rho_f 1e3[kg/m^3] "Fluid density"
mu_f 1e-3[Pa*s] "Fluid viscosity"
epsilon_p_M 0.45 "Porosity of macropores"
epsilon_p_m 0.45 "Pososity of micropores"
Ks_M 0.2[cm/min] "Hydraulic conductivity, macropores"
Ks_m 0.0002[cm/min] "Hydraulic conductivity, micropores"
theta_r 0.24 "Residual liquid volume fraction"
n 1.83 ""
l 0.5 ""
alpha 0.019[1/cm] ""
beta 3 "Geometry coefficient, dimensionless"
Ka Ks_m*0.01 "Hydraulic conductivity near"
a 1[cm] "Characteristic radius of the matrix structure"
alpha_w gamma_w*beta/a^2*Ka/g_const "Water transfer function from macro- to micropores"
gamma_w 0.4 "Corrective coefficient"