relationship between the volumetric moisture content and the pressure head is highly
nonlinear.
Table 5.1.1 Default Soil Moisture Properties.
Residual
Water
Maximum
Bubbling
Saturated Hydraulic
Content
Water Content
Pressure Head
Van
θr
θmax
αvG
Genucht.exponent
Ksat
nvG
3
3
3
3
Soil Type
(cm/s)
(m /m )
(m /m )
(cm)
0.000262
0.2962
3
22.61
GW
0.01
1.5
0.00010562
0.4032
2.23
22.61
GP
0.01
0.0000672
0.3242
1.23
32.71
GM
0.01
0.000013891
0.344
1.53
23.21
GC
0.01
0.000023612
0.3202
1.253
38.5473
SW
0.01
0.000007412
0.4152
2.53
38.5473
SP
0.01
7.987e-062
0.5262
1.43
68.5473
SM
0.01
0.000000292
0.4002
1.53
58.5473
SC
0.01
0.000000572
0.4642
1.53
33.91
ML
0.01
7.7e-082
0.4222
1.343
53.51
CL
0.01
0.000097222
0.5332
1.343
28.61
OL
0.01
4.8e-082
0.4572
1.53
32.91
CH
0.01
1.5e-081
0.5472
1.343
39.01
MH
0.01
0.0008831
0.8924
1.343
29.31
OH
0.01
PT
0.000014
0.15
0.70
1.34
38.6
SMSC
7.7e-072
0.3962
1.53
23.5473
(MC)
0.01
CLML
1.26e-072
0.3972
1.343
32.91
(CM)
0.01
0.000023612
0.3202
1.253
38.5473
EV
0.01
CO, AS,
RO, SN
0.0
0.001
0.02
1
Sullivan et al. (1997), p. 28
2
Guymon et al. (1993), p. 21, 25, 4759
3
Jordan (2000)
4
Yu et al. (1993)
46
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