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A Study on Estimating Heat Vulnerable Areas by Demographic Group based on Population Estimates

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2024, 33(6), pp.277-292
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering
  • Received : August 9, 2024
  • Accepted : December 23, 2024
  • Published : December 31, 2024

Yu-Hyun Kim 1 Donghyun Kim 1

1부산대학교

Accredited

ABSTRACT

In order to minimize the impact of future heat waves, this study predicts the spatial distribution of heat vulnerable areas by three demographic groups: young population, working-age population, and old population, prior to establishing heat wave adaptation strategies. First, the future population values of each demographic group were estimated through machine learning and explainable AI, and the estimates were interpreted. The population estimates showed that all three demographic groups are expected to continue to decline until 2042. The future heat wave vulnerable areas, derived by overlaying population estimates and future heat wave days by demographic group, were predicted to be mainly inland for all three demographic groups. The spatial distribution of future heat vulnerable areas by demographic group showed that the western part of the country is more vulnerable than the eastern part, and that the heat vulnerable areas for the young population will be located in Seoul, the southern part of the Seoul metropolitan area, and metropolitan areas, while the heat vulnerable areas for the working-age population will be located in Seoul, the southern part of the Seoul metropolitan area, and the Chungcheongbuk-do region. Accurate population estimation analysis is an essential step in proactively and effectively dealing with the effects of future heat waves, and the results of this study can be used as a basis for heat adaptation policies.

Citation status

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

This paper was written with support from the National Research Foundation of Korea.