利用因子分析确定岩溶地下河系统水质的影响因素

被引:31
作者
蒋勇军 [1 ,2 ]
吴月霞 [1 ]
Chris Groves [2 ]
袁道先 [1 ,3 ]
Pat Kambesis [4 ]
李林立 [1 ]
张贵 [5 ]
机构
[1] 西南大学地理科学学院
[2] Department of Geography and Geology,Western Kentucky University
[3] 中国地质科学院岩溶地质研究所/国土资源部岩溶动力学开放研究实验室
[4] Department of Geography and Geology,Western Kentucky
关键词
地下水水质; 地下河; 人类活动; 自然过程; 因子分析;
D O I
10.16030/j.cnki.issn.1000-3665.2009.04.009
中图分类号
P641.3 [水文地球化学];
学科分类号
摘要
根据云南南洞地下河系统2008年旱季的水化学分析结果,利用因子分析方法探讨地下水水质的影响因素及程度,结果表明:流域地下水成分变动范围较大,具有明显的空间变异性;地下水水质受人类活动、水岩作用过程和土壤等自然因素的共同影响,三个因素能够解释地下水水质形成的79%,其中人类活动是主要影响因素;地下水中的Cl-、NO3-、SO42-、Na+、K+主要受人类活动特别是农业和生活废水等因素的控制,Ca2+主要是水-岩作用的产物,但也受人类活动的影响,pH值、电导率受水岩作用过程和人类活动的影响,Mg2+、HCO3-受土壤CO2含量和水-岩作用过程的共同影响。
引用
收藏
页码:1 / 7
页数:7
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