Numerical modelling of the Coll de Pal snow avalanche with Iber

Co-author(s): Ernest Bladé, Carlos A. Andrade, Pere Oller, Glòria Furdada

The snow avalanche of Coll de Pall (February 10th, 2018) mobilized around of 2,431m3, travelled around 400m and cumulated 2.5m on a road. Recognition campaigns revealed that the avalanche may be classified as a dry, dense flow with some cohesion. The event was simulated with Iber, a 2D-SWE-based numerical tool that implements an ad hoc numerical scheme for the friction terms. The model achieved good results, stable numerical solutions and the flow stops without considering additional criteria.


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