Monitoring surface deformation in Songming county using time series InSAR technology

doi:10.13474/j.cnki.11-2246.2021.0217

Abstract

Abstract: Urbanization is the general trend of modern human environment and the embodiment of each country's modernization degree. China has issued many policies for rural urbanization. Songming county, Yunnan province, is established as a county-level Songming city in 2018. It can be seen that Songming county develops rapidly compared with other counties. However, the rapid development of cities will also cause many problems, among which the more serious is the surface deformation, which is easy to evolve into geological disasters. Based on the current situation of Songming county, 44 sentinel-1 satellite images are used to monitor the surface deformation of Songming county through the severe weather such as cloud, rain and fog by SBAS-InSAR technology. The deformation monitoring results of the region from January 2019 to August 2020 are obtained. The causes and laws of the deformation are analyzed by point line surface analysis method, to provide reference for the urbanization process of Songming county.

Key words: urbanization, Songming county, SBAS-InSAR, surface deformation, deformation law

CLC Number:

P237

HUANG Junsong, ZHANG Chunyou, WANG Jianhui. Monitoring surface deformation in Songming county using time series InSAR technology[J]. Bulletin of Surveying and Mapping, 2021, 0(7): 103-106,116.

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