infilling
The use of vacant land and property within a built-up area for further construction or development
suburbanization of business
The slow but steady movement of businesses to the suburbs to take advantage of a large labor force
high-density housing
there is a high density of dwellings per unit area of property
medium-density housing
there is a medium density of dwellings per unit area of property
low-density housing
there is a smaller density of dwellings per unit area of property
filtering
A process of change in the use of a house, from single-family owner to abandonment
residential density gradient
The change in density in an urban area from the center to the periphery
McGee model
southeast Asian model
residential zones
The areas of the city devoted to where people live rather than a commercial or industrial functions
urban planning
planning for the infrastructure of a city
zoning ordinances
Specific regulations that outline the requirements and restrictions within each zone set by zoning laws
periodic markets
When small vendors from all around meet up at a certain location to sell goods sometimes weekly and sometimes annually (Farmers Market)
shanty town/informal settlement
Unplanned slum development on the margins of cities, dominated by crude dwellings and shelters made mostly of scrap wood, iron, and even pieces of cardboard
periferico
A peripheral area beyond the ring highway that contains squatter settlements
griffin-ford model
latin American model
suq
an Arab market or marketplace
colonial CBD
A city that was deliberately established or developed as an administrative or commercial center by colonial or imperial powers
citadel
a strong castle in or near a city, where people can shelter from danger, especially during a war
traditional CBD
pre-colonial, small vendors, narrow streets
galactic city model
represents a city with growth independent of the CBD that is traditionally connected to the central city by means of an arterial highway or interstate
peripheral model
describes how economic, political, and social conditions influence spatial patterns in urban areas where an inner city is surrounded by large suburban residential areas
municipality
A city or town that has corporate status and local government
annexation
internationally legal addition of new territory into an existing state
bedroom communities
a commuter suburb
unincorporated areas
areas that do not fall within the legal boundary of a city or municipality
public transportation
buses, trains, subways, and other forms of transportation that charge set fares, run on fixed routes, and are available to the public
sustainability
an approach to growth that meets present needs without compromising the ability of future generations to meet their own needs
smart growth policies
an urban planning approach that aims to create compact, walkable, and mixed-use communities
market area/hinterland
the area surrounding a service from which customers are attracted
gravity model
provides an estimate of the volume of flows of, for example, goods, services, or people between two or more locations
lower-order services
Services that are obtained on a regular basis and require a small area to be profitable
higher-order services
Service that is required less frequently and requires a large market area to remain profitable.
conurbation
a region comprising a number of metropolises, cities, large towns, and other urban areas which, through population growth and physical expansion, have merged to form one continuous urban or industrially developed area
meta cities
urban areas with over 20 million people
reurbanization
The growth in population in metropolitan central cores, following a period of absolute or relative decline in population
counter-urbanization (deurbanization)
the process by which a significant portion of the population of an urban center starts to migrate away from the city to live in suburbs or rural areas
decentralization
the tendency of people or businesses and industry to locate outside the central city
slow growth cities
urban communities where the planners have put into place smart growth initiatives to decrease the rate at which the city grows horizontally to avoid the adverse affects of sprawl
New Urbanism (new urban design)
seeks to encourage local community development and sustainable growth in an urban area. Advocates would argue for greater accessibility for pedestrians in cities and a reduced dependency on cars and highways
mixed-use neighborhoods (mixed land use)
combines residential, commercial, cultural, or institutional functions into a building, block, or neighborhood
transit-oriented development (TOD)
a planning approach where residential, commercial, and recreational areas are designed to maximize access to public transportation
walkability
ability to get places by foot
boomburbs
rapidly growing (double-digit growth) suburban cities with a population greater than 100,000
sprawl
the expansion of cities and urban areas into surrounding rural or undeveloped land
leap-frog development
occurs when developers skip over land to obtain cheaper land further away from cities, thus, leaving huge areas empty between the city and the new development
streetcar suburbs
a residential community whose growth and development was strongly shaped by the use of streetcar lines as a primary means of transportation
pedestrian cities
Cities shaped by the distances people can walk
Borchert's transportation model
focuses on the development of cities in relation to the development of transportation and communication
Sail-Wagon Epoch (1790–1830), cities grow near ports and major waterways which are used for transportation;
Iron Horse Epoch (1830–70), characterized by impact of steam engine technology, and development of steamboats and regional railroad networks;
Steel Rail Epoch (1870–1920), dominated by the development of long haul railroads and a national railroad network;
Auto-Air-Amenity Epoch (1920–70), with growth in the gasoline combustion engine;
High-Technology Epoch (1970–present), expansion in service and information sectors of the economy
social heterogenity
groups where members have diverse characteristics such as differing races, religions, languages or socioeconomic statuses
nodal/functional region
An area organized around a central focal point or node
micropolitan statistical area
an urbanized area of between 10,000 and 50,000 inhabitants
population composition
the characteristics of a population. This can be age, gender, race, and occupation
livability
All the characteristics of a community that contribute to the quality of life of the people who live there
census block
the smallest geographic area for which the Bureau of the Census collects and tabulates decennial census data
eminent domain
the power of federal, state, and local governments to acquire land from private landowners and convert it to public use or to a use with public benefit
urban renewal
where cities remove residents from low income areas and rebuild the area to attaract higher income residents
scattered site
The technique of scattering small public housing projects throughout a troubled area in order to reduce likelihood of crime and other problems
inclusionary zoning
municipal and county planning ordinances that require or provide incentives when a given percentage of units in a new housing development be affordable by people with low to moderate incomes
affordability
the ability to afford resources
informal settlements
area in a city that is less developed; where people live on land illegally and build homes
land tenure
The legal rights, as defined by a society, associated with owning land
disamenity zone
The very poorest parts of cities that in extreme cases are not connected to regular city services and are controlled by gangs and drug lord
zones of abandonment
a disamenity zone where all people have left the area because they chose a better living area
environmental injustice (environmental racism)
The ways in which communities of color and poor people are more likely to be exposed to environmental burdens such as air pollution or contaminated water
gated communities
housing developments that are fenced off and monitored for security
urban canyon
A place where the street is flanked by buildings (usually sky scrapers) on both sides, creating an environment similar to that of a canyon
rush hour
The four consecutive 15-minute periods in the morning and evening with the heaviest volumes of traffic
urban wildlife
native animals have no habitat, urban wildlife spreads disease and can be a nuisance, feral populations can be dangerous or upset the ecological balance.
suburban sprawl
the spread of suburbs, or suburban areas, into surrounding rural land
ecological footprint
impact of a person or community on the environment, expressed as the amount of land required to sustain their use of natural resources
brownfields
a property that is potentially contaminated by hazardous substances, pollutants, or contaminants; are often abandoned or underused industrial or commercial properties that may pose a risk to human health and the environment
urban redevelopment
involves renovating a site within a city by removing the existing landscape and rebuilding from the ground up
city-state
A small sovereign state that is made up of a town or city and the surrounding area
percent urban
indicator of the proportion of the population that lives in cities and towns as compared to those that live in rural areas
settlement
A permanent collection of buildings and inhabitants
exurbs
residential, prosperous, but rural areas beyond the suburbs
suburbs
residential areas located outside the urban core of a city but within commuting distance
urban
The built up area in and around a city
rural
Sparsely settled places away from the influence of large cities
ecumene
land that is permanently populated by human society
Agglomeration
Grouping together of many firms from the same industry in a single area for collective or cooperative use of infrastructure and sharing of labor resources. Ex: Cells
Bid-Rent Theory
How the price and demand on real estate changes as the distance towards the Central Business District increases. Ex: Stores
Blockbusting
A process by which real estate agents convince white property owners to sell their houses at low prices because of fear that persons of color will soon move into the neighborhood. Ex: 1950's
CBD
The downtown heart of the central city, the CBD is marked by high land values, a concentration of business and commerce, and the clustering of the tallest buildings. Ex: Skyscrapers
Census Tract
Small country subdivisions delineated by the US Census Bureau as areas of relatively uniform population characteristics, economic status, and living conditions. Ex: 2,500 to 8,000 persons
Commuter Zone
The outer most zone of the Concentric Zone Model that represents people who choose to live in residential suburbia and take a daily commute in the CBD to work. Ex: Emigrants
Deindustrialization
Process by which companies move industrial jobs to other regions with cheaper labor. Ex: 1970's
Economic Base
A community's collection of basic industries. Ex: Wealthy
Edge City
A large node of office and retail activities on the edge of an urban area. Ex: U.S.
Entrepot
A port where merchandise can be imported and re-exported without paying import duties. Ex: India
Favela (barrio)
Slum-like communities. Ex: Brazil
Female-Headed Household
A household dominated by a woman.
Gateway City
Cities that act as ports of entry and distribution centers for large geographic areas. Ex: San Francisco
Gentrification
A process of converting an urban neighborhood from a predominantly low-income renter-occupied area to a predominantly middle-class owner-occupied area. Ex: California
Ghetto
A section of a city occupied by members of a minority group who live there because of economic or social pressures. Ex: Europe
Global Cities
A term for mega-cities that emphasizes their global impact as centers of economic, political, and social power. Ex: Money
Globalization
The trend toward increased cultural and economic connectedness between people, businesses, and organizations throughout the world. Ex: Communication
Greenbelt
A ring of land maintained as parks, agricultural, or other types of open space to limit the sprawl of an urban area. Ex: Farms
High-Tech Corridors
An area along a limited-access highway that houses offices and other services associated with high-tech industries. Ex: Silicon Valley
Hinterland
The market area surrounding an urban center, which that urban center serves. Ex: Boondocks