From: Stochastic analysis of rainfall effect on earthquake induced shallow landslide of Tandikat, West Sumatra, Indonesia
Parameter
Unit
Type
Mean value
Standard deviation
Friction angle, φ ' 1,2
(o)
Normal
39.750
3.225
Hydraulic conductivity, k1
(m/s)
Log-normal
4.54 × 10-5
2.81 × 10-5
Specific yield, S1
-
0.331
0.291