L4: The Water Balance

Question 1

The water balance

Answer 1

The water balance is worked out from the inputs (precipitation) and outputs (channel discharge and evapotranspiration). The water balance affects much water is stored in the basin. In the UK, the water balance is distinctly seasonal.

Question 2

Runoff

Answer 2

the movement of water that is unconfined by a channel across the surface of the ground.