Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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A Study on the Distribution Characteristic of Urban Surface Temperature and Urban Heat Island Effects

도시 지표면 온도분포 특성 및 열섬완화방안

  • Do, Hu-Jo (Department of Landscape Architecture, Graduate School of Kyungpook National University) ;
  • Lee, Jung-Min (Department of Landscape Architecture, Graduate School of Kyungpook National University) ;
  • Ra, Jung-Hwa (Department of Landscape Architecture, Kyungpook National University)
  • 도후조 (경북대학교 대학원 조경학과) ;
  • 이정민 (경북대학교 대학원 조경학과) ;
  • 나정화 (경북대학교 조경학과)
  • Published : 2007.05.30
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Abstract

The purpose of this research was to three-criteria landuse-pattern, developing density, NDVI which were related to the heat island and find the distribution characteristic of urban surface temperature and urban heat island effects. The results of this study were as follows. According to the analysis of surface temperatures, the first grade was the outside-city like a mountain and its temperature was less than $12.18^{\circ}C$. The fifth grade was the downtown industrial area and its temperature was more than $23.54^{\circ}C$. It means Daegu-Metropolitan-City has the serious heat-island effect. the results of landuse pattern analysis, in case of fifth and forth grade, city area was occupied over 90% with residential, commercial and industrial areas, but in case of third grade, openspace was occupied over 70%. The results of developing density analysis, the temperature had high correlation with building ratio, road ratio, vegetation ratio and etc. To plan for the decrease of heat island effect needed the extension of green space, decrease of paving, but there was a limit to get the objective method for grade classification because of lacking in the basic data, the research of criteria will be accomplished continuously.

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References

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