Water volume in function of water-table depth or height 'swc', Hydraulic Conductivity 'khy' , Soil Water Capacity 'cap' , Soil Water (Hydraulic) Diffusivity 'diffusivity'
watervolume(d = H - h, H = 1, h = NA, nstep = 100, Gamma = 1,
soilwaterretentioncurve = swc, ...)
water-table depth (under surface)
soil thickness
water-table heigth (over bedrock)
number of vertical spatial cells. Default is 100
liner coefficient for hydrostatic profile (Default is 1)
function describing the soil water retention curve. Default is swc
parametes for soil.water.retention.curve