Willapa

Willapa

Predicted v. Observed Hazards
phi = 33°, B.D. = 2.0, Cohesion = 2 kN/m², T = 65 m²
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	22	23	45		125.4		0.1755	0.1835	0.3589
0-50	59	40	99		722.6		0.0816	0.0554	0.1370
50-100	31	20	52		895.8		0.0346	0.0223	0.0581
100-200	22	22	44		1863.8		0.0118	0.0118	0.0236
200-400	13	15	28		2377.3		0.0055	0.0063	0.0118
>400	5	6	11		1731.2		0.0029	0.0035	0.0064
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	0.13	0.13	0.13		0.005
0-50	0.35	0.23	0.29		0.028
50-100	0.18	0.12	0.15		0.035
100-200	0.13	0.13	0.13		0.073
200-400	0.08	0.09	0.08		0.093
>400	0.03	0.03	0.03		0.068
Stable	0.11	0.27	0.19		0.697
Total	0.50	0.50	1.00		1.000

Based on files:

celqust2c Mon Jul 1 16:44:28 1996
polqust2c Mon Jul 1 16:44:28 1996

Cell area (in hectares) is 0.090000

Table created by patrept Version 1.11