OALib Journal期刊
机载激光雷达扫描揭示海原断裂带微地貌的精细结构
DOI: 10.1360/972012-1526
Keywords: 激光雷达三维扫描(LiDAR) ,海原断裂 ,断错微地貌
Abstract:
第四纪地貌体的位错精确测量是活动断裂研究的基础,提高地形数据的分辨率是关键.激光雷达三维扫描(LiDAR)是一种快速获取高精度地形数据的先进有效方法.在我国一条标志性的大型活动断裂——海原断裂带上成功开展了机载激光雷达扫描,覆盖128km的区段,获取了高密度的激光点云数据和达0.5m分辨率的数字高程模型(DEM),实现了对海原断裂带的微地貌形态和断层几何的高清晰度三维再现.高密度大范围的三维激光扫描促进断裂活动性和古地震复发规律的精细化研究.
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