[1]魏良帅,郭蕾蕾,黄安邦,等.西南缺水区地下水水量、水质空间分异特征及成因分析——以乌蒙山片区金沙江干流绥江—屏山段为例[J].山地学报,2021,(5):658-671.[doi:10.16089/j.cnki.1008-2786.000628)]
　WEI Liangshuai,GUO Leilei,HUANG Anbang,et al.Spatial Differentiation of Groundwater Storage, Quality and Their Genesis in Water-Deficient Areas of Southwest China:A Case Study of the Suijiang-Pingshan Section of the Jinshajinag River in the Wumengshan Mountain Contiguous Zone, China[J].Mountain Research,2021,(5):658-671.[doi:10.16089/j.cnki.1008-2786.000628)]
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西南缺水区地下水水量、水质空间分异特征及成因分析——以乌蒙山片区金沙江干流绥江—屏山段为例()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2021年第5期
页码:
658-671
栏目:
山地环境
出版日期:
2021-09-25

文章信息/Info

Title:
Spatial Differentiation of Groundwater Storage, Quality and Their Genesis in Water-Deficient Areas of Southwest China:A Case Study of the Suijiang-Pingshan Section of the Jinshajinag River in the Wumengshan Mountain Contiguous Zone, China
文章编号:
1008-2786-(2021)5-658-14
作者:
魏良帅1; 郭蕾蕾2; 黄安邦1; 舒勤峰1
1.中国地质科学院探矿工艺研究所,成都 611734; 2.四川水利职业技术学院 资源环境工程系,成都 611231
Author(s):
WEI Liangshuai1;  GUO Leilei2;  HUANG Anbang1;  SHU Qinfeng1
1. Institute of Prospecting Technology, Chinese Academy of Geological Sciences, Chengdu 611734, China; 2. Department of Resources and Environmental Engineering, Sichuan Water Conservancy College, Chengdu 611231,China
关键词:
乌蒙山;  地下水分布;  水化学特征;  水质现状;  开发利用
Keywords:
The Wumeng Mountain;  groundwater distribution;  hydrochemical characteristic;  groundwater quality;  development and utilization
分类号:
P641.69
DOI:
10.16089/j.cnki.1008-2786.000628)
文献标志码:
A
摘要:
乌蒙山区地下水资源匮乏且时空分布不均,居民长久以来面临取用水难题。目前该区对于地下水富集规律及成因的研究较为成熟,但是没有与地下水水质评价结果及超标指标成因分析有效结合在一起,缺乏综合分析与实践检验。本研究以金沙江干流绥江—屏山段为研究区,基于地下水资源量统计分析、地下水质量评价结果,利用数理统计、Piper三线图、Gibbs图等分析区域地下水缺水类型、水化学演化规律及空间分布特征,并结合土样、岩样、水样各指标的相关性分析及土壤EF计算,分析区域地下水超标因子来源。研究表明:(1)碎屑岩区地下水分布分散、流量小、数量多,为资源型缺水区; 碳酸盐岩区地下水分布集中、流量大、数量小,为工程型缺水。(2)区内水—岩作用整体偏弱,以低矿化度的HCO3型地下水为主,占81.57%,分布于山地地区,接收大气降雨补给后就近排泄; HCO3·SO4型、SO4型地下水分别占17.69%、0.74%,分布于河谷两侧、金沙江两岸。(3)地下水各组分大多为I、II类水,NO3-源于农业、生活污水,为主要超标因子,其次为Al、Fe,因地层中背景值较高。(4)建议区域地下水开发利用方式为地表水直接引用、碎屑岩区分散引用、岩溶泉集中引水、民井抽提、钻孔探采。本研究为乌蒙山连片贫困缺水区服务群众饮水安全和地下水资源合理利用提供理论依据。
Abstract:
The Wumengshan Mountain Contiguous Zone, China suffers from deficiency of groundwater resources. The uneven spatial and temporal distribution of groundwater storage causes long faced problem of local water access. It is necessary to analyze the spatial characteristics of groundwater volume and hydrochemistry, to clarify genetic mechanism and evaluate groundwater quantity and quality in Wumengshan. In this study, the Suijiang-Pingshan segment of the Jinshang River situated in the Wumeng Mountain Area was selected as case study. The regional groundwater shortage type, hydrochemical evolution and spatial distribution characteristics were analyzed by integration of mathematical statistics, Piper and Gibbs diagrams. The source of excessive ions in groundwater was traced based on the indices' correlation of soil, rock and water samples and calculation of soil enrichment factors. The analytical results are summarized as follows:(1)Groundwater resource in the clastic-rock area was identified as resource-based water shortage areas with dispersive, low-flow and large-number features. Groundwater resource in the carbonate rock area was typical of engineering water shortage area with concentrated, high-flow and low-number characteristics.(2)The water-rock interaction was relatively weak in the study area. HCO3-type groundwater with low TDS accounted for 81.57% of total groundwater resource, which was distributed in mountain area. HCO3-type groundwater was recharge by precipitation and discharged nearby. HCO3·SO4 and SO4 type groundwater accounted for 17.69% and 0.74%, respectively, exposed in both side of Jinshajiang River.(3)The concentrations of groundwater indicated the I and II types. NO-3 was the main excessive ion and originated from agricultural and domestic sewage. Al and Fe were the secondary excessive ions, derived from high Al and Fe concentrations in the strata.(4)The exploitation of regional groundwater resource included direct drinking for surface water, disperse drinking for groundwater in clastic rock area, concentrating and extraction from wells and drilling holes. This study is expected to directly serve for safe drinking and rational utilization of groundwater resources in the Wumeng Mountain areas.

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备注/Memo

备注/Memo:
收稿日期(Received date):2021-03-06; 改回日期(Accepted data):2021-10-11
基金项目(Foundation item):中国地质调查局项目(DD20160287)。[China Geological Survey Project(DD20160287)]
作者简介(Biography):魏良帅(1979-),男,辽宁抚顺人,硕士,高级工程师,主要研究方向:环境工程地质与工程水文地质。[WEI Liangshuai(1979- ), male, born in Fushun, Liaoning province, master, senior engineer, research on environmental engineering geology and engineering hydrogeology] E-mail:53831087@qq.com
更新日期/Last Update: 2021-09-30