Landslide runout analysis based on Corominas (1996).
References:
Corominas, J. (1996). The angle of reach as a mobility index for small and large landslides. Canadian Geotechnical Journal, 33(2), 260-271.
Hansen, D. (1997). The angle of reach as a mobility index for small and large landslides: Discussion. Canadian Geotechnical Journal, 33(6), 1027-1029.
Corominas, J. (1997). The angle of reach as a mobility index for small and large landslides: Reply. Canadian Geotechnical Journal, 33(6), 1029-1031.