Chehalis

Predicted v. Observed Hazards
phi = 45°, B.D. = 2.0, Cohesion = 0, T = 65 mē/day
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
Unstable851326.50.30230.18900.4913
0-5010930139375.90.28990.07980.3697
50-10010635141776.80.13650.04510.1815
100-200116281441750.10.06630.01600.0823
200-4005621771981.80.02830.01060.0389
>400175221029.90.01650.00490.0214
Stable58359312227.20.00470.00290.0076
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
Unstable0.020.030.020.001
0-500.230.190.220.021
50-1000.230.220.220.043
100-2000.250.180.230.096
200-4000.120.130.120.109
>4000.040.030.030.057
Stable0.120.220.150.673
Total0.750.251.001.000

Based on files:

Cell area (in hectares) is 0.090000

Table created by patrept Version 1.14