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Global Geology 2020, 23(3) 173-179 DOI: 10.3969/j.issn.1673-9736.2020.03.05 ISSN: 1673-9736 CN: 22-1371/P

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	high-density resistivity method
	electrical structure
	water well
	electrical gradient zone
	本文作者相关文章
	SHEN Xintu
	LIU Lijia
	LI Peng
	PubMed
	Article by Shen X
	Article by Liu L
	Article by Li P

Determining water well sites based on electrical structure in Taobei District of Baicheng

SHEN Xintu, LIU Lijia, LI Peng

College of Geo-Exploration Science and Technology, Jilin University, Changchun 130026, China

摘要： Drilling a well randomly would lead to high uncertainties and could not meet the demand of water supply from the increasing population. It is in dire need to improve success rate of well drilling. The high-density resistivity method offers us a good choice. In this study, high-density resistivity method is used for groundwater survey in five villages in the Taobei District of Baicheng. The data obtained by high-density resistivity method is inverted through Res2dinv software. It is found that the electrical structure is characterized by a horizontal layer distribution, and the resistivity shows a "high-medium low-low" feature from shallow to deep. Moreover, obvious electrical gradient zones are identified in the strata below each section, which are interpreted as tectonic weak zones, i.e., the faults. The low-resistance anomaly areas are inferred to be favorable aquifers. The results show that high-density resistivity exploration is an efficient and practical method for determining water well sites in rural areas and can provide a guide for finding water resources in the area.

关键词： high-density resistivity method electrical structure water well electrical gradient zone

Determining water well sites based on electrical structure in Taobei District of Baicheng

SHEN Xintu, LIU Lijia, LI Peng

College of Geo-Exploration Science and Technology, Jilin University, Changchun 130026, China

Abstract: Drilling a well randomly would lead to high uncertainties and could not meet the demand of water supply from the increasing population. It is in dire need to improve success rate of well drilling. The high-density resistivity method offers us a good choice. In this study, high-density resistivity method is used for groundwater survey in five villages in the Taobei District of Baicheng. The data obtained by high-density resistivity method is inverted through Res2dinv software. It is found that the electrical structure is characterized by a horizontal layer distribution, and the resistivity shows a "high-medium low-low" feature from shallow to deep. Moreover, obvious electrical gradient zones are identified in the strata below each section, which are interpreted as tectonic weak zones, i.e., the faults. The low-resistance anomaly areas are inferred to be favorable aquifers. The results show that high-density resistivity exploration is an efficient and practical method for determining water well sites in rural areas and can provide a guide for finding water resources in the area.

Keywords: high-density resistivity method electrical structure water well electrical gradient zone

收稿日期 2020-02-01 修回日期 2020-03-05 网络版发布日期

DOI: 10.3969/j.issn.1673-9736.2020.03.05

基金项目:

Supported by Project of the National Natural Science Foundation (No. 41874125).

通讯作者: LIU Lijia

作者简介:

作者Email: liulijia@jlu.edu.cn

参考文献：

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