Table 3.

Information amount of each partition of evaluation factor.

Factor	Partition interval	Amount of information
Elevation	0–1600	0.3102
	1600–2300	2.3956
	2300–2900	0.5967
	2900–3500	−2.4469
	3500–6900	0
Profile curvature	0–5	0.2742
	5–10	−0.1723
	10–15	−0.2335
	15–20	0.0451
	20–30	−0.94
	30–58	0
Landform	Middle Mountain landform	0.7517
	Low mountain landform	1.7254
	The others	0
Seismic response spectrum characteristics	0.4	0.4844
	0.45	0.4842
Peak Ground Acceleration	0.15	0.0297
	0.20	1.0226
Aspect	0–90	0.5252
	90–180	−0.5728
	180–270	−0.3118
	270–360	0.032
Slope	0–10	1.3547
	10–20	0.6354
	20–30	−0.123
	30–40	−0.8226
	40–50	−0.4084
	50–90	−0.6364
Lithology	Hard blocky granite and diorite lithology	0.563
	Soft-hard interbedded slate to sandstone lithology	0.0301
	Iceberg	0.3581
	Hard blocky shallow igneous and volcanic rock lithology	1.2453
	The others	0
Plane curvature	0–10	−0.0391
	10–20	−0.0279
	20–30	−0.3062
	30–40	−0.5248
	40–50	0.1163
	50–60	0.4755
	60–90	0.5718
Linear density of water	0–0.08	−3.7177
	0.08–0.24	−2.4331
	0.24–0.42	0.6696
	0.42–0.62	1.6218
	0.62–1.4	0.7205
Linear density of road	0–0.28	−2.8886
	0.28–0.87	1.8923
	0.87–1.64	2.4519
	1.64–2.85	2.1497
	2.85–7.3	2.8018