preferential flow  search
RTbreakthrough curves
 connectivity
 fractured materials
 ground water
 hydraulics
 hydrodynamics
 layered materials
 leaching
 movement
 patterns
 permeability
 porous materials
 saturated zone
 solute transport
 transmissivity
 unsaturated zone
SNAlso search double porosity if applicable. See transport. Added to Thesaurus in 1995.