water

Question 1

what is water insecurity

Answer 1

not having enough clean water

Question 2

water security dpends on…

Answer 2

access to water - amount of rainfall - number of people using

Question 3

demand is rising because -

Answer 3

global pop is increasing - more demand for food, irrigation, water
more development means more water - industralisation - manafacturing requires a lot of water
higher standard of living like more toilets

Question 4

factors causing water insecurity - physical factors

Answer 4

climate
impermeable rocks - water runs off into rivers which has easy access but when the rocks are pemeable the rocks infiltrate into aquifers making it harder to access water

Question 5

economic and social factors

Answer 5

over abstraction - more is taken than replaced due to pop growth
polluted water sources - indus waste in water

Question 6

water insecurity can lead to

Answer 6

conflict - some countries share water sources like rivers
disease - polluted water can lead to waterbourne disease like cholera
reduced food production due to farming

Question 7

how to increase water supply

Answer 7

dams and resovouirs - consistant flow of water all year round as when there is water surplus it is filled and when there is water defecit it can be released as the weather is unpredictable
water transfer - canals and pipes to areas of water defecit from area of surplus - e.g. china

Question 8

sustainable water supply

Answer 8

water conservation - dual flush toilets can save about 3.5 litres of water each flush
buying efficient dishwashers
recyling - can be used in farming
grey water - reused immediatly from peoples homes apart from toilet as this is contaminated - as the water is relatively clean it can be used for farming - conserves energy also as the water is not treated