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도심재생하천 내 수리적 특성이 열환경 변화에 미치는 영향 평가 (Impact assessment on the change of thermal environment, according to the hydraulic characteristic urban regeneration stream) : 청계천을 대상으로 (Cheonggyecheon case study)

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  • 도심재생하천 내 수리적 특성이 열환경 변화에 미치는 영향 평가 (Impact assessment on the change of thermal environment, according to the hydraulic characteristic urban regeneration stream)
  • Kim, Jeong Ho; Lee, Ju Seung; Yoon, Yong Han김정호; 이주승; 윤용한
  • 한국환경정책평가연구원


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Title 도심재생하천 내 수리적 특성이 열환경 변화에 미치는 영향 평가 (Impact assessment on the change of thermal environment, according to the hydraulic characteristic urban regeneration stream)
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Sub Title

청계천을 대상으로 (Cheonggyecheon case study)

Material Type Articles
Author(English)

Kim, Jeong Ho; Lee, Ju Seung; Yoon, Yong Han

Author(Korean)

김정호; 이주승; 윤용한

Publisher

세종 : 한국환경정책평가연구원

Date 2015-06
Journal Title; Vol./Issue 환경정책연구:vol. 14(no. 2)
Subject Country South Korea(Asia and Pacific)
Language Korean
File Type Link
Subject Territorial Development < National Land Development
Territorial Development < Environment
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Abstract

Our goal is to verify how changes in water’s hydraulic characteristics after urban regeneration stream can affect any possible transformation of its thermal environment. To that end, we analyzed changes in numerous physical characteristics the subject stream along with the meteorological factors and thermal environment affected by it. Cheonggyecheon was selected as our subject as it is a great example of successful urban regeneration stream. As for physical characteristics, we allocated Type I (0.0%) and Type II (20.2%), depending on the green coverage ratio. As for numerical characteristics, at the point of Ba in which the riffle ends, the water temperature fell by 0.2℃ and the flow increased from 0.7m/s to 0.9 m/s with the dissolved oxygen increasing from 0.5mg/L to 0.6mg/L. As for meteorological factors surrounding the subject stream, the temperature dropped from 1.1℃ to 1.4℃ on average and relative humidity increased from 6.6% to 8.7%. (The rest omitted)