rho 1e3[kg/m^3] Fluid density thetas_1 0.339 Porosity, layer 1 thetas_2 0.399 Porosity, layer 2 thetar_1 0.001 Residual saturation, layer 1 thetar_2 0.001 Residual saturation, layer 2 Ss_1 0.339[1/m]/(g_const*rho) Storage coefficient, layer 1 Ss_2 0.399[1/m]/(g_const*rho) Storage coefficient, layer 2 Ks_1 0.454[m/d] Saturated hydraulic conductivity, layer 1 Ks_2 0.298[m/d] Saturated hydraulic conductivity, layer 2 alpha_1 1.39[1/m] Parameter alpha, layer 1 alpha_2 1.74[1/m] Parameter alpha, layer 2 n_1 1.6 Parameter n, layer 1 n_2 1.38 Parameter n, layer 2 Hp0 0.01[m] Pressure head in the ring N0 0.01*Ks_1*rho Leak from the base c0 1[kg/m^3] Solute concentration in the ring rhob 1300[kg/m^3] Bulk density kp_a 1e-4[m^3/kg] Partition coefficient, aldicarb kp_asx 0.5e-4[m^3/kg] Partition coefficient, aldicarb sulfoxide kp_asn 2e-4[m^3/kg] Partition coefficient, aldicarb sulfone Dl 3.74e-3[m^2/d] Diffusion coefficient, liquid phase Dg 0.432[m^2/d] Diffusion coefficient, gas phase alphar 0.005[m] Longitudinal dispersivity alphaz 0.001[m] Transverse dispersivity kg_a 1.33e-7 Volatilization kg_asn 1.33e-3 Volatilization d_a 0.05[m] Thickness of the concentration boundary layer, aldicarb d_asn 0.05[m] Thickness of the concentration boundary layer, aldicarb sulfone