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A Study on the Sunshine Environment Around Urban Redevelopment Area Using a GIS Data

GIS 자료를 활용한 도시 재개발 주변 지역의 일조 환경 분석

  • Kang, Jung-Eun (Division of Earth Environmental System Science, Pukyong National University) ;
  • Park, Soo-Jin (Division of Earth Environmental System Science, Pukyong National University) ;
  • Kim, Jae-Jin (Division of Earth Environmental System Science, Pukyong National University)
  • 강정은 (부경대학교 지구환경시스템과학부) ;
  • 박수진 (부경대학교 지구환경시스템과학부) ;
  • 김재진 (부경대학교 지구환경시스템과학부)
  • Received : 2018.09.05
  • Accepted : 2018.10.12
  • Published : 2018.10.31

Abstract

In this study, the changes of the sunshine environment due to the construction of buildings were analyzed by season. Using a geographic information system (GIS) data, the topography and the buildings were constructed around Pukyong National University (PKNU) in Busan. The numerical model was performed for a week in each season, before and after the construction of buildings. Even before the construction of the high-rise building complex, the area of sunshine block is wide due to the apartment complex located in the southeast of the PKNU campus and the mountain in the south. After the construction, the sunshine-blocked area became wider after the sunrise and before the sunset. The area of sunshine block after 1 hour at sunrise increased by 1.60%, 1.50%, 1.58% and 1.36% in the vernal equinox, summer solstice, autumnal equinox and winter solstice, respectively. The building complex in the east (south) of the PKNU campus made shadow in more than 1,000 m (750 m) toward the west (east) just before the sunrise (sunset). Especially, the sunshine duration in PKNU campus decreased by 46.61%, 22.75%, 58.56%, and 11.31% in the vernal equinox, summer solstice, autumnal equinox and winter solstice, respectively. The analysis of the sunshine duration for a dormitory building showed that the construction of the building complex in the south of the PKNU campus reduced the sunshine area of the western (southern) wall of the dormitory by 30.91% (49.45%) for a winter week.

Acknowledgement

Supported by : 기상청

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