Tolt

Tolt

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	4	9	13		1040.0		0.0038	0.0087	0.0125
0-50	27	42	69		3218.2		0.0084	0.0131	0.0214
50-100	11	16	27		2455.1		0.0045	0.0065	0.0110
100-200	10	10	20		2008.4		0.0050	0.0050	0.0100
200-400	3	7	10		1242.5		0.0024	0.0056	0.0080
>400	1	1	2		699.7		0.0014	0.0014	0.0029
Stable	7	20	27		13781.8		0.0005	0.0015	0.0020
Total	63	105	168		24445.6		0.0026	0.0043	0.0069

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	0.06	0.09	0.08		0.043
0-50	0.43	0.40	0.41		0.132
50-100	0.17	0.15	0.16		0.100
100-200	0.16	0.10	0.12		0.082
200-400	0.05	0.07	0.06		0.051
>400	0.02	0.01	0.01		0.029
Stable	0.11	0.19	0.16		0.564
Total	0.38	0.62	1.00		1.000

Based on files:

celqust2c Mon Jul 22 11:14:25 1996
polqust2c Mon Jul 22 11:14:25 1996

Cell area (in hectares) is 0.090000

Table created by patrept Version 1.11