Key terminology

Question 1

river channel

Answer 1

channel flow (flow of water within a channel) occurs here

Question 2

evaporation

Answer 2

the process by which water changes into water vapour

Question 3

base flow or groundwater flow

Answer 3

water which is transferred through rock

Question 4

groundwater storage

Answer 4

water which is stored at depths in the rock

Question 5

interception

Answer 5

water caught by the leaves and branches of trees

Question 6

infiltration

Answer 6

the downwards movement of water through pores in the soil

Question 7

percolation

Answer 7

downward movement of water through pores in rock; the water enters the groundwater store

Question 8

precipitation

Answer 8

water that falls to the earth in the form of rain, snow, hail or sleet

Question 9

soil storage

Answer 9

water retained within the pore spaces in the soil

Question 10

stem flow

Answer 10

water that runs down the stems and branches of trees and plants

Question 11

overland flow/surface runoff

Answer 11

the movement of water over the surface rather than through the rock or soil

Question 12

surface storage

Answer 12

water retained in lakes, ponds, marches, etc..

Question 13

run off

Answer 13

all water that comes into a river water system from sources

Question 14

through fall

Answer 14

water dripping off the leaves of a tree during a rainstorm

Question 15

through flow

Answer 15

the horizontal movement of water through the soil

Question 16

evapotranspiration

Answer 16

the evaporation of water from plants and trees

Question 17

unimpeded fall

Answer 17

water that falls to the earths surface without being intercepted by vegetation

Question 18

channel fall

Answer 18

water that falls to the earth’s surface directly into a river channel

Question 19

peruious

Answer 19

cracks and joints in permeable rock

Question 20

porons

Answer 20

water passes through permeable rock