Surface Deformation Monitoring of a Section of Gongyu Expressway Based on SBAS-InSAR Technology
E3S Web of Conferences(2021)
摘要
It is difficult to monitor the surface deformation along the expressway for the critical climate conditions in Tibet plateau. In this paper, based on sentinel-1A SAR data, the surface deformation along the Gongyu expressway was tried to evaluate using time-series SBAS-InSAR method. The results indicate that the surface deformation in most regions is within the safe acquirement of the expressway. Moreover, the surface deformation indicates a strong seasonal effect. Finally, two special spots with dangerous surface deformation are identified along the expressway.
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关键词
gongyu expressway,sbas-insar
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