Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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The Impacts of Built Environmental Features on the Land Surface Temperatures for the Heat Wave Seasons in Gwangju, South Korea

도시화에 따른 건조환경이 하절기 광주시 외부공간의 열환경에 미치는 영향에 대한 연구

  • Hong, Sung-Woon (Division of Police Science, Law & Public Administration, GwangJu University) ;
  • Yang, Dongwoo (Center for Regional Development, Chonnam National University) ;
  • Oh, Byoung-Chull (Climate Change Response R & D Team of Research and Development Office, International Climate & Environment Center)
  • 홍성운 (광주대학교 경찰법행정학부) ;
  • 양동우 (전남대학교 지역개발연구소) ;
  • 오병철 (재단법인 국제기후환경센터)
  • Received : 2019.11.01
  • Accepted : 2019.12.19
  • Published : 2019.12.30
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Abstract

This study aims to examine the impacts of built environmental features on the nocturnal and diurnal temperatures during the heat wave season in Gwangju, Korea. Built environmental measures are summarized at micro-scale level, such as 50 meters and 100 meters from temperature monitoring spots. Regressing the built environment on nocturnal and diurnal temperatures, we estimate how the artificial constructs contribute to temperature either day and night times. We found that impervious surface ratio is positively and negatively associated with nocturnal and diurnal temperatures, respectively. Buildings and structures tend to construct high thermal mass and absorb heat during day time and emit it for the night time. This property contributes to the nocturnal temperature model. On the other hand, urban areas with more vertical structure tend to block sun radiation more than rural, and it is more likely to find the negative relationship between impervious surface ratio and the diurnal temperatures.

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References

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