Measurement of 30-Year Urban Expansion Using Spatial Entropy in Changwon and Gimhae, Korea

Ki Hwan Cho, Do-Hun Lee, Tae-Su Kim and Gab-Sue Jang
Additional contact information
Ki Hwan Cho: Faculty of Department of Life Sciences, College of Natural Science, Yeungnam University, Gyeongsan 38541, Korea
Do-Hun Lee: National Institute of Ecology, Seocheon-gun 33657, Korea
Tae-Su Kim: Faculty of Department of Life Sciences, College of Natural Science, Yeungnam University, Gyeongsan 38541, Korea
Gab-Sue Jang: Faculty of Department of Life Sciences, College of Natural Science, Yeungnam University, Gyeongsan 38541, Korea

Sustainability, 2021, vol. 13, issue 2, 1-12

Abstract: Entropy is widely used for measuring the degree of urban sprawl. However, despite the intense use of the entropy concept in urban sprawl, entropy’s spatial context has been largely ignored. In this study, we analyzed urban sprawl in Changwon and Gimhae cities, as they shared a common boundary but differed in their population growth and urban expansion. The land cover type, “urban and dry area,” was used to identify urban areas in the two cities, and a land cover map showed the areas of expansion in the 1980s, 1990s, 2000s, and 2010s. Different zoning schemes, namely concentric rings and regular partitioning, were applied. Shannon’s and Batty’s spatial entropy indices were used to measure urban sprawl. The results showed that concentric ring zoning was not suitable for measuring urban sprawl in a decentralized and polycentric city. Batty’s spatial entropy was less affected by the zoning scheme used and reflected the pattern of urban expansion more accurately. Urban sprawl, a phenomenon occurring within a spatial context, can be better understood by measuring spatial entropy with appropriate zoning schemes.

Keywords: urban sprawl; spatial modeling; Shannon’s entropy; Batty’s spatial entropy (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
https://www.mdpi.com/2071-1050/13/2/632/pdf (application/pdf)
https://www.mdpi.com/2071-1050/13/2/632/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:13:y:2021:i:2:p:632-:d:478306

Access Statistics for this article

Sustainability is currently edited by Ms. Alexandra Wu

More articles in Sustainability from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().