AP Flashcards

9950613704	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.	0
9950621043	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.	1
9950630156	Urbanization	An increase in the percentage of the number of people living in urban settlements	2
9950638255	Multiple Nuclei Model	A model of the internal structure of cities in which social groups are arranged around a collection of nodes of activities.	3
9950799570	Sector Model	A model of the internal structure of cities in which social groups are arranged around a series of sectors, or wedges, radiating out from the central business district.	4
9950808021	Sprawl	Development of new housing sites at relatively low density and at locations that are not contiguous to the existing built-up area.	5
9950816528	Urban Cluster	In the United States, an urban area with between 2,500 and 50,000 inhabitants.	6
9950828767	Urbanized Area	In the United States, an urban area with at least 50,000 inhabitants.	7
9950837426	Urban Area	A dense core of census tracts, densely settled suburbs, and low-density land that links the dense suburbs with the core.	8
9951955648	Concentric Zone Model	A model of the internal structure of cities in which social groups are spatially arranged in a series of rings.	9
9952154086	Primate city	The largest settlement in a country, if it has more than twice as many people as the second-ranking settlement.	10
9952159079	Gentrification	A process of converting an urban neighborhood from a predominantly low-income, renter-occupied area to a predominantly middle-class, owner-occupied area.	11