Resource Management Flashcards
What is the social and economic significance of food?
it is essential for humans and animals to have food
What is the significance of water?
essential for people, animals, agriculture and industrial use
What is the significance of energy?
We use energy in modern life such as powering your homes to powering factories
What is Water Surplus?
where an area has more water than then need ( eg high rainfall and low population)
What is Water Defecit?
a place that has less water than required
What is the difference between physical and economic scarcity?
physical is where it doesn’t rain enough for the population and economic is where they don’t have enough money to clean the water
where is an area of water surplus ( security ) ?
UK
Places of water scarcity ( insecurity )?
Egypt, South Africa ( Cape Town ) , India
Reasons for increasing water consumption?
NEE’s (china) , industrial growth , population growth
Factors effecting water availability?
Drought, Money , Conflict
Impacts of water insecurity?
Drought, Money ( if they can clean the water ) , Conflict
Strategies to increase water supply?
Water transfer, Desalination ( removing salt from sea water ) , Dams and reservoirs , Diverting supplies and increasing storage
Example of a large scale water transfer scheme ?
China water transfer scheme : South to North
What are the advantages of the China water transfer scheme?
It serves 500 million people , Vast areas can be irrigated with water , Safe drinking water is available in the North
what are the disadvantages of the china water transfer scheme?
300,000 people had to be relocated
It ran the south dry
A lot of the water is already polluted from rivers
