| 薛胜利.激电测深在延安地区浅层地下水调查评价中的应用[J].地质与勘探,2019,55(6):1463-1472 |
| 激电测深在延安地区浅层地下水调查评价中的应用 |
| Application of the induced polarization sounding method to the survey of shallow groundwater in the Yan'an area |
| 投稿时间：2018-07-07 修订日期：2019-04-02 |
| DOI：10.12134/j.dzykt.2019.06.012 |
| 中文关键词: 激电测深 浅层地下水 延安地区 |
| 英文关键词: induced polarization sounding, shallow groundwater, Yan’an area |
| 基金项目:陕西省公益性地质专项基金项目（编号：20130202）资助。 |
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| 中文摘要: |
| 延安地区地处陕北黄土高原丘陵沟壑区，属于干旱半干旱区，水资源相当缺乏，因此地下水调查的工作对延安有着重要的意义。本次在延安市区及周边地区进行了地球物理勘查工作，目的是研究延安地区地下300米以浅的地层岩性结构，为区域间接寻找浅层地下水提供基础物探成果。通过专家论证和前期试验，勘查工作采用激电等比测深装置，在对地电结构进行划分时，注重结合水文地质资料对测深点曲线类型进行分析和总结，使激电测深成果在延安地区浅层地下水调查评价的应用中取得了良好的应用效果。 |
| 英文摘要: |
| The Yan'an area is situated in a loess hilly-gully region of northern Shanxi Province, featured by arid and semi arid climate, highly lacking water resources. So it is very important to search for groundwater in this district. This paper presents a geophysical survey in the Yan’an area and surroundings, with the purpose to clarify strata and lithology above depth 300 meters in the subsurface and to provide basic data for exploration of shallow groundwater. According to pilot tests and expert’s opinions, we employed the induced polarization sounding method in this survey. We analyzed the types of measurement curves in combination with hydrogeologic and drilling data, made division of electric structures in the shallow subsurface and give geologic interpretation, which would help search for productive aquifers in the study area. |
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