Offset measurements along active faults based on the structure from motion method——A case study of Gebiling in the Xorkoli section of the Altyn Tagh Fault
作者：Baosong Xiong,Xue Li
摘要：This study reconstructs high-precision three-dimensional(3 D) surface models using aerial imagery derived from unmanned aerial vehicles(UAVs) with the structure from motion(SfM) method. By combining automatic extraction and manual visual interpretation, the geometry of the active tectonics and offset channels along the fault is obtained. The offsets, caused by the motion of active tectonics, are measured via the retrodeformation of geomorphologic markers. This paper takes the tectonic geomorphology of Gebiling in the Xorkoli section of the Altyn Tagh fault as a case study. After the construction of 3 D surface models using the UAV images and the SfM method, a data set of more than 200 offsets is obtained. The results indicate that 11 paleoearthquakes may have ruptured along the Gebiling section of the Altyn-Tagh fault.
发文机构：Key Laboratory of Earthquake Geodesy
关键词：FAULTTECTONICSTECTONIC
分类号： P231[天文地球—摄影测量与遥感]
- Simultaneous approximation of a function and its derivatives by Sobolev polynomials: Applications in satellite geodesy and precise orbit determination for LEO CubeSats
- Development and prospect of mobile gravity monitoring and earthquake forecasting in recent ten years in China
- Long-term and inter-annual mass changes of Patagonia Ice Field from GRACE
- Characterisation and mapping of land subsidence based on geodetic observations in Lagos,Nigeria
- Deep mantle plumes and an increasing Earth radius
- Hydrological mass variations in the Nile River Basin from GRACE and hydrological models
- Active tectonic deformation around the Tarim Basin inferred from dense GPS measurements
- Template-based smoothing functions for data smoothing in Geodesy
- The background noise level of vertical pendulum tiltmeter in China
- Determination of NavIC differential code biases using GPS and NavIC observations