Review on the Application of Airborne LiDAR in Active Tectonics of China: Dushanzi Reverse Fault in the Northern Tian Shan

Abstract

High-resolution topographic data are fundamental for active tectonics studies. Within the last 2 decades, the airborne light detection and ranging (LiDAR) system provided a solution for the accurate and efficient acquisition of detailed geomorphic features. The use of LiDAR data for the identification of microstructural and geomorphic features, fault zone activity analysis, and earthquake disaster assessment remains challenging and has been the focus of active tectonics studies. Based on the LiDAR data of Dushanzi anticline–a reverse fault zone in Xinjiang, China, our group carried out a significant number of active tectonic research studies. By reviewing the specific content of these works, we summarized the main application of LiDAR for a specific structure, the Dushanzi Reverse Fault in the northern Tianshan. In addition, other applications of LiDAR in active tectonics are summarized in this paper. These studies show that high-resolution LiDAR data facilitate detailed studies of the fault activity and paleoseismicity. We hope more researchers can realize the advantages of LiDAR technology in active tectonics research and apply LiDAR technology into their own practical work, so as to promote the development of active tectonics research.

LIDAR Point Cloud Augmentation for Dusty Weather Based on a Physical Simulation

“…Light Detection and Ranging (LIDAR) is an active remote sensing system that uses electromagnetic waves in the optical range to measure distance and generate point clouds of objects. As a leading technology of environment perception, LIDAR is widely used in geography, geomatics, atmospheric physics, urban planning, agriculture, military and defense [1], etc. With the rapid emergence of autonomous driving, LIDAR has become an indispensable tool for surveying and mapping [2,3], localization [4], and 3D object detection [5,6].…”

LADSDIn: LiCSAR-Based Anomaly Detector of Seismic Deformation in InSAR

“…China is an earthquake-prone country with many seismic zones and a high frequency of earthquakes. In total, 7% of China's territory endures 33% of the world's strongest earthquakes on the mainland, making it one of the most earthquakeprone countries in the world [29], [30], [31]. Although LiC-SAR products cover the major seismic regions in China, manual analysis of LiCSAR deformation data in tectonic zones and timely detection of pre-earthquake anomalous activity are time-consuming and require staff with expertise in seismic and InSAR.…”