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物探与化探  2020, Vol. 44 Issue (6): 1294-1300    DOI: 10.11720/wtyht.2020.1575
  地质调查·资源勘查 本期目录 | 过刊浏览 | 高级检索 |
湘西北岩溶石山缺水地区直流电法找水实例
李望明, 易强, 刘声凯, 肖利权, 李俊
湖南省地质矿产勘查开发局 四一六队,湖南 株洲 412003
An example of DC method for water exploration in the karst mountain water shortage area of northwest Hunan
LI Wang-Ming, YI Qiang, LIU Sheng-Kai, XIAO Li-Quan, LI Jun
No. 416 Geological Party, Hunan Bureau of Geology and Mineral Exploration and Development, Zhuzhou 412003, China
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摘要 

湘西北岩溶石山缺水地区地形条件复杂,电磁干扰较强,在地下水勘查工作中,优先选用抗干扰能力较强的直流电法较为适宜。工程实践表明:在地势相对较缓且勘探深度相对较浅(0~150 m左右)时,采用小极距视电阻率联合剖面法+高密度电阻率法;在地形条件较差或勘探深度相对较深(0~400 m左右)时,采用小极距联合剖面法+三极激电测深法,并进行适当的反演与解释,既可提高工作效率又解决了实际问题,取得了较好的找水效果。

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李望明
易强
刘声凯
肖利权
李俊
关键词 直流电法找水岩溶地区强电磁干扰湘西北    
Abstract

In the water shortage area of karst mountain in northwest Hunan, the terrain condition is complex and the electromagnetic interference is strong. In the groundwater exploration, the DC method with strong anti-interference capability is preferred. The engineering practice shows that, when the terrain is relatively gentle and the exploration depth is relatively shallow (about 0~150 m), the small distance combined section method of apparent resistivity + high-density resistivity method is adopted, and when the terrain condition is poor or when the exploration depth is relatively deep (about 0~400 m), the small distance combined section method of apparent resistivity and three-pole IP sounding method are used, and proper inversion and interpretation are carried out, which not only improves the working efficiency but also solves the practical problems, and achieves better water finding effect.

Key wordsDC method    water exploration    karst area    strong electromagnetic interference    northwest Hunan
收稿日期: 2019-12-13      出版日期: 2020-12-29
ZTFLH:  P631  
作者简介: 李望明(1988-),男,2010年毕业于中南大学,工程师,主要从事水工环物探方法研究与应用工作。
引用本文:   
李望明, 易强, 刘声凯, 肖利权, 李俊. 湘西北岩溶石山缺水地区直流电法找水实例[J]. 物探与化探, 2020, 44(6): 1294-1300.
LI Wang-Ming, YI Qiang, LIU Sheng-Kai, XIAO Li-Quan, LI Jun. An example of DC method for water exploration in the karst mountain water shortage area of northwest Hunan. Geophysical and Geochemical Exploration, 2020, 44(6): 1294-1300.
链接本文:  
http://www.wutanyuhuatan.com/CN/10.11720/wtyht.2020.1575      或      http://www.wutanyuhuatan.com/CN/Y2020/V44/I6/1294
Fig.1  A村平面示意
Fig.2  A村4线联合剖面曲线(a)、高密度视电阻率拟断面(b)、高密度电阻率反演断面(c)
Fig.3  B村平面示意
Fig.4  B村6线联合剖面曲线
Fig.5  B村6线三极激电测深拟断面与反演断面
Fig.6  B村6线地质推断结果
Fig.7  C村平面示意
Fig.8  C村3线联合剖面曲线
Fig.9  3线三极激电测深视电阻率与视极化率拟断面、反演断面及推断地质剖面
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