urbanisation Flashcards

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1
Q

what is urbanisation?

A

the process of urban growth that results in a greater proportion of a country’s population living in town’s and cities

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2
Q

how does urbanisation occur?

A

rural-urban migration

natural increase

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3
Q

what are the features of rural areas?

A

-lower pop. density-
less jobs available-
disparity of wealth-
bigger houses-

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4
Q

land uses of rural areas

A
  • agricultural
  • pasture
  • woodland
  • countryside
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5
Q

features MEDCs

A

industrial revolution:people looking for reliable work in factories
demand for labour in shipyards and mines

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6
Q

accessibility

A

how easily a place can be reached

how easy it is for people to obtain goods and services such as healthcare

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7
Q

brownfield site

A

land that has previously been used

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8
Q

congestion

A

overcrowding

high density of people or traffic

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9
Q

counterurbanissation

A

people moving from major cities to the countryside

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10
Q

environmental quality

A

the degree to which a place is free from air, water and visual pollution

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11
Q

ethnic group

A

a group of people united by a common characteristic such as a race, language or religion

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12
Q

greenfield site

A

land that has not been used for urban development

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13
Q

land value

A

the price which people or businesses are prepared to pay for a piece of land

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14
Q

megacity

A

a city with a population over 10 million

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15
Q

poverty

A

where people are seriously lacking food, water, housing, income and basic services

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16
Q

shanty town

A

an area of slum housing built of salvaged materials

located on city edge or on hazardous ground

17
Q

social deprivation

A

when the well being and quality of life of people falls below a certain level

18
Q

social segregation

A

the clustering together of people with similar characteristics into separate residential areas

19
Q

socio- economic group

A

a group of people sharing the same characteristics such as income level, type of employment and class

20
Q

suburbanistion

A

outward spread of an urban area often at lower densities compared to the old part of a town or city

21
Q

urban regeneration

A

revival of old urban areas by either improving what is there or clearing it away and rebuilding

22
Q

urban reimaging

A

changing the image of an urban area and the way people view it

23
Q

urban managers

A

people who make important decisions affecting urban areas such as planners, politicians and developers

24
Q

problems of rapid urbanisation

A

education-many children work to help to support their family or because of the cost/lack of schools
employment-many people are unemployed/ part of informal sector selling goods e.g. cleaners, food; work is often far away
social problems-people live close together; poor conditions; violent street gangs; high crime rates drug trafficking
Housing-housing is expensive relative to people’s wages; most sought after housing is close to centre; many live in shanty towns or squatter settlements
access to water and electricity- limited supply of electricity and waterfires for cooking and heating; polluted steams for water and sewage disposal
traffic congestion- transport systems overloaded and overcrowded;large amount of vehicles causes high levels of atmospheric pollution
Health- diseases spread quickly due to lack of doctors, clinics or hospitals

25
Q

planning conflict

A

environment:
-Loss of habitats
- more pollution eg. air, light and noise
Jobs and economy:
+ Business leaders attracted(positive multiplier effect)
+Jobs created- can damage local high street

26
Q

environmental problems caused by rapid urbanisation

A

Habitat destruction- Mumbai’s mangroves are being cut down(90 % reduction in past 100 years)
-clear lands for slums
- deforestation to clear land for shanty towns, for firewood and on the edge of citieswater scarcity:
-The rate of pollution growth outstrips the ability to develop infrastructure. many places lack access to mains water
- In mumbai, water pipes in Dharavi are only active for 2 hours a day
- Mexico City has sunk by 7 metres since 1900 because so much water has been taken from the aquifer. many neighbourhoods rely on water trucks.
Water pollution- water courses used as disposal areas for rubbish, industrial waste and human sewage
- river mithi in mumbai has been poisened, whilst the city’s mangrove swamps-an important defence against monsoon floods- are being killed off by toxins in the watertraffic congestion
- In mumbai cars, lorries, scotters, rickshaws, bicycles and donkeys all jostle for space on the road- a problem faced by all big cities, but arguably worse in lic cities, despite lower rates of car ownership- many of the vehicles have old inefficient exhaust systems and run on low grack petrol, leading to high levels of air pollution. This is made worse by industrial emissions

27
Q

squatter settlements

A

problems:
- Natural hazards
- landslides destroy the favelas clinging to rio de Janeiro’s steep slopes
- overcrowded - 1 million in 1 square mile in dharavi
- lack of basic amenities in dwellings - running water, electricity, flushing toilets-
raw sewage mixes with industrial waste in the street
- no refuse collection, so streets become filled with rubbish
- breading ground for disease high rates of diarrhoea, typhoid and cholera
- high infant mortality rates- babies vulnerable to disease
- limited access to health care and education
- some children have to work instead of going to school
- operate below radar of authorities, and some become controlled by drug lords and gangs, with very high crime rates

28
Q

what are squatter settlements

A
  • called different names in different places- favelas in brazil, bidonvilles in North Africa and slums in mumbai
  • Global average of 45% of lic city residents live in shanty towns
  • unplanned,unregulated, illegal squatter settlements
  • the residents have no right to live on the land
  • built on land no on else wants- steep slopes, flood prone land, near polluting industries or landfill sites
  • dwellings made from any material available - wood, corregated iron, tarpaulins
29
Q

employment

A
  • there are not nearly enough jobs in the formal sector of the economy
  • regular wages in factories and offices for all immigrants
  • this has led to the development of the informal sector
  • shanty town dwellers create a job for themselves. wages are poor.
  • shanty town dwellers are very opportunistic when it comes to work