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Fig. 5 | Geoenvironmental Disasters

Fig. 5

From: Longevity of dams from landslides with sub-channel rupture surfaces, Peace River region, Canada

Fig. 5

Oblique perspective of the Eureka River landslide and dam, using a Digital Elevation Model derived from lidar data (dated September 26, 2013; source: Government of Alberta, reproduced with permission), at 2-times vertical exaggeration. The lidar data was collected approximately 4 years after the landslide lake had drained. The red polygon delineates the landslide colluvium, and the black hatched line delineates the landslide’s main scarp. The yellow polygon delineates an area of thick lacustrine sediment accumulation (up to 8 m), deposited within the landslide lake basin. The blue line traces the post-landslide dam Eureka River. The scale bar is accurate at the downstream (proximal) edge of the landslide colluvium

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