无人机遥感技术在甘肃北山地区地质填图中的应用

doi:10.13278/j.cnki.jjuese.20200157

摘要/Abstract

摘要： 甘肃北山地区岩浆岩及变质岩出露广泛，植被稀少，地势平缓，是无人机遥感开展地质填图试验的理想目标区。为解决传统地质填图方法受地形、环境限制和投入高及工作周期长等问题，选取北山长流水地区20 km²化探重点工作区为目标区，利用大疆精灵4专业版无人机采集图像，并采用Photoscan软件合成高分辨率正射影像以及三维模型，建立解译标志，对目标区域进行地质解译，获得比前人1：1万地质图更加精细的地质图。该方法较传统填图方法能够解译出地质体形态、岩脉产状、微小断裂等更详细的地质内容，并能提供划分岩脉期次的证据。

关键词: 无人机, 甘肃北山, 地质填图, 遥感

Abstract: The magmatic and metamorphic rocks in Gansu Beishan area are widely exposed, vegetation is sparse, and the terrain is gentle. It is an ideal area for UAV remote sensing geological mapping experiments. In order to solve the problems of traditional geological mapping, such as topography and environmental constraints, high investment, and long work cycle, etc., the 20 km² geochemical exploration key work area in Changliushui area of Beishan was selected as a target, the DJI Phantom 4 professional drone was used to collect images, and the photoscan software was used to synthesize high-resolution orthophotos and three-dimensional models, so as to establish interpretation signs, and perform geological interpretation of the target area to obtain a more refined geological map than the previous 1:10 000 geological map. Compared with the traditional mapping method, this method can capture more detailed geological contents such as geological body shape, dike occurrence, and micro-faults, and this can provide a basis for dividing dike stages.

Key words: UAV, Gansu Beishan, geological mapping, remote sensing

中图分类号:

P623

戴均豪, 薛林福, 李忠潭, 桑学佳, 马建雄. 无人机遥感技术在甘肃北山地区地质填图中的应用[J]. 吉林大学学报(地球科学版), 2021, 51(6): 1908-1920.

Dai Junhao, Xue Linfu, Li Zhongtan, Sang Xuejia, Ma Jianxiong. Application of UAV Remote Sensing Technology in Geological Mapping in Gansu Beishan Area[J]. Journal of Jilin University(Earth Science Edition), 2021, 51(6): 1908-1920.

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