L16 - Urbanization and Urban Spaces

L16 - Urbanization and Urban Spaces - Urbanization and...

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Main Title Subtitle Urbanization and Urban Spaces Geography of Developing Countries José D. De León, PhD Student Instructor
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Urbanization in the Developing World • Difficult to generalize about this topic due to history, geography. • What defines an urban area?
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Urban Area • … a geographical area constituting a city or town? • Well, let’s say yes! But we need to be more specific… – Relatively higher population density and vast human features in comparison to areas surrounding it. • … but urban areas may be cities, towns or conurbations. • At least the term is not commonly extended to rural settlements such as villages and hamlets. • The problem is the (geographically) different numerical definitions.
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Urban Area • The function may be as complex as: U = f (L, D, E) where U = urban L = Land Use D = Density E = Employment (mainly nonagricultural)
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Urban Area: The U.S. case • Let’s have a reference line, using the U.S. as an example: – The U.S. Census Bureau defines an urban area as: "Core census block groups or blocks that have a population density of at least 1,000 people per square mile (386 per square kilometer) and surrounding census blocks that have an overall density of at least 500 people per square mile (193 per square kilometer)." • Urban Clusters: urban areas under 50,000 people • Urbanized Areas: urban area of 50,000 or more people
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Urban Areas: The China case • In China, an urban area is an urban district, city and town with a population density higher than 1,500 people per square kilometers. – If there is an urban districts with < 1,500 people per square kilometer, urban population is only counted in people that lives in streets, town sites, and adjacent villages
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Urban Areas: The India case • In the Census of India 2001, the definition of urban area adopted is as follows: – (a) All statutory places with a municipality, corporation, cantonment board or notified town area committee, etc. – (b) A place satisfying the following three criteria simultaneously: • i) a minimum population of 5,000; • ii) at least 75 per cent of male working population engaged in non-agricultural pursuits; and • (ii) a density of population of at least 400 per sq. km. (1,000 per sq. mile).
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2010
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L16 - Urbanization and Urban Spaces - Urbanization and...

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