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Measuring Land Use Compactness of Cities in Korea Using Building Registry Data

Gyoungju Lee 1 Park Jinho 2 EunSun Im 2

1한국교통대학교
2국토연구원

Accredited

ABSTRACT

In Korea, the last few decades have witnessed unplanned urban expansion, along with explosive population growth and rapid industrialization. Afterward, entry into the era of depopulation was accompanied by a decreased demand for land, thereby provoking intensive debates on building compact cities, where efficient land use is the norm. Although precisely defining a compact city is difficult, its pattern of high-density mixed land use is recognized as providing a conceptual springboard for further discussion. In consideration of these issues, this study was conducted to determine an index that measures the compactness of land use in Korean cities using building registry data and perform a national-level empirical analysis of indices on the basis of 162 cities and counties. To these ends, the total floor area and the number of different uses in each 500 m square grid were calculated and aggregated into city and county boundaries to identify compactness nationwide. High total floor areas and land uses were distributed along the Seoul metropolitan area, other metropolises, and major cities around the highway between Seoul and Busan. Given that building registry data are periodically updated, the compactness index proposed in this study is useful for ascertaining changes in the urban spatial structure of Korea. The index is expected to provide empirical information that supports the process of formulating urban and regional policies in the future.

Citation status

* References for papers published after 2023 are currently being built.