This document discusses key concepts in urban geography including what defines an urban area, models of urban land use and development, factors that influence internal city structure, and patterns of segregation. It also examines world cities, functions of different types of cities, and political and economic forces that shape urban growth and change over time.
DOXIADIS
HUMAN SETTLEMENT AND PLANING
CONSTANTINOS APOSTOLOU DOXIADIS
THEORY OF EKISTICS
Minor shells- Micro-settlements- Meso-settlements- Macro-settlements-Ekistics Logarithm Scale:-
BY EVOLUNITARY PHASE
BY FACTOR AND DISCIPLINE
CASE STUDY: ISLAMABAD
Master Plan
Comparison of Land cover
CONCEPT OF CITY PLANNING
ROAD NETWORK & HIERARCHY
ROAD NETWORK & TRANSPORT
HOUSES AND STREET PATTERN
GRID SYSTEM
CURRENT CHALLENGES FACED BY THE CITY
Paper looks at the current status of cities and urbanization, issues faced by urban sector and suggest strategies to make cities more smart and sustainable.
urbanization , definition and causes, effects of urbanization on rural areas
impact of growing urbanization on urban life, health , housing and transportation ,
different types of migration and its impact on urban form
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Presentation looks at the context of inclusive cities, its relevance in the Indian context, problems faced by Indian cities and what are the options to make cities inclusive, and sustainable
DOXIADIS
HUMAN SETTLEMENT AND PLANING
CONSTANTINOS APOSTOLOU DOXIADIS
THEORY OF EKISTICS
Minor shells- Micro-settlements- Meso-settlements- Macro-settlements-Ekistics Logarithm Scale:-
BY EVOLUNITARY PHASE
BY FACTOR AND DISCIPLINE
CASE STUDY: ISLAMABAD
Master Plan
Comparison of Land cover
CONCEPT OF CITY PLANNING
ROAD NETWORK & HIERARCHY
ROAD NETWORK & TRANSPORT
HOUSES AND STREET PATTERN
GRID SYSTEM
CURRENT CHALLENGES FACED BY THE CITY
Paper looks at the current status of cities and urbanization, issues faced by urban sector and suggest strategies to make cities more smart and sustainable.
urbanization , definition and causes, effects of urbanization on rural areas
impact of growing urbanization on urban life, health , housing and transportation ,
different types of migration and its impact on urban form
Strategy and Options for Planning Inclusive CitiesJIT KUMAR GUPTA
Â
Presentation looks at the context of inclusive cities, its relevance in the Indian context, problems faced by Indian cities and what are the options to make cities inclusive, and sustainable
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6. Urban Geography focuses on
how cities function, their
internal systems and
structures, and the external
influences on them.
6
7. Two Sub-Fields of Urban Geography
The 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
10. Urbanized Areas are areas
where cities and towns are
located so close together that
political boundaries become
imaginary lines.
10
11. ⢠Contains a number of Physical
Metropolitan Cities
Area
⢠Operates as Integrated Whole
⢠Continuous
Development
Physical 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. Two Types of Metropolitan Areas
Metropolitan 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 â 50,000
⢠Outlying counties with significant social and
economic integration
13. ⢠Multiple cities that have grown together.
⢠Bosnywash
Megalopolis
⢠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.
16. Louis Wirth defined a city as
a permanent settlement that
has three characteristics:
Large Size, High Density, and
Social Heterogeneity
16
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.
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 Chanâan 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. 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. Function and Location of Ancient Cities
Centers 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.
24. A primate city is the largest
city in a state. It is generally
two or three times the size of
the second to largest and
represents a national culture.
24
25. Kyoto -
Old
Japan
Mexico
Primate Paris -
City -
Cities France
Mexico
London
-
England
29. A manufacturing city is a city
formed in the industrial
revolution. Many people
lived in tenements built for
workers. Roads were wider
for commercial traffic. Land
was separated into regular
sized lots.
29
35. A world city is a city whose
socioeconomics impact the
entire world.
35
36. Economic Characteristics
⢠Corporate headquarters for multinational corporations and financial institution
⢠Stock Exchanges
Political 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 Outlets
Infrastructure Characteristics
⢠Well developed transportation
⢠International Airport
⢠Prominent Skylines
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
44. Types of Jobs in a City
Basic â˘Production of goods
Sector and services for sale
Jobs outside of the city.
Non-
Basic â˘Goods and services for
Sector the inside city itself.
Jobs
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.
54. The rank-size rule says that
the nth largest city will be
1/n the size of the largest
city.
54
55. 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.
56. Does Not Work With:
⢠Countries with primate cities.
⢠Newly industrialized countries.
58. The central place theory is a
theory by Walter Christaller
that views urban settlements
as centers for the
distribution of economic
goods and services to non-
urban populations
58
59. Important Vocabulary
Central Place
⢠A settlement
Range
⢠The maximum distance people are prepared to travel.
Threshold
⢠Minimum number of people required for a good or service to stay alive
Low Order Goods
⢠Necessities (Bread)
Higher Order Goods
⢠Luxuries (Computer)
Sphere of Influence
⢠Area served and affected by a settlement
60. No
topographic
barriers
Purchase of
goods and No difference
services at in farm
the nearest productivity
center.
Assumptions
Different
An evenly
thresholds to
dispersed
support
farm
different
population
products
61. 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.
62. Why Not Another Shape?
Circles either
overlap or leave
out spaces.
64. Two Conclusions
Towns of the same size are evenly spaced.
Larger towns will be farther apart because their
market areas are larger.
Towns are part of an interdependent system.
Changing one hexagon adjusts the rest.
67. Accessibility
⢠Functions must be filled in spaces accessible to inhabitants
⢠Example: Early industrial cities
High 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.
69. 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.
70. 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.
71. 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
⢠Commuterâs Zone
72. Traits of the CZM
Zone 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 CBD
Zone Five
⢠Beyond the built up area of the city.
⢠People live in small towns and villages.
73. 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 Burgessâ model.
74.
75. 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.
79. Social Area Analysis is a study
that puts together
information from the census
tracts to create an overall
picture of how people are
distributed within an area.
79
80. People in higher social
Social 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 Hoytâs
number of people per Model
room.
81. Younger families live Older families live closer
farther from the city. to the city.
Age and
Marital Status
Much of these statistics
Young professionals live
are about how much
close to the city center.
space is needed.
82. The lack of another
28% of families are
income increases the
headed by one adult..
likelihood of poverty.
Gender
78% of all one-parent This is explained as
households are the feminization of
headed by women. poverty.
83. Explained best by the Ethnic and racial
multiple-nuclei groups tend to
model. cluster together.
Race and
Ethnicity
Black/white
Historical minorities
separation is highest
are often found living
in the Northeast and
together in ghettos.
Midwest.
86. Ghettoization is when forced
segregation limits residential
choices and confine a group
to older, lower-cost housing
near a cityâs center.
86
87. African-American Ghettoization
Early 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.
88. Blockbusting
⢠Selling houses in a
white
neighborhood for
Redlining 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
92. Cause for Zoning
It was considered inefficient and sometimes
unhealthy to locate different land uses in the
same area.
For example: Locating a chemical plant next to a
neighborhood.
93. Effects of Zoning
⢠Makes it difficult for poor residents to escape
their neighborhoods.
⢠Criticized because it interferes with the market
allocation of land.
94. 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. â attracting
middle class
families back
to the city.
95. Suburbanization
I. 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
96. Edge Cities
I. 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
âedge-cityâ
98. Edge cities â Suburban cities
that surround larger cities.
These have their own CBD
and city structures.
98
99. Chauncyâs Peripheral Model
An urban area consisting of an inner-city
surrounded by a large suburban residential and
business area.
The density gradient explains that as the
distance increases from the center, the density
of residents and houses decrease.
105. Upper class
residential
extends around
a sector from
the CBD
European
Cities
Crime exists
Wealthy live
largely in the
close to the city
Suburbs where
center.
the poor live.
106. 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 Disamenity
Sector is a stable Cities Elite Residential
slum area that Sector surrounds
radiates 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
âIn Situ Accretionâ
108. Part of
Wallersteinâs
Periphery
Huge cities
characterized by
Residential Zones
squatter
Based on Ethnicity
settlements on the
outskirts.
African City Model
Cities in the North
One model has
influeced by
three CBDs â
Islamic Tradition
Colonial, Open-Air,
(Mosque at the
Transitional
Center with a
Business
nearby Bazaar
South African cities
are largely
western.
109. Largely
Developed
by
Europeans
Asian
Cities
CBD is Western-
Styled
surrounded by
âalien
commercial
zonesâ