论文摘要
In this study,the analytical data set of 26 groundwater samples from the alluvial aquifer of Boumerzoug-El khroub valley has been processed simultaneously with Multivariate analysis,geostatistical modeling,WQI,and geochemical modeling.Cluster analysis identified three main water types based on the major ion contents,where mineralization increased from group 1 to group 3.These groups were confirmed by FA/PCA,which demonstrated that groundwater quality is influenced by geochemical processes（water-rock interaction） and human practice（irrigation）.The exponential semivariogram model fitted best for all hydrochemical parameters values and WQI.Groundwater chemistry has a strong spatial structure for Mg,Na,Cl,and NO3,and a moderate spatial structure for EC,Ca,K,HCO3,and SO4.Water quality maps generated using ordinary Kriging are consistent with the HCA and PC A results.All water groups are supersaturated with respect to carbonate minerals,and dissolution of kaolinite and Ca-smectite is one of the processes responsible for hydrochemical evolution in the area.
论文目录
文章来源
类型: 期刊论文
作者: Oualid Bouteraa,Azeddine Mebarki,Foued Bouaicha,Zeineddine Nouaceur,Benoit Laignel
来源: Acta Geochimica 2019年06期
年度: 2019
分类: 基础科学,工程科技Ⅰ辑
专业: 环境科学与资源利用
单位: Laboratory of Geology and Environment (LGE),Universite Freres Mentouri Constantine 1,LASTERNE Laboratory,Universite Freres Mentouri Constantine 1,UMR IDEES CNRS 6226,Universite de Rouen,UMR CNRS M2C,Department of Geology,University of Rouen
分类号: X824
页码: 796-814
总页数: 19
文件大小: 2365K
下载量: 30
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