| Name |
Symbol |
| Fracture aperture |
2b |
| Fracture spacing |
2B |
| Concentration of component i |
Ci |
| Free diffusion coefficient in water of i |
D*i |
| Hydrodynamic dispersion coefficient in fracture |
Df |
| Dilution factor |
df |
| Effective diffusion coefficient of i in matrix |
Dm,i |
| Organic carbon fraction |
foc |
| gravitational gravitation |
g |
| Gradient |
i |
| Recharge rate |
I |
| Aquifer hydraulic conductivity |
K |
| Bulk hydraulic conductivity |
Kb |
| Linear sorption coefficient of i |
Kd,i |
| Decay rate of biomass j |
kdj |
| Inhibition constant of i |
Ki,i |
| Half-velocity constant of i |
Ki |
| Hydraulic conductivity of matrix |
Km |
| Octanol-water partition coefficient of i |
Kow,i |
| Water flow in fracture |
Qf |
| Retardation factor of i in matrix |
Rm,i |
| Groundwater velocity |
v |
| Water velocity in fracture |
vf |
| Width of contamination source |
W |
| Concentration of biomass j |
Xj |
| Specific yield of biomass j |
Yj |
| Longitudinal dispersivity in fracture |
αL |
| Vertical transverse dispersivity |
αT |
| Fluid viscosity |
µ |
| Maximum growth on i |
µi |
| Fluid density |
ρ |
| Dry bulk density |
ρb |
| Wet bulk density |
ρtot |
| Tortuosity |
τ |
| Matrix porosity |
φ |
| Aquifer porosity |
φaq |