Modelling Hydrology of a Single Bioretention System with HYDRUS-1D

Table 2

The soil hydraulic parameters for the van Genuchten model in different structure layers.

Structural layer	Residual water content; (cm^3/cm^3)	Saturation water content; (cm^3/cm^3)	α; (min^−1)	𝑛; (—)	Saturated hydraulic conductivity; (cm/min)	𝑙; (—)
Soil media in Cell A	0.065	0.410	0.025	1.69	0.083	0.5
Top media in Cell B	0.071	0.490	0.460	1.30	0.252	0.5
Bottom vermiculite in Cell B	0	0.448	0.002	1.44	0.518	0.5