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| An application test of UAV aeromagnetic survey in geologicalsurvey of the tidal flat area |
XI Yong-Zai1,2,3( ), WU Shan1,2,3, LIAO Gui-Xiang1,2,3, LIU Jun-Jie1,2,3, LU Ning1,2,3, LI Yong-Bo1,2,3 |
1. Institute of Geophysical and Geochemical Exploration, CAGS, Ministry of Natural Resources, Langfang 065000, China
2. Laboratory of Geophysical Electromagnetic Probing Technologies, Langfang 065000, China
3. Laboratory of Geophysical EM Probing Technologies, MLR, Langfang 065000, China |
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Abstract Through the improvement of CH-3 UAV aeromagnetic survey system of measurement and control software and hardware, differential GPS positioning data synchronization, system adaptability modification, and horizontal transverse gradient measurement, the authors carried out 1∶25 000 large scale aeromagnetic survey test in Rudong coastal tidal flats area in Jiangsu Province, and verified the high precision measurement and control so as to improve the system stability and other key performance. Good application results were achieved in concealed rock mass, and fault structure and magnetic interface distribution were inferred, which shows that the method has broad application prospects in providing effective basic geological and engineering geological information for the development and utilization of the beach area.
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Received: 16 June 2020
Published: 29 April 2021
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The CH-3 UAV aeromagnetic system
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Interface diagram of maritime satellite communication measurement and control system
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Structure and magmatic rock distribution map of coastal tidal flats in Jiangsu province
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Aeromagnetic map of coastal tidal flats of Jiangsu Province
a—aeromagnetic section diagram on the left;b—overall modulus diagram of aeromagnetic pole level on the right
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Inferred structural map of magnetic basement depth in beach area along Jiangsu coast
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