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| 基金项目：贵州省地质勘查基金项目（黔自然资函〔2021〕244号）子项目“贵州省水文地质志修编”（MCHC-ZG20212206-1） |
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| 摘要： |
| 汪家大井水源地是贵阳地区岩溶地下水集中供水水源地，以往开展过不同程度的基础地质、水工环地质等工作，对区内整体水文地质条件有一定的认识，但对岩溶地下水系统特征的研究尚显不足。通过对该水源地进行水文地质核查，结合以往水文地质调查、钻探、物探、抽水试验、连通试验、水质监测等资料，分析研究区地下水系统的边界条件、主要含水层、地下水补径排条件、埋藏条件、地下水动态、水化学等特征。结果表明，汪家大井地下水系统在垂向上具有2层结构，可分为上层地下水系统及下层地下水系统，2个地下水子系统相对独立，水力联系弱。 |
| 关键词：地下水系统 补径排 岩溶 贵阳汪家大井 |
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| Abstract: |
| Wangjia Dajing water source is a centralized source of karst groundwater supply in Guiyang City. The investigation of its basic geology,engineering geology and hydroenvironmental geology has been carried out in different degrees in this area, and the overall hydrogeological conditions in this area have been revealed to a certain extent, but the characteristics of karst groundwater system in this water source are still insufficient. The boundary conditions, main aquifers, groundwater drainage conditions, burial conditions, groundwater dynamics, water chemistry and other characteristics of the system are analyzed from the perspective of groundwater system based on the hydrogeological verification of the water source, and the previous data such as hydrogeological survey, drilling, physical exploration, pumping test, connectivity test, water quality monitoring. The results show that the groundwater system of Wangjia Dajing has a two layer structure in the vertical direction, which can be divided into the upper groundwater system and the lower groundwater system, and the two groundwater subsystems are relatively independent and have weak hydraulic connection. |
| Keywords:groundwater system recharge, runoff, drainage karst Wangjia Dajing in Guiyang |
| 罗林，郑明英，王万金.贵阳汪家大井水源地岩溶地下水系统特征[J].地质学刊,2024,48(2):187-193 |
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