The movement diagonally downslope of water through the soil, as opposed to the vertical movement known as percolation. It may follow natural percolines in the soil. Throughflow is a major factor in the hydrology of a drainage basin where the rocks underlying the soil are impermeable. See Kirkby and Chorley (1967) Bull. Int. Assoc. Sci. Hydrol. 12. See also Borga et al. (2002) Hydrol. Procs 16.
Subjects: Earth Sciences and Geography — Environmental Science.