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APHG 6.1-6.4
Words from learning objective 61.-6.4
Term | Definition |
---|---|
urbanization | An increase in the percentage and in the number of people living in urban settlements. |
suburbanization | Movement of upper and middle-class people from urban core areas to the surrounding outskirts to escape pollution as well as deteriorating social conditions (perceived and actual). In North America, the process began in the early nineteenth century and became a mass phenomenon by the second half of the twentieth century. |
site | The physical character of a place |
situation | the location of a place relative to other places |
megacities | cities with more than 10 million people |
metacity | A city with a population over 20 million |
edge cities | cities that are located on the outskirts of larger cities and serve many of the same functions of urban areas, but in a sprawling, decentralized suburban environment |
urban sprawl | the unplanned and uncontrolled spreading of cities into surrounding regions |
exurbs | communities that arise farther out than the suburbs and are typically populated by residents of high socioeconomic status |
world city (global city) | a city that functions as a service center of the world economy |
boomburgs | rapidly growing suburbs |
urban hierarchy | A ranking of settlements according to their size and economic functions. |
market area (hinterland) | The area surrounding a central place, from which people are attracted to use the place's goods and services. |
threshold | The minimum number of people needed to support the service |
range | The maximum distance people are willing to travel to use a service. |
rank size rule | In a model urban hierarchy, the idea that the population of a city or town will be inversely proportional to its rank in the hierarchy. |
primate city | a city that ranks first in a nation in terms of population and economy |
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. |
central place theory | Theory proposed by Walter Christaller that explains how and where central places in the urban hierarchy should be functionally and spatially distributed with respect to one another. |