국토계획 (Journal of Korea Planning Association)

  • 제53권7호
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  • Pages.109-126
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  • 2018
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  • 1226-7147(pISSN)
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  • 2383-9171(eISSN)
대한국토도시계획학회 (Korea Planning Association)
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열수지를 활용한 서울시 열환경 개선을 위한 공간 유형화

Spatial Typification based on Heat Balance for Improving Thermal Environment in Seoul

  • Kwon, You Jin (Interdisciplinary Program in Landscape Architecture, Seoul National Univ.) ;
  • Ahn, Saekyul (Dept. of Landscape Architecture & Rural System Engi., Seoul National Univ.) ;
  • Lee, Dong Kun (Dept. of Landscape Architecture & Rural System Engineering, Seoul National Univ.) ;
  • Yoon, Eun Joo (Interdisciplinary Prog. in Landscape Architecture, Seoul National Univ.) ;
  • Sung, Sunyong (National Institute of Ecology) ;
  • Lee, Kiseung (Graduate School of Public Health)
  • 투고 : 2018.07.31
  • 심사 : 2018.11.26
  • 발행 : 2018.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

The purpose of this study is to identify the spatial types for thermal environment improvement considering heat flux and its spatial context through empirical orthodox formulas. First, k-means clustering was used to classify values of three kinds of heat flux - latent, sensible and storage heat. Next, from the k-means clustering, we defined a type of thermal environment (type LHL) where improvement is needed for more comfortable and pleasant thermal environment in the city, among the eight types. Lastly, we compared and analyzed the characteristics of each classified thermal environmental types based on land cover types. From the study, we found that the ratio of impervious surfaces, roads, and buildings of the type LHL is higher than those of the type HLH (relatively thermal comfort environment). In order to improve the thermal environment, the following contents are proposed to urban planners and designers depending on the results of the study. a) Increase the green zone rate by 10% to reduce sensible heat; b) Reduce the percentage of impermeable surfaces and roads by 10% ; c) Latent heat increases when water and green spaces are expanded. This study will help to establish a minimum criterion for a land cover rate for the improvement of the urban thermal environment and a standard index for the thermal environmental improvement can be derived.

키워드

과제정보

연구 과제 주관 기관 : 국토교통과학기술진흥원

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