无人机航磁测量在荒漠戈壁地区的应用效果分析

doi:10.11720/wtyht.2022.1224

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Abstract

The UAV aeromagnetic survey technology has continuously developed and gradually applied to different geomorphic landscape areas. This study aims to verify the application effects of the UAV aeromagnetic survey technology in the desert and semidesert regions in China. To this end, the applicability tests of UAV types were performed according to the characteristics of the natural environment in the desert and semidesert regions. Then the applicability of multi-rotor UAVs and vertical take-off and landing fixed-wing UAVs in the desert and semidesert regions was assessed from the ability to resist wind, terrain-following ability, battery life, efficiency, and the quality of data acquisition. Through the qualitative and quantitative comparative analysis of the results obtained from UAV aeromagnetic surveys and ground magnetic surveys, the practicability and reliability of the UAV aeromagnetic survey technology in the desert and semidesert regions in West China was measured. It is considered that UAV aeromagnetic survey technology enjoys the advantages of high precision of data collection and high efficiency compared to the ground magnetic survey. Therefore, the UAV aeromagnetic survey technology is worthy of widespread application as a geophysical prospecting method and technique.

Key words： unmanned aerial vehicle(UAV) high precision aeromagnetic survey desert and semidesert region

Received: 22 April 2021 Published: 25 February 2022

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	Articles by authors
	Meng WANG
	Yuan-Yuan LIU
	Da-Yong WANG
	Gen-Wang DONG
	Liang TIAN
	Jin-Hui HUANG
	Man-Man LIN

Cite this article:

Meng WANG,Yuan-Yuan LIU,Da-Yong WANG, et al. Application effect analysis of UAV aeromagnetic survey technology in desert and semidesert regions[J]. Geophysical and Geochemical Exploration, 2022, 46(1): 206-213.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2022.1224 OR https://www.wutanyuhuatan.com/EN/Y2022/V46/I1/206

Location diagram of the test area

Applicability test results of UAV

Comparison of terrain following ability of different UAVs

Comparison of UAV aeromagnetic data acquisition effects

Schematic diagram of UAV aeromagnetic measurement system
a—CW-15 VTOL fixed wing aircraft produced by JOUAV;b—rubidium optical-pumping magnetometer probe; c—three-axis fluxgate magnetometer probe

Comparison of technical parameters of aeromagnetic and geomagnetic instruments

Macroscopic comparison of UAV aeromagnetic and geomagnetic
a—the ground magnetic image map overlays aeromagnetic contour map;b—upward continuation 120 m image map of ground magnetic survey overlays aeromagnetic contour map

Comparison of UAV aeromagnetic and geomagnetic ΔT profile curves

Ground magnetic upward continuation image map superimposed with aeromagnetic contour map

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