Monitoring of surface deformation in Yunnan based on Sentinel data

doi:10.13474/j.cnki.11-2246.2021.0177

Abstract

Abstract: As a province connected to Tibet in southwestern in our country, the terrain of Yunnan province gradually decreases from the northwest to the southeast, and there are many mountains. The mountains area can account for 88% of the province’s area. In addition, Yunnan province is also located near the junction of the Indian Ocean plate and the Asia-Europe plate. It has many seismic belts and frequent geological movements, and there are frequent geological disasters such as earthquakes, landslides and mudslides. Therefore, this paper selects Sentinel data from northwestern in Yunnan, which covers a relatively high terrain, and uses SBAS-InSAR technology for data processing. The purpose is to monitor the surface deformation in northwestern in Yunnan and discover hidden areas of geological hazards, which will be the subsequent geological hazards. Early warning is provided on data support.

Key words: Yunnan, SBAS-InSAR, geological disaster, Sentinel data

CLC Number:

P237

WENG Changkai, ZHU Xipeng. Monitoring of surface deformation in Yunnan based on Sentinel data[J]. Bulletin of Surveying and Mapping, 2021, 0(6): 61-66,92.

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