Willapa

Willapa

Predicted v. Observed Hazards
phi = 33°, B.D. = 2.0, Cohesion = 15 kN/m², T = 65 m
Model Q for Instability	count of landslides				Area within Basin (hectares)		slides per hectare
Model Q for Instability	Road Related	Not Road-Related/ indeterminate	Total		Area within Basin (hectares)		Road Related	Not Road-Related/ indeterminate	Total
Unstable	0	0	0		0.0		0.0000	0.0000	0.0000
0-50	26	17	43		166.8		0.1559	0.1019	0.2578
50-100	11	8	19		158.0		0.0696	0.0506	0.1202
100-200	22	17	40		367.5		0.0599	0.0463	0.1089
200-400	32	28	60		911.2		0.0351	0.0307	0.0659
>400	61	56	117		6112.5		0.0100	0.0092	0.0191
Stable	19	46	66		17757.5		0.0011	0.0026	0.0037
Total	171	172	345		25473.5		0.0067	0.0068	0.0135

normalized by column, and in row of totals
Model Q for Instability	count of landslides				Area within Basin
Model Q for Instability	Road Related	Not Road-Related/ indeterminate	Total		Area within Basin
Unstable	0.00	0.00	0.00		0.000
0-50	0.15	0.10	0.12		0.007
50-100	0.06	0.05	0.06		0.006
100-200	0.13	0.10	0.12		0.014
200-400	0.19	0.16	0.17		0.036
>400	0.36	0.33	0.34		0.240
Stable	0.11	0.27	0.19		0.697
Total	0.50	0.50	1.00		1.000

Based on files:

celqust15c Mon Jul 1 16:44:30 1996
polqust15c Mon Jul 1 16:44:30 1996

Cell area (in hectares) is 0.090000

Table created by patrept Version 1.11