Water scarcity and management

Question 1

Physical water scarcity

Answer 1

When countries do not have enough water due to climatic reasons and other physical reasons

Question 2

Example of a place with physical water scarcity

Answer 2

Northern Mali in the Sahara desert

Question 3

Economic water scarcity

Answer 3

When a country has adequate water but doesn’t have enough money to access it or make it safe to drink

Question 4

Example of country with economic water scarcity

Answer 4

Parts of Afghanistan

Question 5

Water stress

Answer 5

When the water supply is below 1700 cubic metres per person per year. There isn’t enough water to provide for the basic water needs of the population

Question 6

Link between poverty and water resources

Answer 6

Those living on less than $1.25 a day roughly equal the number without access to safe drinking water

Question 7

Health related consequence of lack of safe drinking water in LEDCs

Answer 7

Many deaths from diarrhoeal diseases due to drinking water that isn’t safe to drink

Question 8

Water management

Answer 8

When an area tries to increase or maintain its clean water supply using various schemes

Question 9

How does water recycling by re-using greywater help with water management

Answer 9

It reduces the amount of water used by houses e.g. it can be used to water gardens

Question 10

Effect of high water pricing on

Answer 10

Makes individuals and organisations think more carfully about water usage

Question 11

What three things are encouraged by high water pricing?

Answer 11

Reusing grey water, investment in recycling systems and investment in reduction of water losses

Question 12

Example of an efficient irrigation system to reduce water lost through evaporation in agriculture

Answer 12

Drip irrigation systems

Question 13

How does rainwater harvesting help with water management?

Answer 13

It reduces the amount of water taken from the piped public supply