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	48	27	75		369.5		0.1299	0.0731	0.2030
50-100	26	17	43		481.1		0.0540	0.0353	0.0894
100-200	19	18	37		950.1		0.0200	0.0189	0.0389
200-400	10	11	21		1028.6		0.0097	0.0107	0.0204
>400	5	0	5		518.6		0.0096	0.0000	0.0096
Stable	41	76	117		17757.5		0.0023	0.0043	0.0066
Total	171	172	343		8485.6		0.0202	0.0203	0.0404

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		0.015
0-50	0.28	0.16	0.22		0.044
50-100	0.15	0.10	0.13		0.057
100-200	0.11	0.10	0.11		0.112
200-400	0.06	0.06	0.06		0.121
>400	0.03	0.00	0.01		0.061
Stable	0.24	0.44	0.34		2.093
Total	0.50	0.50	1.00		1.000

Based on files:

celqust2c Fri May 30 19:31:06 1997
polqust2c Fri May 30 19:31:06 1997

Cell area (in hectares) is 0.090000

Table created by patrept Version 1.14