Fig. 4From: Effect of hydraulic and mechanical characteristics of sediment layers on water film formation in submarine landslidesThree-layer sandbox test; frontal view in illustration (left) and actual image (right) at different stages: a Before excitation, b during liquefaction, c during water film formation, d beginning of lateral movement, and e after large mass movement with sand boiling. In the illustration, brown represents the vertical plate, while dark and light yellow represent coarse and fine sand, respectively. Blue represents a water filmBack to article page