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The Guangxi geological disaster airborne geophysical exploration project has completed its field acceptance.
Recently, the project “Comprehensive Investigation and Evaluation of the Disaster Mechanism of Cluster Geological Hazards Induced by Heavy Rainfall in a Certain Area of Guangxi,” undertaken by the Institute of Geophysical Exploration and focusing on airborne geophysical exploration, successfully passed the fieldwork acceptance under the organization of the Department of Natural Resources of the Guangxi Zhuang Autonomous Region and led by the Guangxi Zhuang Autonomous Region Geological Environment Monitoring Station. After conducting on-site verification, reviewing documentation, listening to reports, and engaging in question-and-answer sessions, the expert panel unanimously concluded that the project’s results were of excellent quality, with data that was thorough and reliable, and that the project had圆满ly completed its predetermined fieldwork tasks. This marks the entry of geological hazard prevention and control in a certain area of Guangxi into a new stage of technological application integrating “air-space-ground-inland” approaches.
Technology empowers efficient identification of geological hazard risks and a comprehensive understanding of their underlying conditions.
In a certain region of Guangxi, granitic formations of various ages and types are widely distributed. The area features high mountains with steep slopes and complex geological conditions. Under the influence of extreme rainfall, rainfall-induced geological hazards in granitic regions become particularly prominent. Due to topographical constraints, traditional ground-based exploration methods are inefficient in implementation and make it difficult to achieve comprehensive and precise surveys across the entire area. In this project, we have introduced the full-airborne transient electromagnetic method for detection, conducting “aerial scans” over key areas identified as potential high-risk sites for geological disasters. This approach has enabled us to rapidly obtain detailed information on subsurface rock structures, providing ample data support for subsequent numerical simulation studies.
Technology Integration: Building a “Smart Eye” for Geological Disaster Prevention and Control
By overlaying and analyzing the airborne electromagnetic response with high-resolution remote sensing imagery, ground surveys, borehole data, and other relevant datasets, the project team comprehensively inferred the spatial distribution of disaster-causing factors such as the thickness of loose sedimentary layers, thereby achieving precise detection for geological hazard prevention and control in the complex terrain areas of Guangxi.
Currently, the project has fully completed the airborne geophysical survey fieldwork. The next step will be to promote the in-depth analysis and application of the data results, providing robust technical support for research on group geological hazards triggered by heavy rainfall in Guangxi and thereby strengthening the safeguarding of people’s livelihoods and safety.
Executive Producer | Yu Changheng
Reviewed by | Zou Zhongping
Editor-in-charge | Zhou Huiying
Text | Wang Anping, Wang Zhigang
Figure | Wang Zhigang
Editor | Wen Han
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