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Characteristics of Urban Sprawl in the Metropolitan Regions: Measuring Sprawl Based on Multiple Dimensions in the Sigungu Scale

  • Journal of the Association of Korean Geographers
  • Abbr : JAKG
  • 2020, 9(3), pp.549-565
  • DOI : 10.25202/JAKG.9.3.7
  • Publisher : Association of Korean Geographers
  • Research Area : Social Science > Geography
  • Received : November 29, 2020
  • Accepted : December 15, 2020
  • Published : December 31, 2020

RYU Nayoung 1

1서울대학교 교육종합연구원

Accredited

ABSTRACT

The purpose of this paper is to investigate the characteristics of urban sprawl in the sigungu scale of the metropolitan regions (MR). Measuring sprawl based on multiple dimensions considering density, land use mix, centering, and street accessibility proves the regional diversity of sprawl. Only density index shows compacting in the core regions and sprawling in the peripheral regions, and the other indexes have different distributions of sprawl. The results show that it is difficult to analyze the composite index including various sprawl factors. Cluster analysis based on sprawl factor indexes shows four clusters in sprawl types. Each MR identifies its specifications according to the ratio of clusters. Seoul MR and Busan MR have high density and diverse industrial structure, and Gwangju MR and Daejeon MR show the dual systems urban in the core regions and rural/specialized in the peripheral regions. Daegu MR shows diverse sprawl types. The characteristics of urban sprawl based on this research contribute to practically establish more detailed urban planning and policy.

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