Soil Water Retention Modeling Using Pedotransfer Functions

Table 2

Best-fit PTF-based models and their parameters in Benisagar and Rangawan commands.

Site	Best-fit PTF	Model type	RMSE and model parameters
			RMSE	𝜃𝑟	𝜃𝑠	ℎ𝑏 (BC)/𝑎 (VG)	𝜆 (BC)/𝑛 (VG)	m (VG)
Site-1	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.02	0.03	0.43	37.90	0.39	—
Site-2	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.02	0.03	0.39	40.40	0.41	—
Site-3	Saxton et al., 1986 [12] (BC-SEL)	BC	0.02	0	0.31	222.12	0.30	—
Site-4	Tomasella and Hodnett, 1998 [21] (VG-TH)	VG	0.01	0.03	0.60	0.02	1.27	0.21
Site-5	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.03	0.03	0.37	45.32	0.42	—
Site-6	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.03	0.03	0.39	42.67	0.42	—
Site-7	Tomasella and Hodnett, 1998 [21] (VG-TH)	VG	0.03	0	0.56	0.035	1.25	0.20
Site-8	Campbell and Shiozawa, 1992 [13] (BC-CS)	BC	0.02	0	0.38	42.34	0.17	—
Site-9	Saxton et al., 1986 [12] (BC-SEL)	BC	0.03	0	0.38	75.34	0.29	—
Site-10	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.02	0.03	0.37	39.19	0.43	—
Site-11	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.01	0.03	0.36	17.57	0.51	—
Site-12	Saxton et al., 1986 [12] (BC-SEL)	BC	0.02	0	0.42	61.72	0.29	—
Site-13	Tomasella and Hodnett, 1998 [21] (VG-TH)	VG	0.01	0.02	0.59	0.02	1.26	0.21
Site-14	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.01	0.03	0.33	70.86	0.42	—
Site-15	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.02	0.03	0.38	54.051	0.39	—
Site-16	Saxton et al., 1986 [12] (BC-SEL)	BC	0.03	0	0.36	95.19	0.28	—
Site-17	Rawls and Brakensiek, 1985 [14] (BC-RB)	BC	0.03	0.04	0.39	37.59	0.41	—