|Table of Contents|

Joint Detection of Bedrock Fissure Water Using High-density Electrical Method and Transient Electromagnetic Method in Chengde Area of Hebei, China(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2020年第06期
Page:
784-790
Research Field:
电磁法勘探专辑
Publishing date:

Info

Title:
Joint Detection of Bedrock Fissure Water Using High-density Electrical Method and Transient Electromagnetic Method in Chengde Area of Hebei, China
Author(s):
WANG Rui-feng1; 2;  WEN Lai-fu3; 4;  CHENG Jiu-long3*;  CHEN Zhi3;  JIAO Jun-jun3;  SHEN Guo-qiang2
1. School of Water Resources and Environment, China University of Geosciences, Beijing 100083, China; 2. The Fourth Geological Team of Hebei Bureau of Geology and Mineral Resources Exploration, Chengde 067000, Hebei, China; 3. School of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China; 4. School of Earth Science and Engineering, Hebei University of Engineering, Handan 056038, Hebei, China
Keywords:
high-density electrical method;  transient electromagnetic method;  bedrock mountain area;  topography;  joint detection;  fissure water;  drilling verification;  Hebei
PACS:
P631.3+2
DOI:
10.19814/j.jese.2020.06013
Abstract:
The single geophysical method has great limitations in the exploration of water resources, especially in the areas with water-deficient bedrock mountain. In order to solve the problem of high-density electrical method, such as the shallow depth and the great influence of topography, the high-density electrical method combined with transient electromagnetic method(TEM)was used to explore groundwater in bedrock mountain area, aiming to realize accurate exploration of groundwater resources in mountain area efficiently and economically. Based on discussing the principle of high-density electrical method and transient electromagnetic method, and the feasibility of joint detection, the premise and basis of joint exploration of water resources were introduced. Meanwhile, combined with the engineering example of groundwater exploration in bedrock mountain area in Chengde area of Hebei, the influence of topography on high-density electrical method was discussed, and the joint detection results of the two methods were analyzed. The bedrock fissure water-bearing area was finally determined by combining the corresponding areas of two low resistivity anomalies, and the effectiveness of integrated geophysical techniques on the exploration of water resources in bedrock mountain area was verified by drilling holes. It provides theoretical and practical basis for the exploration of bedrock fissure water in similar geological conditions in future.

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Last Update: 2020-12-20