Combined BeiDou and ground-based InSAR multi-source data analysis of maoxian landslide in Sichuan province

doi:10.13474/j.cnki.11-2246.2023.0122

Abstract

Abstract: Based on the typical case of Weimen town landslide in Maoxian county, Sichuan province, this paper uses crack meter and rain gauge equipment to monitor and identify the phenomenon of landslide severe sliding. The BeiDou regional network is set up to obtain real-time monitoring data. The 119.5 h continuous monitoring of the GBInSAR is used to obtain the complete deformation information of the landslide surface, and obvious deformation in the landslide is analyzed. Comparing BeiDou and GBInSAR monitoring at the same position, the results show that the deformation and velocities monitored by the two devices are basically the same. Monitoring by combining BeiDou and GBInSAR can give full play to the advantages of the two means, and analyze the landslide surface deformation information from different positions, which is of great significance for early prevention and local real-time monitoring of landslides.

Key words: BeiDou satellite positioning technology, ground-based InSAR, landslide, combined

CLC Number:

P237

HE Yadong, XU Xuxiong, LI Lin, SUN Ming, HUANG Feng. Combined BeiDou and ground-based InSAR multi-source data analysis of maoxian landslide in Sichuan province[J]. Bulletin of Surveying and Mapping, 2023, 0(4): 159-162.

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