River Environments - Water Management

Question 1

4 uses of fresh water

Answer 1

domestic use
industrial use
agricultural use
leisure use

Question 2

define demand

Answer 2

the need for water for a range of uses; it is also referred to as consumption, and the amount of water consumed reflects the level of demand

Question 3

define supply

Answer 3

meeting the demand for water by tapping various sources such as groundwater, lakes and rivers

Question 4

water balance

Answer 4

the balance between the demand and supply of water

Question 5

reasons for rising demand for water

Answer 5

• The rising standard of living that is part of development increases domestic use of water
• More water needed for agricultural use in order to feed the growing population
• Many factories use water for cooling machines and it is also used to generate electricity (increased industrial use due to development)

Question 6

3 main sources of water supply

Answer 6

• rivers and lakes
• reservoirs (artificial lakes created through the building of dams)
• aquifers and wells

Question 7

features of places with water surplus

Answer 7

remote, mountainous regions
high annual rainfall
small population
low water demand

Question 8

features of places with water deficit

Answer 8

little precipitation
large populations
rising development