无人机低空摄影测量在黄土滑坡调查评估中的应用

被引:63
作者
彭大雷
许强
董秀军
巨袁臻
亓星
陶叶青
机构
[1] 成都理工大学地质灾害防治与地质环境保护国家重点实验室
基金
国家创新研究群体科学基金;
关键词
无人机; 低空摄影测量; 区域滑坡; 单体滑坡; 黄土滑坡;
D O I
暂无
中图分类号
P642.22 [滑坡];
学科分类号
0837 ;
摘要
无人机低空摄影测量技术是继遥感和三维激光扫面之后,在三维空间数据领域中又一个可用于大面积、高精度和快速获取三维点云数据的技术方法。随着摄影测量算法的改进和商品化发展,目前该项新技术在国内外广泛应用于各个领域,在地质灾害防治领域的应用也处于不断尝试阶段。结合利用无人机低空摄影测量技术调查甘肃黑方台地区黄土滑坡实例,在简要介绍低空摄影测量的基本原理和数据获取方法的基础上,阐述了该技术在区域黄土滑坡调查(面积为36 km2)和单体黄土滑坡调查方面的应用效果。结果表明:在区域滑坡调查方面,可以很好地认识其空间分布规律和发育特征;在单体滑坡方面,通过滑坡前后两期低空摄影测量数据分析,很好地认识滑坡的滑前变形迹象和成灾过程。由此可见,低空摄影测量技术在地质灾害防治领域具有广阔应用前景和一定科研价值。
引用
收藏
页码:319 / 330
页数:12
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