Runoff Generation Flashcards
1
Q
overland flow
A
water flowing over the earth’s surface due to saturated soil
2
Q
interflow
A
lateral movement of water in the unsaturated zone, occurring when water infiltrates the subsurface.
3
Q
hortonian overland flow
A
when soil is saturated form above
4
Q
saturation overland flow
A
when soil is saturated from below
5
Q
why does the infiltration rate of soil decrease?
A
(1) packing of the soil-surface by rain;
(2) swelling of the soil, thus closing sun-checks and other openings;
(3) inwashing of fine materials to the soil surface openings.
