Definitions for "Throughflow"
Water moving through the soil between the A and B horizons. Or, water passing through a swamp in a valley.
the flow of water down a slope through the soil as distinct from overland flow. It occurs when the quantity of water falling on the ground surface, or the rate at which it falls, is too great for it all to percolate sufficiently downwards into the soil
movement of water within the soil sideways, towards the river.