한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제24권4호
  • /
  • Pages.383-392
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  • 2008
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
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알베도 증가에 따른 도시 기온 하강 효과에 관한 수치연구

Numerical Study on the Air Cooling Effect due to Increased Albedo in Urban Area

  • 이현주 (국립환경과학원 환경총량관리연구부 대기총량과) ;
  • 이귀옥 (부산대학교 지구환경시스템학부) ;
  • 이순환 (부산대학교 지구환경시스템학부) ;
  • 이화운 (부산대학교 지구환경시스템학부)
  • Lee, Hyun-Ju (Environmental Cap System Research Department, National Institute of Environmental Research) ;
  • Lee, Kwi-Ok (Department of Earth Environment System, Pusan National University) ;
  • Lee, Soon-Hwan (Department of Earth Environment System, Pusan National University) ;
  • Lee, Hwa-Woon (Department of Earth Environment System, Pusan National University)
  • 발행 : 2008.08.31
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초록

In order to clarify the influence of the change of urban surface albedo on mesoscale meteorological factors during the summertime, numerical experiments with various albedo of urban surface were carried out. Numerical model used in this study is PSU/NCAR MM5 V3.6. As a result of the numerical simulation intended of Busan assumed the increase of albedo of roofs, buildings, or roads, the increase of albedo can make decrease radiation effect of surface, so that it caused drops in ambient air temperature from $0.5^{\circ}C$ to $1^{\circ}C$ on the average, and the downtown of Busan formed along the trough presented a substantial drop in ambient air temperature about $1.5^{\circ}C$. Modeling studies suggest the increased surface albedo in urban area can reduce surface and air temperatures near the ground and affect related meteorological parameters such as winds and the depth of the mixed boundary layer.

키워드

참고문헌

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피인용 문헌

  1. Deduction of Optimum Surface Design Factors for Enhancement of Outdoor Thermal Environment in a Micro-Scale Unit vol.9, pp.8, 2017, https://doi.org/10.3390/su9081381