Table 1 The values of parameter setting of the RRI model used in the study

Manning’s coefficient for slope

n

(m^−1/3 s)

0.4

0.015

Soil depth

d

(m)

1.0

–

Lateral saturated hydraulic conductivity

k_a

(m/s)

0.1

–

Parameter of unsaturated hydraulic conductivity

β

–

9.0

–

Vertical hydraulic conductivity

k_v

(cm/h)

–

0.06

Soil porosity

φ

–

–

0.6

Wetting front soil suction head

S_f

–

–

0.273

Manning’s coefficient for river

n_river

(m^−1/3 s)

0.03