics of Groundwater Quality in Huaibei Plain[J]. Groundwater, 2009, 31(6): 18-21,62 |
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| Authors: | LIU Jin XU Guang-quan LIANG xiu-yu |
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| Affiliation: | LIU Jin,XU Guang-quan,LIANG xiu-yu(Earth and Environment School,Anhui University of Science Huainan 232001,Anhui) |
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| Abstract: | Taking 75 phreatic groundwater samples of Huaibei Plain as the studying objections,by cluster analysis and discriminant analysis,the paper discusses the spatial similarities and differences among sampling sites.The results of cluster analysis show that the samples are classified into 3 levels: slight pollution,moderate pollution and heavy pollution.A presentes slight pollution distributed in Guoyang and Suixi.B is distributed in Mengcheng,Wuhe,Guzhen and Yongqiao.C is distributed in Xiaoxian and Dangshan.In... |
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| Keywords: | Huaibei Plain Cluster analysis Discriminant analysis and Spatial distribution characteristics |
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