Stability Analysis of the Shiliushubao Landslide Based on Deformation Characteristics and External Trigger Factors in the Three Gorges Reservoir

Table 2

The grey relational grade (GRG) between the influencing factor with factor of safety and displacement.

Input	Influencing factors	GRG
Factory of safety	Input 1, the 1-month cumulative antecedent rainfall	0.626
	Input 2, the 2-month cumulative antecedent rainfall	0.605
	Input 3, reservoir level change in the 1-month period	0.681
	Input 4, reservoir level change in the 2-month period	0.703
	Input 5, the average elevation of the reservoir level in the current month	0.610
	Input 6, the displacement of G8 over the past 1 month	0.604
	Input 7, the displacement of G5 over the past 1 month	0.608
The displacement of G5	Input 8, the 1-month cumulative antecedent rainfall	0.664
	Input 9, the 2-month cumulative antecedent rainfall	0.662
	Input 10, reservoir level change in the 1-month period	0.672
	Input 11, reservoir level change in the 2-month period	0.662
	Input 12, the average elevation of the reservoir level in the current month	0.761
	Input 13, the displacement of G8 over the past 1 month	0.941