Input parameter value
Soil Layer
saturated hydraulic conductivity(mm hr-1) 167.742
suction head(mm) 169.926
Porosity 0.501
field capacity 0.244
wilting point 0.135
substrate thickness(mm) 150.000
conductivity slope 30
Surface layer
green roof slope (%) 2
berm height (mm) 0
surface roughness (manning’s n) 0.41
vegetation volume fraction 0.2
Drainage Mat Layer
thickness (mm) 38
void fraction 0.6
roughness (manning’s n) 0.4