Chehalis

Predicted v. Observed Hazards
phi = 33°, B.D. = 2.0, Cohesion = 15 kN/mē, T = 65 m
Model
Q for Instability
count of landslides Area
within
Basin
(hectares)
slides per hectare
Road
Related
Not Road-Related/
indeterminate
TotalRoad
Related
Not Road-Related/
indeterminate
Total
Unstable0000.00.00000.00000.0000
0-50602181259.30.23140.08100.3124
50-100511667322.20.15830.04970.2079
100-200641983661.80.09670.02870.1254
200-400107421491464.60.07310.02870.1017
>400174542289023.80.01930.00600.0253
Stable147216436.60.00220.00110.0033
Total47015962918168.20.02590.00880.0346
normalized by column, and in row of totals
Model
Q for Instability
count of landslides Area
within
Basin
Road
Related
Not Road-Related/
indeterminate
Total
Unstable0.000.000.000.000
0-500.130.130.130.014
50-1000.110.100.110.018
100-2000.140.120.130.036
200-4000.230.260.240.081
>4000.370.340.360.497
Stable0.030.040.030.354
Total0.750.251.001.000

Based on files:

Cell area (in hectares) is 0.090000

Table created by patrept Version 1.11