| Name | Model | Parameters |
| Anderson (AD [8]) | | b, c, , |
| Fredlund4P (F4P [11]) | | , , , () |
| Fredlund3P (F3P [11]) | | , , () |
| Modified logistic growth (ML [43]) | | a, b, c |
| Offset-nonrenormalized lognormal (ONL [9]) | , where
| , , |
| Offset-renormalized lognormal (ORL [9]) | defined in ONL model] | , , |
| Skaggs (S [12]) | , where = 0.002 mm for T1; = 0.001 mm for T2, T3; : fraction < | u, c |
| van Genuchten type (VG [7]) | where | , n |
| van Genuchten type modified (VGM [34]) | , where ; , fraction of minimum particle size | a, n |
| Weibull (W [10]) | , where , for T1; , for T2, T3 | a, b, c, |
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