what affects flows in the drainage basin Flashcards
1
Q
slope angle
A
very steep slopes encourage surface run off
2
Q
soil porosity
A
sand has an infiltration rate of 3-12mm/hour
less permeable clays have an infiltration rate of 0-4mm/hour
3
Q
duration of rainfall
A
infiltration capacity decreases with time through a period of rainfall until a low value is reached
