Monitoring, Prediction, and Evaluation of Mountain Geological Hazards Based on InSAR Technology

Table 1

Evaluation factor information scale.

Primary impact factor	Secondary impact factor	Information quantity value (I)	Primary impact factor	Secondary impact factor	Information quantity value (I)
Elevation (unit: m)	<1500	1.527912	Earthquake intensity	VI	−1.018517
	1500–2000	1.878802		VII	−0.305413
	2000–2500	1.217833		VIII	0.371931
	2500–3000	0.069574		IX	2.395062
	3000–3500	−1.16868	Average annual rainfall (unit: mm)	<560	−0.647191
	>3500	−3.18195		560–590	−0.162065
Slope (unit: °)	0–10	−0.19465		590–620	0.1848005
	10–20	−0.60147		620–650	−0.363789
	20–30	0.160048		>650	−0.604173
	30–40	0.060803	Rivers (distance from rivers in km)	<0.5	1.1197684
	40–50	−0.13246		0.5–1	−0.020673
	>50	−0.76925		1–1.5	−1.642546
Aspect of slope	North, northeast	−0.57554		>1.5	−1.944394
	East, southeast	0.34215	Road (distance from road, unit: m)	<200	1.9516436
	South, southwest	0.292185		200–600	1.2565791
	West, northwest	−0.37974		600–1000	0.8739286
Geological structure (distance from fault, unit: km)	<3	0.577263		1000–1400	−0.224026
	3–6	0.176452		1400–1800	−0.668493
	6–9	0.025197		>1800	−1.106742
	>9	−0.68012	Topographic relief (unit: m)	0–100	0.553517
Vegetation coverage	<50%	−0.1233		100–200	0.230892
	50%–60%	0.006014		200–300	−0.339274
	60%–70%	0.392581		300–400	−0.134666
	70%–80%	0.964443		400–500	0.33332
	>80%	0.420331		>500	−2.133569
Stratigraphic lithology	T	−0.04822
	DCWZE	0.268584
	CPQ	0.004012