Research Article

Soil Water Retention Modeling Using Pedotransfer Functions

Table 1

List of PTFs-based models used in the study.

Name of modelSoil properties used*

Oosterveld and Chang, 1980 [16] (BC-OC)Sand, clay, bulk density, depth
Rawls and Brakensiek, 1985 [14] (BC-RB)Sand, clay, bulk density
Saxton et al., 1986 [12] (BC-SEL)Sand, clay, bulk density
Campbell and Shiozawa, 1992 [13] (BC-CS) Sand, clay, bulk density
Williams et al., 1992 [15] (BC-WIL1)Sand, clay, bulk density
Williams et al., 1992 [15] (BC-WIL2)Sand, clay, bulk density, organic carbon
Mayr and Jarvis, 1999 [17] (BC-MJ)Sand, clay, bulk density, organic carbon
Varallyay et al., 1982 [19] (VG-VAEL)clay, bulk density
Vereecken et al., 1989 [20] (VG-VEEL)Sand, clay, bulk density, organic carbon
Wösten et al., 1999 [18] (VG-WOEL1) Sand, silt, clay, depth
Wösten et al., 1999 [18] (VG-WOEL2)Silt, clay, bulk density, organic carbon, depth
Gupta and Larson, 1979 [23] (VG-GL)Sand, silt, clay, bulk density, organic carbon
Rawls et al., 1982 [22] (VG-REL1) Sand, silt, clay, bulk density, organic carbon
Rawls et al., 1983 [25] (VG-REL2)Sand, silt, clay, bulk density, organic carbon
Rajkai and Varallyay, 1992 [24] (VG-RV)Sand, clay, bulk density, organic carbon
Tomasella and Hodnett, 1998 [21] (VG-TH)Silt, clay, bulk density, organic carbon

Sand, silt, clay, and organic carbon in %, bulk density in g/cm3, and depth in m.