四川红层浅层风化带裂隙水水化学特征的聚类分析  

Cluster Analysis of the Hydrogeochemical Characteristics of Shallow Groundwater in Sichuan Redbed Area

作　　者：陈倩[1,2] 李长顺[1,2] 钟金先[2] 

机构地区：[1]地质灾害防治与地质环境保护国家重点实验室,成都610059 [2]四川省地质调查院,成都610081

出　　处：《安全与环境工程》2012年第2期43-47,共5页Safety and Environmental Engineering

基　　金：中国地质调查局示范项目(200310400027)

摘　　要：四川红层盆地浅层风化带裂隙水是区内分布最为广泛和目前开采最多的浅层地下水类型,本文通过对大量控制性水样分析结果进行聚类分析,探讨了该地区浅层风化带裂隙水的水化学成分特征及其分布规律,结果表明区内91%以上的浅层风化带裂隙水为HCO3-型淡水,主要分布在中部方山丘陵小区、南部台状低山丘陵小区和东部侵蚀构造平行岭谷低山丘陵小区。该研究可为开发利用浅层地下水提供地学依据。Shallow crevice groundwater in Sichuan redbed basin is the most widespread groundwater in this area,and it severs as the main water resource at present.Based on the cluster analysis of massive groundwater samples,this paper summarizes the hydrochemical characteristics of its ingredient and its distribution rule so as to provide geoscience foundation for its development.The research discovers that in the redbed area,over 91% shallow weathering zone crevice water is fresh water and mainly distributes in the hilly and low-hill areas of the middle,southern and eastern parts.

关 键 词：浅层风化带 裂隙水 聚类分析 水化学特征 四川红层 

分 类 号：X824[环境科学与工程—环境工程] P641.8[天文地球—地质矿产勘探]