Ségrégations et discontinuités dans les villes intermédiaires des Etats-Unis

Abstract : While segregation has been mainly described in major cities, this dissertation investigates intermediate cities in the United States. It elaborates on the following hypothesis: intermediate cities, smaller in size and sprawl, yield less intense but distinctive spatial patterns of segregation. The analysis eloborates on a theoretical and methodological approach that combines size and functionnal criteria to subset 29 intermediate cities in the U.S. Segregation indices are analyzed within this set of cities, and discussed, so as to characterize the similarities between cities, and to examine the hierarchical and regional embedded effects explaining the differences. Elaborating on the notion of discontinuity in spatial analysis, the thesis then aims at better mapping segregation at the intra-urban level. Discontinuites are defined as being significant dissimilarities at the local neighborhood level and measured by a social distance index between contiguous neighborhoods (block groups). Focusing on the notion of structural and systemic discontinuities, that combine the permutation between major social dimensions in american cities (race & ethnicity, age, education and income), the analysis captures spatial patterns, and by doing so compare two contextualized case studies, Raleigh (NC) and Seattle (WA). By the means of harmonized datasets, the study further analyzes the dynamics of segregation and discontinuities between 1980 and 2010. The discussions of results highlight a renewed approach on segregation measures, theoretical and methodological approaches of spatial patterns, and do so by discussing metropolitan models and segregative mechanisms.
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https://tel.archives-ouvertes.fr/tel-02178381
Contributor : Sylvestre Duroudier <>
Submitted on : Tuesday, July 9, 2019 - 5:32:49 PM
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Sylvestre Duroudier. Ségrégations et discontinuités dans les villes intermédiaires des Etats-Unis. Géographie. Université Paris Diderot (Paris 7), 2018. Français. ⟨tel-02178381⟩

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