Model that describes urban environments as a series of rings radiating out from a central core, or central business district.
Ex: Chicago
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Urban Renewal
Front
Program in which cities identify blighted inner-city neighborhoods, acquire the properties from private members, relocate the residents and businesses, clear the site, build new roads and utilities, and turn the land over to private developers.
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Disamenity Sector
Front
The very poorest parts of cities that in extreme cases are not even connected to regular city services and are controlled by gangs or drug lords.
Ex: Also known as barrios in Spanish-speaking countries or favelas in Brazil
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Zoning Laws
Front
Legal land restrictions that dictate how property owners can and cannot use their land
Ex: Often restrict the types of building and economic activities that can happen
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Public housing
Front
Housing owned by the government; in the United States, it is rented to low-income residents.
Ex: Apartments
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Underclass
Front
what inner-city residents are frequently referred to as because they are trapped in an unending cycle of economic and social problems
Ex: Low-income families
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Shantytowns
Front
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.
Ex: Cape Town
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New Urbanism
Front
A movement in urban planning to promote mixed use commercial and residential development and pedestrian friendly, community orientated cities. New urbanism is a reaction to the sprawling, automobile centered cities of the mid twentieth century
Ex: Against urban sprawl
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Central Business District
Front
The downtown or nucleus of a city where retail stores, offices, and cultural activities are concentrated; building densities are usually quite high; and transportation systems converge.
Ex: All US models are centered around it
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Metropolitan Statistical Area
Front
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
Ex: Dallas to Fort Worth area
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Edge Cities
Front
A large node of office and retail activities on the edge of an urban area.
Ex: Austin
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World City
Front
Centers of economic, culture, and political activity that are strongly interconnected and together control the global systems of finance and commerce.
Ex: London, Paris
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Gentrification
Front
A process of converting an urban neighborhood from a predominantly low-income renter-occupied area to a predominantly middle-class owner-occupied area.
Ex: New York City is constantly changing to maintain its reputation
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Greenbelt
Front
A ring of land maintained as parks, agriculture, or other types of open space to limit the sprawl of an urban area.
Ex: The Highline in New York City
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Multiple Nuclei Model
Front
Type of urban form wherein cities have numerous centers of business and cultural activity instead of one central place.
Ex: Chicago
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McMansions
Front
Homes referred to as such because of their "super size" and similarity in appearance to other such homes
Ex: In American suburbs
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Blockbusting
Front
A practice in which real estate agents illegally convince homeowners, mainly whites, to sell their property because of the fear that other minorities will move in and lower property values
Ex: Contributed to white flight
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Squatter Settlement
Front
An area within a city in a less developed country in which people illegally establish residences on land they do not own or rent and erect homemade structures.
Ex: Often occur near primate cities
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Food desert
Front
Urban neighborhoods and rural towns without ready access to fresh, healthy, and affordable food. Instead of supermarkets and grocery stores, these communities may have no food access or are served only by fast food restaurants and convenience stores that offer few healthy, affordable food options.
Ex: Detroit and New York are common for these
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Zone in Transition
Front
The second ring of the concentric zone model, which surrounds the CBD.
Ex: typically contains industry and poor-quality housing
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Brownfield
Front
Former industrial sites in urban communities that have fallen into disuse and decay.
Ex: Rust Belt of US
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Ghetto
Front
A poor densely populated city district occupied by a minority ethnic group linked together by economic hardship and social restrictions
Ex: Detroit
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Peripheral Model
Front
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
Ex: Chicago
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Trade Area
Front
region adjacent to every town and city within which its influence is dominant
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Urban Sprawl
Front
The process of urban areas expanding outwards, usually in the form of suburbs, and developing over fertile agricultural land.
Ex: After World Wars
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Central Place Theory
Front
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.
Ex: Larger cities in Texas attract more business services and have larger ranges of services, whereas smaller cities often feed into the larger ones.
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Rank-Size Rule
Front
A pattern of settlements in a country, such that the nth largest settlement is 1/n the population of the largest settlement.
Ex: Los Angeles is about half the size of New York
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Redlining
Front
A discriminatory real estate practice in North America in which members of minority groups are prevented from obtaining money to purchase homes or property in predominantly white neighborhoods. The practice' name started with the red lines depicted on maps used by real estate agents
Ex: Still present in some more discreet forms
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Primate City
Front
A country's leading city, with a population that is disproportionately greater than other urban areas within the same country.
Ex: London, Paris, Tokyo
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Suburbinization
Front
The rapid growth of the suburbs
Ex: Increased after World War II