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- W4322005590 abstract "Large paleolandslides are developed in the upper reaches of Jinsha River, which seriously threaten the safety of nearby residents and engineering facilities. It is important to study the movement characteristics of these landslides. In this work, we inspect the deformation characteristics of a rapid landsliding area along the Jinsha River by using multi-temporal remote sensing, and analyzed its future development. Surface deformations and damage features between January 2016 and October 2020 were obtained using multi-temporal InSAR and multi-temporal correlations of optical images, respectively. Deformation and failure signs obtained from the field investigation were highly consistent. Results showed that cumulative deformation of the landsliding area is more than 50 cm, and the landsliding area is undergoing an accelerated deformation stage. The external rainfall condition is an important factor controlling the deformation. The increase of rainfall will accelerate the deformation of slope. The geological conditions of the slope itself affect the deformation of landslide. Due to fault development and groundwater enrichment, slopes are more likely to slide along weak structural plane. The Jinsha River continuously scours the concave bank of the slope, causing local collapses and forming local free surfaces. Numerical simulation results show that once the landsliding area fails, the landslide body may form a 4 km long dammed lake, and the water level could rise about 200 m." @default.
- W4322005590 created "2023-02-26" @default.
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- W4322005590 date "2023-05-15" @default.
- W4322005590 modified "2023-09-29" @default.
- W4322005590 title "Characteristics of a rapid landsliding area along Jinsha River revealed by multi-temporal remote sensing and its risks" @default.
- W4322005590 doi "https://doi.org/10.5194/egusphere-egu23-6748" @default.
- W4322005590 hasPublicationYear "2023" @default.
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