Landslide stability monitoring in southwest mountainous areas based on SBAS-InSAR technology

doi:10.13474/j.cnki.11-2246.2024.0211

Abstract

Abstract: In this study, the small baseline subset time-series InSAR (SBAS-InSAR) technique is employed to monitor surface deformation in the northeastern part of Xuanwei, Yunnan province. Deformation results from January 2021 to June 2023 are obtained, and the deformation characteristics of the selected typical landslide are analyzed. GNSS monitoring data are collected and compared with the InSAR deformation monitoring for validation. Furthermore, the response of InSAR deformation to precipitation is analyzed. The research findings demonstrate the effectiveness of SBAS-InSAR in monitoring typical landslide in the southwestern mountainous regions. These results offer support for the early identification of landslide hazards and hold significant reference value for the stability monitoring of similar landslide disasters.

Key words: landslide, SBAS-InSAR, stability monitoring, precipitation response

CLC Number:

P237

XING Mingze, ZUO Xiaoqing, ZHANG Jianming, HUANG Cheng, LI Yongfa, BU Jinwei, SHI Chao. Landslide stability monitoring in southwest mountainous areas based on SBAS-InSAR technology[J]. Bulletin of Surveying and Mapping, 2024, 0(2): 63-68.

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