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Geoenvironmental Disasters
Fig. 15 | Geoenvironmental Disasters

Fig. 15

From: Torrent rainfall-induced large-scale karst limestone slope collapse at Khanh waterfall, Hoa Binh Province, Vietnam

Fig. 15

Simulation model of Khanh waterfall landslide using SfM of aerial photos taken by the UAV and AW3D30 (Japan Aerospace Exploration Agency Earth Observation Research Center 2020). a Contour of slope after collapse from UAV and AW3D30, b Estimated contour of slope before collapse based on result of field survey, c Simply estimated contour of collapse surface, d Simulate the slope surface before collapse by GIS, e Simulate the slope surface after collapse by GIS

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