Application of airborne transient electromagnetic method in the delineation of aquifer stratum in Balinzuoqi, Inner Mongolia

ZHANG Dishuo; YU Changchun; WU Chengping; QIAO Chungui

doi:10.12097/j.issn.1671-2552.2022.2-3.021

2022 Vol. 41, No. 2-3

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ZHANG Dishuo, YU Changchun, WU Chengping, QIAO Chungui. Application of airborne transient electromagnetic method in the delineation of aquifer stratum in Balinzuoqi, Inner Mongolia[J]. Geological Bulletin of China, 2022, 41(2-3): 436-445. doi: 10.12097/j.issn.1671-2552.2022.2-3.021

Citation:

ZHANG Dishuo, YU Changchun, WU Chengping, QIAO Chungui. Application of airborne transient electromagnetic method in the delineation of aquifer stratum in Balinzuoqi, Inner Mongolia[J]. Geological Bulletin of China, 2022, 41(2-3): 436-445. doi: 10.12097/j.issn.1671-2552.2022.2-3.021

Application of airborne transient electromagnetic method in the delineation of aquifer stratum in Balinzuoqi, Inner Mongolia

China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 10083, China

Received Date: 20 August 2020

Revised Date: 07 October 2020

Publish Date: 15 March 2022

Abstract

Abstract

Balinzuoqi is a typical water-deficient area in Chifeng, Inner Mongolia, where the scarcity of water resources restricts the development of regional agriculture and animal husbandry.Identifying aquifer stratum is of great significance to this area.In order to increase the storage of groundwater, the helicopter airborne transient electromagnetic method was used in May 2019 to explore groundwater resources in this area.In the work, the resistivity conversion of the airborne transient electromagnetic data, analysis of the dB/dT induced electromotive force and classification of the attenuation curve were performed to finally delineate the water-bearing geological body in the area, which resulted in the plane and spatial distribution characteristics of the water-bearing formation.It is inferred that the top surface of the underground aquifer in this area is mainly buried at the depth of 10 m to 30 m, the thickness of the aquifer ranges from 30 m to 80 m, and the total underground water reserve in the whole area is about 4.54×10⁶ tons.The airborne transient electromagnetic method has achieved agreeable results in water prospecting in this area and has great prospects in hydrogeological survey.
- groundwater /
- airborne transient electromagnetic method /
- resistivity /
- three-dimensional characteristics /
- Balinzuoqi of Chifeng /
- geological survey engineering

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