Analysis of surface time series deformation in Lincang city based on SBAS technology

doi:10.13474/j.cnki.11-2246.2021.0213

Abstract

Abstract: As a microwave remote sensing technology, SBAS monitoring technology uses least squares or singular value decomposition methods to interfere with multiple interfering pairs forming a triangulation network to obtain the time series deformation law of a certain area. This paper uses SBAS technology to process the 30 Sentinel-1A radar data covering Lincang city from February 2019 to July 2020. This area is analyzed by means of profile and time series analysis to study the causes and laws of its surface subsidence, so as to judge whether there are hidden danger areas of geological disasters in this area, and provide reference opinions for the future disaster prevention and mitigation work of Lincang city.

Key words: Lincang city, geological disasters, SBAS-InSAR, subsidence, Sentinel-1

CLC Number:

WENG Changkai, XIAO Tian. Analysis of surface time series deformation in Lincang city based on SBAS technology[J]. Bulletin of Surveying and Mapping, 2021, 0(7): 81-85.

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