Table 2:
Fitted values obtained according to VG equation using an air entry value −2 cm.
𝜃
𝑟
: residual volumetric water content;
𝜃
𝑠
: saturation volumetric water content;
𝛼
and
𝑁
are shape parameters.
Sampling level (m)
𝜃
𝑟
𝜃
𝑠
𝛼
𝑁
𝑟
2
0–0.05
.063
.683
.236
1.192
.995
0.05–0.10
.000
.614
.419
1.145
.984
0.10–0.15
.000
.554
.164
1.138
.991
0.25–0.30
.000
.439
.383
1.072
.984
0.50–0.55
.000
.387
.032
1.086
.972
0.75–0.80
.000
.370
.119
1.088
.989
>0.80
.000
.363
.002
1.265
.935