Urbanization of the United States over two centuries: an approach based on a long-term database (1790–2010)

Abstract : This paper presents an original methodology for the construction of a harmonized database for urban areas in the United States from 1790 to 2010 (a period with a census every 10 years, amounting to 23 dates). Upstream, this method is based on a theoretical choice, the use of a spatio-temporal reference frame to construct urban areas over the long term, defined by a maximum range of one hour’s travel for each period. We used an automatic aggregation from a Reilly model. Urban measures (growth, concentration) derived from this harmonized database are then presented, providing a unified picture of urbanization in the United States over more than two centuries. They are compared with results derived from more classical databases established using the official figures from the Census Bureau, or from other constructions differing from the present system. The results diverge considerably in some instances, which confirms the impact of the method of delineation of geographical areas in measures of growth.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01133945
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Soumis le : vendredi 20 mars 2015 - 17:10:10
Dernière modification le : mercredi 10 avril 2019 - 01:05:32

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Anne Bretagnolle, François Delisle, Hélène Mathian, Gabriel Vatin. Urbanization of the United States over two centuries: an approach based on a long-term database (1790–2010). International Journal of Geographical Information Science, Taylor & Francis, 2015, 29 (5), pp.850-867. ⟨10.1080/13658816.2014.999681⟩. ⟨hal-01133945⟩

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