Table 5 Typical van Genuchten model parameters (ά, n) including residual (θr), and saturated (θs) water contents compiles from the UNSODA database96.

From: Groundwater contamination modelling in Ayad River Basin, Udaipur

S. no

Textural class

N

θr (cm3/cm3)

θs (cm3/cm3)

ά (1/cm)

n

1

Sand

126

0.058

0.37

0.035

3.19

2

Loamy sand

51

0.074

0.39

0.035

2.39

3

Sandy loam

78

0.067

0.37

0.021

1.61

4

Loam

61

0.083

0.46

0.025

1.31

5

Silt

2

0.123

0.48

0.006

1.53

6

Silt loam

101

0.061

0.43

0.012

1.39

7

Sandy clay loam

37

0.086

0.40

0.033

1.49

8

Clay loam

23

0.129

0.47

0.030

1.37

9

Silty clay loam

20

0.098

0.55

0.027

1.41

10

Silty clay

12

0.163

0.47

0.023

1.39

11

Clay

25

0.102

0.51

0.021

1.20

  1. n indicates the number of soils or samples of a given textural class from which the mean values are compiled.
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