Analysis of Influencing Parameters of the Improved Model for Rainfall Infiltration in Unsaturated Tailings Soil

Table 4

Sensitivity analysis of rainfall infiltration depth.

Number	Input parameters	Value range	Output objective function (depth of infiltration at different times) corresponding to sensitivity index						Sensitivity level
			h30	h60	h90	h120	h180	h240
1		20	0.17	−1.06	−3.99	−6.13	−7.51	−8.79	IV
		−20	0.17	0.57	4.23	5.42	5.97	5.91	IV
2		20	0.32	−0.05	−0.16	−0.26	−0.34	−0.38	III
		−20	−0.04	−0.16	−0.22	−0.26	−0.29	−0.3	III
3		20	0.08	0.07	0.23	0.31	0.39	0.42	III
		−20	0.32	−0.05	−0.16	−0.26	−0.34	−0.38	III
4		20	<0.05	<0.05	0.1	0.09	0.08	0.08	II
		−20	<0.05	−0.11	−0.1	−0.09	−0.08	−0.08	II