Download - Urban Processes
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Urban Processes
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Inward Movement (Centripetal)Rural to urban migration, gentrification, re-urbanisation, urban renewal
Urban Processes can be seen as inward and outward movements
Outward Movement (Centrifugal)Suburbanisation, urban sprawl, counter-urbanisation
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Urbanisation
Suburbanisation
Counter -urbanisation
Re - urbanisation
Urban Processes
Sustainable city?
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Urbanization is the increase in the percentage of a
population living in settlements which could be classified as urban
areas.
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Reasons for Urbanisation
• Countries reach stage 2/3 of DTM• Natural increase in population• Rural to urban migration (push/pull factors,
obstacles/barriers, Stepwise model, Zelinsky’s model, Lee’s Model, Turners model)
• Industrialisation
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Urbanisation
• Leads to urban growth (the expansion of cities)• Primate cities • “Centres of production”• Need for housing, and other urban services• Informal sector, public housing• Now mainly LEDCs and NICs
Definition – Urban growth is the growth of cities in terms of size of land area and population.
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Suburbanization is the increase in the numbers
of people living in the residential areas near the edge of the city (suburbs)
leading to the outward growth of urban areas.
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Reasons for suburbanisation
• Rapid urban growth leads new residential areas being built in suburbs
• Social problems and overcrowding in inner city areas cause richer people to move to suburbs
• Improving public transport• Linked to de-industrialization such as
shipbuilding, warehouses or factories closing
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Suburbanisation
• Urban sprawl• Separate smaller settlements
merge into larger multi-centric conurbations
• Pressure on rural/urban fringe• Increased segregation• A vicious circle of decline in inner
city areas. “Donut cities”
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Counterurbanization is the movement away
from the urban centres to smaller towns and cities or rural areas
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Reasons for counter-urbanisation
• Increased car ownership• Increased wealth• De-industrialisation• Relocation of industry/employment to rural urban
fringe• Desire for safe, pleasant environment, the rural
ideal/utopia• Perception of urban areas as dangerous, high levels
of crime, racial/ethnic problems – ‘white flight’• Change in tenure from public/renting to private
ownership. Sell property and move out.
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Counter-urbanisation• People move to satellite settlements within the
city’s sphere of influence• Increased numbers of people commuting to work
in the city• Increased car use• Transport triangle becomes bigger• Rural areas become suburbanised• Rural areas can become commuter /dormitory
settlements• Rural areas within a city’s sphere of influence
can develop
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Transport triangle
WORK
HOME LEISURE
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Reason for re-urbanisation
• Parts of urban areas which have declined but still have an intrinsic value because of centrality or quality of housing stock attract people
• Government sees urban decline as a problem and invests money to regenerate an area
• Prestige project – Olympics• Tertiary sector increases, restaurants, nightclubs
and retailing attracting people
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Re-urbanisation• Cities become “centres of consumption”• Gentrification – Richer people moving into poorer
areas• Run-down derelict parts of cities can be
redeveloped• Increased economic activity within cities• Cities reinvent themselves as exciting vibrant
places to live
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Sustainable city• Maintain population, particularly economically
active people. Develop human resources.• Economic growth. • Infrastructure and urban services.• Quality of life.• Environmental impact. Ecological footprint.• Circular metabolism.• Green design and architecture.• Energy efficiencies. Carbon neutral city. (Masdar)