Key Terms

Question 1

Stem flow

Answer 1

Intercepted precipitation which runs down the stems of plants to reach the ground

Question 2

Groundwater

Answer 2

Store of water held beneath water table

Question 3

Throughflow

Answer 3

Downslope of water within the soil

Question 4

Percolation

Answer 4

Vertical movement of water in zone of unsaturated soil

Question 5

Transpiration

Answer 5

Loss of water from leaves of plants

Question 6

Field capacity

Answer 6

Maximum amount of water the soil can absorb, it becomes saturated

Question 7

Water table

Answer 7

Separates saturated and unsaturated rock (higher in winter)

Question 8

Water balance

Answer 8

Balance between inputs and outputs in a drainage basin

Question 9

Standard deviation

Answer 9

More reliable measure of dispersion

Question 10

Infiltration capacity

Answer 10

Maximum rate at which infiltration can take place

Question 11

Antecedent

Answer 11

Previous content effects current value

Question 12

Hydrograph

Answer 12

Continuous record of fluctuating streamflow

Question 13

Regime

Answer 13

Pattern of a river’s flow over a period of time

Question 14

Water table

Answer 14

Upper level of groundwater