陕西永寿县基岩裂隙含水层控水因素分析及富水性分区

宋亚娅; 张培栋; 李惠; 李辰; 冯靖康

doi:10.19388/j.zgdzdc.2023.04.12

陕西永寿县基岩裂隙含水层控水因素分析及富水性分区

陕西省水工环地质调查中心,陕西西安 710068

基金项目: 陕西省水工环地质调查中心陕西省公益性地质调查项目“咸阳北部五县(市)综合地质调查(编号: 201913)”“基于资源环境承载力评价的三区三线划定研究(编号: 201914)”与“陕西省渭北岩溶水资源环境调查评价(编号: 202108)”项目联合资助

详细信息

作者简介:
宋亚娅(1986—),女,高级工程师,主要从事水文学及水资源方面的研究工作。Email: syy409@163.com。

中图分类号: P641
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出版历程
- 收稿日期: 2022-04-14
- 修回日期: 2023-06-14
- 刊出日期: 2023-08-19

Analysis of water-controlling factors and water-rich zoning of fractured bedrock aquifers in Yongshou County of Shaanxi Province

Shaanxi Center of Hydrogeological, Engineering and Environment Geological survey, Shaanxi Xi’an 710068,China

摘要

摘要: 为系统探讨陕西永寿县基岩裂隙含水层的富水规律,综合传统水文地质调查方法和统计学理论,基于96眼钻孔资料,分析了陕西永寿县基岩裂隙含水层的控水因素,并进行了富水性分区。研究发现: 基岩裂隙含水层厚度空间差异性明显,砂岩裂隙含水层较灰岩裂隙含水层厚度空间差异性大; 基岩裂隙含水层富水性主要受控于岩性、地质构造、基岩地形、补给排泄条件4种因素,贮水类型主要为风化裂隙水、构造裂隙水及成岩裂隙水; 富水区为渭北东北隆起地带老龙山断裂以南奥陶系灰岩岩溶水富水区、仪井地堑羊毛湾水库附近奥陶系灰岩岩溶水富水区、常宁镇北顺什村附近黄土台塬塬心地带富水区,稳定出水量均在 1 000 m³/d 以上。研究成果可为后备水源地建设提供科学决策依据,也可为同类地区富水性研究提供借鉴。
- 砂岩裂隙水 /
- 灰岩裂隙水 /
- 富水规律 /
- 控水因素 /
- 永寿县
Abstract: In order to systematically investigate the water-rich law of fractured bedrock aquifers in Yongshou County of Shaanxi Province, the authors in this paper combined the traditional hydrogeological survey method and statistical theory, and analyzed the water-controlling factors of fractured bedrock aquifers and water-rich zoning based on the data of 96 boreholes. The results show that the thickness of fractured bedrock aquifers has obvious spatial difference, and the thickness of sandstone fissure aquifers has greater spatial difference than that of the limestone fissure aquifers. The water-rich characteristics of bedrock fissure aquifers is mainly controlled by lithology, structure, bedrock topography and recharge and discharge, and the water storage types are mainly weathered fissure water, tectonic fissure water and diagenetic fissure water. The water-rich target areas are delineated and classified as follows: the water-rich areas of Ordovician limestone karst water in south of Laolongshan fault in the northeastern uplift of Weibei area, the water-rich areas of carbonate karst fissure near Mawoowan reservoir of Yijing fault depression zone, and water-rich areas of clastic rock fissure water near Beishunshi village of Changning Town in the heart of the loess plateau, with stable water yield above 1 000 m³/d. The research results could provide scientific decision-making basis for the construction of backup water source areas and scientific reference for the study of water abundance in similar areas.
- sandstone fissure water /
- limestone fissure water /
- water-rich rule /
- water control factors /
- Yongshou County

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