Taking the Yishui County, Shandong Province as the research area, we processed GF-2 images from different periods in May 2018 and May 2020. Based on their spectral and texture differences, combined with topographic and geomorphic features, multiple hidden geological hazard points are identified. Finally, we conducted on-site investigations and ultimately identified multiple potential geological hazards.
Taking the Shandong area as the study area, we use the SBAS-InSAR to process 647 views Sentinel-1A data in Shandong area between 2018.7 and 2020.4 and, according to the deformation amount and trend, reveal the hidden geological disaster points and extract the surface deformation field. In this paper, the areas with obvious ground deformation in Feicheng were selected. We combined with the field survey results, finally verified the combination of high-resolution imagery and DEM has a certain effect in the interpretation of geological disaster points.
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