Sensitivity of pore-pressure evolution to hydraulic diffusivity

The animation below shows changes in pore-pressure evolution and the respective factor of safety at a depth of 2 m resulting from the variation of hydraulic diffusivity. This “scenario” for a representative soil column during the rainfall event back in August 2005 in Vorarlberg, Austria was computed using the physically-based model TRIGRS 2.0.
pwp_reaction

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