Drainage basins Flashcards
1
Q
Tributary
A
A stream/small river
joins a larger stream/river
2
Q
Watershed
A
edge of highland surrounding drainage basin
boundary
3
Q
Confluence
A
point two rivers/streams join
4
Q
Drainage basin
A
Area of land drained by river
5
Q
Interception
A
When an object (building, tree) stops precipitation reaching the ground beneath
6
Q
Infiltration
A
water
surface of the earth
ground beneath
7
Q
Throughflow
A
movement of water through unsaturated ground
8
Q
Groundwater flow
A
movement of water through saturated ground
9
Q
Evaporation
A
Water warmed (usually by sun) –> gas
10
Q
Overland flow
A
Upland streams
join at confluences
slower moving, wider, deeper rivers
discharge water into lakes/sea
