Paper 2 Flashcards

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1
Q

How much of the world live in urban areas

A

55%

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2
Q

How much of HIC is urbanised

A

80%

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3
Q

How much of LICs are urbanised

A

30%

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4
Q

Urbanisation rate in LIC

A

6%

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5
Q

Push factors of rural urban migration

A

-Natural disasters
-mechanised agriculture
-desertification

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6
Q

Pull factors of rural urban migration

A

-more jobs
-better healthcare and education
-natural increase ( young people)

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7
Q

What can lack off food lead to

A

Malnourishment

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8
Q

What can lack of clean water lead to

A

Water born diseases eg typhoid

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9
Q

What does unequal consumption mean

A

Different countries financial state effects there consumption

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10
Q

How does high value foods effect countries food consumption

A

Exotic fruits exported to HIC but grown in LIC
seasonal products exported all year round

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11
Q

Organic produce effects on countries food consumption

A

People become more concerned about environment look for locally sourced food

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12
Q

Growing carbon footprint fact

A

10% of uk greenhouse gases from agriculture

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13
Q

What are food miles

A

The distance food transported

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14
Q

Effects of industrialised farming

A

-Larger fields cheaper to produce
-more chemicals used
-less employees more machinery

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15
Q

Which areas of uk are in water surplus

A

North and west

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16
Q

Why are the south and east of uk in water deficit

A

High population density

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17
Q

Increase in How much water used in house holds

A

70% increase since 1975

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18
Q

Factors contaminating water

A

-polluted/poor quality water
-fertilisers washed into rivers
-vehicle pollutants into rivers

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19
Q

Strategy to reduce water pressure

A

Improved drainage systems

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20
Q

What is water transfer

A

Transferring water from area of surplus to area of deficit

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21
Q

Effects of water transfer

A

-Can effect wildlife in rivers
-political issues
-dams and reservoirs expensive

22
Q

How has uk energy supplies changed

A

Fossil fuels 9% in 1970>
22% in 1980>
Coal stations closed by 2025>
19% electrical

23
Q

Why is fossil fuel consumption decreased

A

Awareness of co2 emissions

24
Q

Environmental issues of energy

A

-Releases co2
-fracking pollutes groundwater cause earthquakes
-natural ecosystems damaged by renewable generators
-wind turbines eyesores

25
Q

Economic issues with energy

A

-Fossil fuel extraction expensive
-renewable energy expensive for consumer
-money needed for research

26
Q

What is water insecurity

A

Not having enough clean water

27
Q

What does water security depend on

A

Population, access to water, amount available

28
Q

Countries in water insecurity

A

Australia,India and Mexico

29
Q

Countries in water security

A

Canada,Brazil,Russia

30
Q

Physical factors effecting water availability

A

-Climate change (evaporation/rainfall
-geology impermeable/permeable rocks

31
Q

Economic factors effecting water availability

A

-Over abstraction
-limited infrastructure (more pipes/pumps needed)
-populated water sources

32
Q

Impacts of water insecurity

A

-Pollutions/disease
-reduced food production (irrigation uses water)
-conflict e.g Nile in Egypt

33
Q

Ways to increase water supply

A

-dams/reservoirs
-water diversion
-water transfer
-desalination

34
Q

Effects of dams and reservoirs

A

-Surplus times dam filers to use in times of deficit
-can cause conflict
-expensive

35
Q

What is water diversion

A

Dam to raise water level and redirected

36
Q

Effects of water diversion

A

-irrigated farmland /hydroelectric power
-less disruptive then other methods

37
Q

Example of water diversion

A

Arizona imperial dam diverts from Colorado to all American canal

38
Q

What is water transfer

A

Large engineering projects move from surplus to deficit

39
Q

Effects of water transfer

A

-Reduces water insecurity
-environmental/social/economic problems

40
Q

What is desalination

A

Removes salt from water

41
Q

Example of desalination

A

98% of Dubai’s water

42
Q

Effects of desalination

A

-Expensive
- powered by fossil fuels

43
Q

How to increase water conservation

A

-Fixing leaks(20% lost to leaks)
-water meters in homes(use 10% less water)
-drip pipes irrigate farmland

44
Q

How is groundwater management

A

-license needed to extract more then 20m3 a day
-shared agreements when water is shared

45
Q

How is groundwater management

A

-license needed to extract more then 20m3 a day
-shared agreements when water is shared

46
Q

How can water be recycled

A

-Piped to plants to decontaminate
-used for irrigation,toilets

47
Q

How could recycling effect water supplies

A

Increase supply by up to 27%

48
Q

What does groundwater management prevent

A

Over abstraction

49
Q

What is over abstraction

A

Using more water then can be replaced

50
Q

What is grey water

A

Recycled water used straight away

51
Q

Effects of grey water

A

-used for gardens and farmland
-conserves energy
-expensive to install
-can develop bacteria