Research and application of Lutan-1 SAR satellite in survey and monitoring of catastrophic geohazards

doi:10.13474/j.cnki.11-2246.2024.1117

Abstract

Abstract: Lutan-1(LT-1) is the first L-band differential interferometric SAR satellite in China. Jinan has established a satellite-based monitoring network to deepen the construction of comprehensive monitoring and early warning system for urban safety risks since 2024. The SAR satellites are designed for monthly deformation monitoring of major infrastructures such as bridges, super high-rise buildings, mines, and geological hazards. This paper conducted a surface deformation study based on LT-1 with LandSAR software for a 2800 km² area in the southern region the LT-1 is effective for geological hazard deformation survey and monitoring. At the same time, of Jinan. Research results showed that the obvious subsidence in some mining areas is also detected, which could provide monitoring basis for the supervision of production safety in mining areas.

Key words: LT-1, catastrophic geohazards, surface deformation, comprehensive monitoring and early warning of urban safety risks, InSAR

CLC Number:

P237

YU Zhonghai, YAN Libo, LIU Qian, LU Guangbo, LIU Rui. Research and application of Lutan-1 SAR satellite in survey and monitoring of catastrophic geohazards[J]. Bulletin of Surveying and Mapping, 2024, 0(11): 97-101,176.

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