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AP Human Geography: Unit 7 - Urban Geography and Development

This is the Unit 6 - Urbanization power-point for AP Human Geography.

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AP Human Geography: Unit 7 - Urban Geography and Development

  1. 1. Unit 7: Cities and Urban Development 1
  2. 2. Defining UrbanismComparative Systems ofUrbanization Topics Cities Internal Cities
  3. 3. Part One: Key Concepts 3
  4. 4. A) Introduction 4
  5. 5. What is urban geography? 5
  6. 6. Urban Geography focuses on how cities function, their internal systems andstructures, and the external influences on them. 6
  7. 7. Two Sub-Fields of Urban GeographyThe Study of City Systems • Where cities are located and why. • An external view of how: • Cities influenced the landscape. • How they connect to one another. • How they are distributed.The Study of Internal Cities • The internal structure of cities. • Patterns of: • Land Use • Racial and Ethnic Segregation • Architectural Styles • Intracity Transportation • Cycles of Construction and Development
  8. 8. NucleatedUrbanAreasHave Non-Agricultural Jobs
  9. 9. What is an urbanized area? 9
  10. 10. Urbanized Areas are areas where cities and towns arelocated so close together that political boundaries become imaginary lines. 10
  11. 11. • Contains a number of PhysicalMetropolitan Cities Area • Operates as Integrated Whole • Continuous DevelopmentPhysical City • Contains a Central City and many nearby towns and cities. • The major city of an area.Central City • Contains the Central Business District (CBD)
  12. 12. Two Types of Metropolitan AreasMetropolitan Statistical Area• Central County with at least one urbanized area with a population of at least 50,000.• Outlying areas with a large number of commuting residents.Micropolitan Statistical Area• Central County with a population of 10,000 – 50,000• Outlying counties with significant social and economic integration
  13. 13. • Multiple cities that have grown together. • BosnywashMegalopolis • Boston, New York, Philadelphia, Baltimore, Washington D.C • Well Defined CBDs City • Suburbs with their own economic activity • Denham Springs • Contains more specialized serviced such as hospitals, or post offices. Town • Contains a Hinterland • Walker • Several dozen services that Village are more specialized. • Livingston. • Small cluster of houses Hamlet with a few basic services.
  14. 14. B) Social Characteristics of Urban Areas 14
  15. 15. What is Louis Wirth’s definition of a city? 15
  16. 16. Louis Wirth defined a city asa permanent settlement that has three characteristics:Large Size, High Density, and Social Heterogeneity 16
  17. 17. Large Size High Density Social• A resident can only • Specialized jobs Heterogeneity know so many allows many people • People in cities have people. to live in the same diverse• Most interactions place. backgrounds. are in passing. • A lot of people with • This diversity allows limited space can greater freedom in mean competition. cities. • Space issues also • It also contributes differentiates to isolationism. between rich and poor.
  18. 18. Part Two: Systems of Cities 18
  19. 19. A) Origin and Evolution of Cities 19
  20. 20. 10,000 Years Ago 1000 BCE• Neolithic Revolution • First major caused permanent Mediterranean settlements. settlements. 3000 BCE 202 BCE • Southwest Asia: Large • The city of Chan’an in scale farming and China was one of the agriculture caused largest in the world. societies to become more complex. • A surplus of food caused specialization to become possible.
  21. 21. The Role of Government in Ancient Cities:• As cities increased in complexity during the formative era between 4000 and 2000 BCE, the greater the need for a central government.• The rise of the earliest states are linked to the rise of cities.
  22. 22. Function and Location of Ancient CitiesCenters of Power• Cities were often headquarters for heads of state.Religious Centers• Priests and temples were often located in cities.Economic Centers• Most cities had markets for trade.Educational Centers• Cities included places and people to educate the urban elite.
  23. 23. What is a primate city? 23
  24. 24. A primate city is the largest city in a state. It is generallytwo or three times the size of the second to largest andrepresents a national culture. 24
  25. 25. Kyoto - Old JapanMexico Primate Paris - City - Cities FranceMexico London - England
  26. 26. What is a mercantile city? 26
  27. 27. A mercantile city is a citywhere trade is central to its design. These werestimulated by trade routes. 27
  28. 28. What is a Manufacturing City? 28
  29. 29. A manufacturing city is a city formed in the industrial revolution. Many people lived in tenements built for workers. Roads were widerfor commercial traffic. Land was separated into regular sized lots. 29
  30. 30. B) Rural-Urban Migration and Urban Growth
  31. 31. 31
  32. 32. What are some pull factors that would cause people to move to cities? Pull factors?
  33. 33. C) World Cities and Megacities
  34. 34. What is a world city? 34
  35. 35. A world city is a city whosesocioeconomics impact the entire world. 35
  36. 36. Economic Characteristics• Corporate headquarters for multinational corporations and financial institution• Stock ExchangesPolitical Characteristics• Active influence on international events.• A large population within the city• Hosting headquarters for international entities (NATO, World Bank)Cultural Characteristics• First Name Familiarity• Renowned Cultural Institutions• Large Media OutletsInfrastructure Characteristics• Well developed transportation• International Airport• Prominent Skylines
  37. 37. New York London City Tokyo Paris Hong Kong
  38. 38. What is a mega city? 38
  39. 39. A mega city is a city whosepopulation is greater than 10 million people. There are over 25 of them today. 39
  40. 40. Top 5 MegacitiesTokyo, JapanMexico City, MexicoSeoul, South KoreaNew York City, USASao Paulo, Brazil
  41. 41. D) Functions of Cities
  42. 42. Types of Cities Transportation Special Function Multi-Functional Center Cities Cities• A place where • Mining, • Do a number major routes Recreation, of activities converge. Manufacturing based on the needs of the population Central Places
  43. 43. E) The Economic Base of a City
  44. 44. Types of Jobs in a City Basic •Production of goodsSector and services for sale Jobs outside of the city. Non- Basic •Goods and services forSector the inside city itself. Jobs
  45. 45. How economists compare cities:Workers in Basic Sector : Workers in N.Basic Sector 1. Larger cities have a larger ratio of N.Basic Workers to Basic Workers. 2. Eventually a multiplier effect occurs: for every 1 basic-job you may have 3 non-basic jobs.
  46. 46. Manufacturing Cities Chauncy Harris’ Types of CitiesDiversified Retail Centers Cities
  47. 47. What is an urban influence zone? 47
  48. 48. An urban influence zone isthe area around a city that is affected by it. 48
  49. 49. F) The Changing City
  50. 50. The Sail Wagon Epoch• 1790 – 1830The Iron Horse Epoch• 1830 - 1870The Steel-Rail Epoch• 1870 – 1920The Auto-Air-Amenity Epoch• 1920s – 1960s
  51. 51. F) Models of Urban Systems
  52. 52. What is the rank-size rule? 53
  53. 53. The rank-size rule says that the nth largest city will be 1/n the size of the largest city. 54
  54. 54. For Example:• The second largest city will be ½ the size of the first ranked city, third largest will be 1/3 the size of the first ranked city, etcetera.
  55. 55. Does Not Work With:• Countries with primate cities.• Newly industrialized countries.
  56. 56. What is the central-place theory? 57
  57. 57. The central place theory is a theory by Walter Christallerthat views urban settlements as centers for the distribution of economic goods and services to non- urban populations 58
  58. 58. Important VocabularyCentral Place • A settlementRange • The maximum distance people are prepared to travel.Threshold • Minimum number of people required for a good or service to stay aliveLow Order Goods • Necessities (Bread)Higher Order Goods • Luxuries (Computer)Sphere of Influence • Area served and affected by a settlement
  59. 59. No topographic barriersPurchase of goods and No difference services at in farmthe nearest productivity center. Assumptions Different An evenly thresholds to dispersed support farm different population products
  60. 60. 1) The landscape is divided into non-competing market areas called complementary regions.2) The market areas form a series of hexagons that cover the area.3) The central place is at the center of each hexagon and supplies goods and services to the consumer in that area.4) The size of the market area is based on the number of goods and services offered.
  61. 61. Why Not Another Shape? Circles either overlap or leave out spaces.
  62. 62. Within each hexagonlie smaller hexagonswith central placesthat serve smallerareas.
  63. 63. Two ConclusionsTowns of the same size are evenly spaced.Larger towns will be farther apart because theirmarket areas are larger.Towns are part of an interdependent system.Changing one hexagon adjusts the rest.
  64. 64. Part Three: Internal Cities 65
  65. 65. A) Factors of City Development
  66. 66. Accessibility• Functions must be filled in spaces accessible to inhabitants• Example: Early industrial citiesHigh Cost of Space• The limited size of cities creates a premium on land prices.Transportation• Development often occurs along transportation lines.• The most expensive land has the most access to transportation lines.Societal and Cultural Needs• While economics is important, other needs such as the need for schools, churches, etcetera can determine city models.
  67. 67. B) Models of Urban Land Use
  68. 68. Introduction• Three models help describe city development within the United States:• The Concentric Zone Model, Sector Model, and Multiple Nuclei Model were all developed in Chicago as the city developed.• All models have a CBD.
  69. 69. Concentric Zone Model• Developed by E.W. Burgess in 1923.• Views cities as growing outward from a central area in a series of rings.• Dynamic model where inner rings invade the spaces of rings farther out. Neighborhoods go through a process of invasion and succession where the poorer class moves wealthier residents away from the inner city.
  70. 70. Concentric Zone Zone One • Central Business District Model Zone Two • Zone in Transition Zone Three • Independent Worker Homes Zone Four • Zone of Better Residences Zone Five • Commuter’s Zone
  71. 71. Traits of the CZMZone One• Nonresidential areas are concentrated.• Few residences exist.• Property Costs are high.Zone Two• Contains light industry and housing for the poor• Houses once occupied by the wealthy now abandoned or bought by the poorer class.• Owners looking for cheaper land.Zone Three• Working Class homes• Less expensive homes.Zone Four• Middle Class Residences• Residents can afford the cost of travel into the CBDZone Five• Beyond the built up area of the city.• People live in small towns and villages.
  72. 72. The Sector Model• Developed by Homer Hoyt in 1939.• The city develops in a series of sectors.• As a city grows areas grow out from the center like wedges.• The wealthy are still pushed from the inside to the outside as in Burgess’ model.
  73. 73. The Multiple-Nuclei Model• Developed by C.D. Harris and E.L. Ullman• Large cities develop by spreading from several nodes.• Individual nodes have special functions.
  74. 74. C) Patterns of Class, Age, Gender, Race, and Ethnicity
  75. 75. What is social-area analysis? 78
  76. 76. Social Area Analysis is a study that puts togetherinformation from the census tracts to create an overall picture of how people are distributed within an area. 79
  77. 77. People in higher socialSocial class is measured classes by homes that by income, education, are larger and with and occupation. people of similar status. Social Class Social class can be determined by the Best shown in Hoyt’snumber of people per Model room.
  78. 78. Younger families live Older families live closer farther from the city. to the city. Age and Marital Status Much of these statisticsYoung professionals live are about how muchclose to the city center. space is needed.
  79. 79. The lack of another 28% of families are income increases theheaded by one adult.. likelihood of poverty. Gender78% of all one-parent This is explained as households are the feminization of headed by women. poverty.
  80. 80. Explained best by the Ethnic and racial multiple-nuclei groups tend to model. cluster together. Race and Ethnicity Black/white Historical minorities separation is highestare often found living in the Northeast and together in ghettos. Midwest.
  81. 81. D) Ghettoization
  82. 82. What is ghettoization? 85
  83. 83. Ghettoization is when forcedsegregation limits residentialchoices and confine a groupto older, lower-cost housing near a city’s center. 86
  84. 84. African-American GhettoizationEarly Southern Classic Southern Early Northern Classic Northern• Pre Civil-War • After emancipation • With the migration • Often surrounds• Confined to small • Houses on to the North in the the CBD houses in alleys undesirable land early 20th century. • Contained by white and back streets. such as • Ended up in high- communities that• Close to the white swampland. density housing resist blacks community • Far enough away near the CBD. moving into the because of slave from whites for area. jobs. total segregation. • This tendency overcrowds the ghetto adding to the problems.
  85. 85. Blockbusting • Selling houses in a white neighborhood forRedlining a low price. Racial Steering• Refusing to give • Showing houses loans to low- to whites in black income housing. neighborhoods and vice versa. Practices of Ghettoization
  86. 86. E) Political Organization and Urban Planning
  87. 87. What is zoning? 90
  88. 88. Zoning encourages spatialseparation by preventing mixing of land use in the same district. 91
  89. 89. Cause for ZoningIt was considered inefficient and sometimesunhealthy to locate different land uses in thesame area.For example: Locating a chemical plant next to aneighborhood.
  90. 90. Effects of Zoning• Makes it difficult for poor residents to escape their neighborhoods.• Criticized because it interferes with the market allocation of land.
  91. 91. City Planning Councils of Smart Growth Urban renewal Government• Produce a • Renovation of • Trying to unify pattern of inner-city governments controlled housing. in urban development. • Causes sprawl.• Protects gentrification green spaces. – attracting middle class families back to the city.
  92. 92. SuburbanizationI. Suburbs began expanding prior to WWII with the growing popularity of cars.II. After WWII this growth increased exponentially because of: I. The interstate system II. G.I. Bill III. Demand for new homes
  93. 93. Edge CitiesI. While the suburbs expanded, city services did not follow. As a result, business had to follow instead.II. This movement of business to the suburbs led to businesses such as chain stores and megastores.III. Eventually, these suburbs chose not to pay city taxes and instead created their own ‘edge-city’
  94. 94. What is an edge city? 97
  95. 95. Edge cities – Suburban cities that surround larger cities. These have their own CBD and city structures. 98
  96. 96. Chauncy’s Peripheral ModelAn urban area consisting of an inner-citysurrounded by a large suburban residential andbusiness area.The density gradient explains that as thedistance increases from the center, the densityof residents and houses decrease.
  97. 97. What is urban sprawl? 100
  98. 98. Urban Sprawl– Theprogressive development of suburban areas. 101
  99. 99. Wastes Agricultural Land Problems with Sprawl Requires a lot ofWastes Energy transportation expenses
  100. 100. Greenbelts• In Europe the growth of sprawl is restricted by greenbelts around cities – areas where houses cannot be built.
  101. 101. Part Four: Comparative Urbanization 104
  102. 102. Upper class residential extends around a sector from the CBD European Cities Crime exists Wealthy live largely in the close to the citySuburbs where center. the poor live.
  103. 103. The CBD is separated into a Market Sector and High Rise Sector Outermost ring is a A commercial spine squatter runs from the CBD settlement. Latin American The DisamenitySector is a stable Cities Elite Residential slum area that Sector surroundsradiates from the the spine. CBD. Around the middle- class homes is a ring of modest Around the Elite housing that are the middle class transitions to homes. poverty. Known as “In Situ Accretion”
  104. 104. Latin-America City Model
  105. 105. Part of Wallerstein’s Periphery Huge cities characterized byResidential Zones squatterBased on Ethnicity settlements on the outskirts. African City Model Cities in the North One model has influeced by three CBDs – Islamic TraditionColonial, Open-Air, (Mosque at the Transitional Center with a Business nearby Bazaar South African cities are largely western.
  106. 106. LargelyDeveloped byEuropeansAsianCitiesCBD is Western- Styled surrounded by “alien commercial zones”

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This is the Unit 6 - Urbanization power-point for AP Human Geography.


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