Journal of Korean Society for Geospatial Information Science (대한공간정보학회지)

Korea Spatial Information Society (대한공간정보학회)
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Assessment of Blocking Effect of Natural and Artificial Topography on Sunshine Duration Using GIS Data and Sunshine Model

GIS 자료와 일조모델을 이용한 자연적 및 인공적 지형에 의한 일조차단 평가

  • Kim, Do Yong (Department of Environmental Engineering, Mokpo National University) ;
  • Kim, Jae Jin (Department of Environmental Atmospheric Sciences, Pukyong National University)
  • 김도용 (목포대학교 환경공학과(기후변화연구소)) ;
  • 김재진 (부경대학교 환경대기과학과)
  • Received : 2016.07.12
  • Accepted : 2016.09.20
  • Published : 2016.09.30
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Abstract

The present study evaluated the blocking effect of natural and artificial topography on sunshine duration in the southern coastal area of Haui-do. The geospatial data for the target area was constructed by geographic information system(GIS) data. Three-dimensional modeling based on solar azimuth and altitude angles was conducted for the assessment of sunshine environment. The sunshine area was evaluated over 80~90% of the target area in the daytime, especially in summer. The blocking effect of mountainous terrain on sunshine duration was presented at the northern residential area in the late afternoon. There was also the effect of artificial topography by construction of fill-up bank on sunshine environment at the southern residential area early in the morning and the south-western part of salt field in the late afternoon.

본 연구에서는 하의도 남쪽 연안지역을 대상으로 자연적 및 인공적 지형에 의한 일조차단의 영향을 평가하였다. 지리정보시스템 자료를 이용하여 대상지역의 지형공간자료를 생산하고, 태양의 방위각과 고도각을 기반으로 3차원 일조환경평가 모델링을 수행하였다. 주간시간대에는 대상지역의 약 80~90% 이상의 영역에서 일조가 형성되었으며, 특히 하지(여름철)의 경우가 일조환경이 가장 우수한 것으로 평가되었다. 산악지형에 의한 일조차단의 영향은 일몰에 가까운 늦은 오후 시간대에 북쪽 주거지역에서 나타났다. 성토건설에 따라 형성되는 인공지형의 경우, 이른 오전 시간대에는 남쪽 주거지역의 일조환경에 영향을 미쳤으며, 늦은 오후 시간대에는 염전의 남서쪽 지역에 영향을 미치는 것으로 평가되었다.

Keywords

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