model that suggests that African cities have more than one CBD, which is a remanence of colonialism
Annexation
Legally adding land area to a city in the United States
Bid rent theory
geographical economic theory that refers to how the price and demand on real estate changes as the distance towards the Central Business District (CBD) increases.
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
Boomburbs
rapidly growing city that remains essentially suburban in character even as it reaches populations more typical of a large city
built area (landscape)
an area of land represented by its features and patterns of human occupation and use of natural resources
Central Business District (CBD)
The area of a city where retail and office activities are clustered.
Central Place Theory
A theory that explains the distribution of services, based on the fact that settlements serve as centers of market areas for services; larger settlements are fewer and farther apart than smaller settlements and provide services for a larger number of people who are willing to travel farther.
Census tract
An area delineated by the U.S. Bureau of the Census for which statistics are published; in urbanized areas, census tracts correspond roughly to neighborhoods.
City State
a city that with its surrounding territory forms an independent state.
Concentric zone model
A model of the internal structure of cities in which social groups are spatially arranged in a series of rings.
Conurbation
a continuous, extended urban area formed by the growing together of several formerly separate, expanding cities
density gradient
The change in density in an urban area from the center to the periphery.
disamenity zones
areas not connected to city services and under the control of drug lords and gangs
edge city
A large node of office and retail activities on the edge of an urban area.
eminent domain
Power of a government to take private property for public use.
Exurbanization
The movement of households from urban areas to locations outside the urban area but within the commuting field
Filtering
a process of change in the use of a house, from single-family owner occupancy to abandonment
Food desert
An area in a developed country where healthy food is difficult to obtain
Galactic model
A model of North American urban areas consisting of an inner city surrounded by large suburban residential and business areas tied together by a beltway or ring road.
Gateway city
Cities that, because of their geographic location, act as ports of entry and distribution centers for large geographic areas.
Genrification
Rich people moving into an area and improving it.
Gravity Model
A model that holds that the potential use of a service at a particular location is directly related to the number of people in a location and inversely related to the distance people must travel to reach the service.
Greenbelts
A ring of land maintained as parks, agriculture, or other types of open space to limit the sprawl of an urban area.
Infilling
The process by which population density in an urban centre is increased by building on waste land or underused land.
Latin America city Model
Business in the center, people live around the center, poor people outside.
Metropolitan Statistical Area (MSA)
In the United States, a central city of at least 50,000 population, the county within which the city is located, and adjacent counties meeting one of several tests indicating a functional connection to the central city.
Megacities
cities with more than 10 million people
Megalopolis
A very large city
Metacities
A new term used to describe cities that have 20 million or more people
mixed-use neighborhoods
Zoning that has a mix of homes and businesses with a variety of sizes and price ranges.
Multiple nuclei model
A model of the internal structure of cities in which social groups are arranged around a collection of nodes of activities.
New urbanism
Outlined by a group of architects, urban planners, and developers from over 20 countries, an urban design that calls for development, urban revitalization, and suburban reforms that create walkable neighborhoods with a diversity of housing and jobs.
Planned communities
any community that was carefully planned from its inception and is typically constructed in a previously undeveloped area
Primate city
The largest settlement in a country, if it has more than twice as many people as the second-ranking settlement.
Public housing
Housing owned by the government; in the United States, it is rented to low-income residents, and the rents are set at 30 percent of the families' incomes.
Range
the difference between the highest and lowest scores in a distribution
Rank size rule
A pattern of settlements in a country, such that the nth largest settlement is 1/n the population of the largest settlement.
Redlining
A process by which banks draw lines on a map and refuse to lend money to purchase or improve property within the boundaries.
Reurbanization
growth of population in metropolitan central cores, following a period of absolute or relative decline in population