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Details van artikel 144 van 250 gevonden artikelen
| Titel: |
Mapping “Exurbia” in the Conterminous United States Using Nighttime Satellite Imagery |
| Auteur: |
Sutton, Paul C. Cova, Thomas J. Elvidge, Christopher D. |
| Verschenen in: |
Geocarto international |
| Paginering: | Jaargang 21 (2006) nr. 2 pagina's 39-45 |
| Jaar: |
2006-06 |
| Inhoud: |
A quick search of “exurbia” on the internet yields various definitions: 'the region outside the suburbs of a city, consisting of residential areas (exurbs) that are occupied predominantly by rich commuters (exurbanites) (www.wordreference.com/English); and the cryptically self-referential 'a typically exurban area' (www.bartleby.com). Nighttime satellite imagery provided by the Defense Meteorological Satellite Program' Operational Linescan System (DMSP OLS) shows expansive areas of low light surrounding all major metropolitan areas. These areas would be characterized as pure vegetation by 30 meter resolution Landsat imagery yet they contain large numbers of people who have significant social, economic, and ecological impacts (e.g. traffic congestion and problems associated with the urban-wildlands interface). Questions explored in this paper are: 1) How big are 'exurban' areas in the United States?; 2) What cities have relatively large exurban areas and what cities have relatively small exurban areas?; How many people live in exurban areas?; 4) What are the costs and benefits of exurban areas and who pays for and/or receives them?; and finally, 5)Who lives in exurban areas? Conventional wisdom suggests that these 'exurbanites' are rich commuters who choose to live in natural settings beyond the city and suburbia; however, astronomic increases in real estate prices in places like Boston, New York, San Francisco, and Los Angeles suggest that many 'exurbanites' may be middle income teachers, police officers, and nurses trying to find affordable real estate. Our initial results suggest that 37% of the U.S. population lives in exurban areas that account for 14% of the land area. Purely urban areas account for 1.7% of the land area and house 55% of the population; and, rural areas (84% of the land area) contain only 8% of the population. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 144 van 250 gevonden artikelen
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