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

0–0.05.063.683.2361.192.995
0.05–0.10.000.614.4191.145.984
0.10–0.15.000.554.1641.138.991
0.25–0.30.000.439.3831.072.984
0.50–0.55.000.387.0321.086.972
0.75–0.80.000.370.1191.088.989
>0.80.000.363.0021.265.935