Journal of the Korean Association of Geographic Information Studies (한국지리정보학회지)

The Korean Association of Geographic Information Studies (한국지리정보학회)
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Analysis of Heat Island Characteristics Considering Urban Space at Nighttime

도시공간을 고려한 야간시간대의 열섬특성 분석

  • Song, Bong-Geun (Dept. of Environmental Engineering, Changwon National University) ;
  • Park, Kyung-Hun (Dept. of Environmental Engineering, Changwon National University)
  • 송봉근 (창원대학교 환경공학과) ;
  • 박경훈 (창원대학교 환경공학과)
  • Received : 2012.01.20
  • Accepted : 2012.03.05
  • Published : 2012.03.31
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Abstract

The purpose of this study is to investigate the characteristics of urban heat island considering urban space at nighttime. We used to analyze landuse and landcover data of 1:1,000 scale, DTM, and surface temperature extracted ASTER image satellite of nighttime. According to the analytical results, heat intensity in single-family residential is higher than that in industrial area, public facility area, and commercial area because the anthropogenic heat by energy consumption is released. Likewise, the temperature difference were big in the buildings of industrial area depending on operating hours. Meanwhile, green and river area had cooling impacts mitigating the urban heat island. Therefore, we have to mitigate heat intensity through constructing green space and waterfront area. As mentioned above, we think that the results of this study will be used as base data for effective spatial planning when formulating development planning to mitigate urban heat island at nighttime.

본 연구는 창원시 도시지역을 대상으로 도시공간을 고려한 야간시간대의 도시열섬특성을 파악하기 위해 1:1,000 축척의 토지이용도 및 토지피복도와 DTM, 그리고 ASTER 위성영상에서 추출된 야간시간대의 지표온도자료를 활용하였다. 분석결과에 따르면, 야간시간대는 건물이 밀집되어있는 단독주거지역이 상업지역이나 공공시설지역보다 열섬강도가 높았고, 이것은 에너지소비에 의한 인공열 방출이 열섬형성에 많은 영향을 미치기 때문으로 판단된다. 또한 이러한 점 때문에 공업지역에서는 건물은 가동시간에 따라 온도차이가 매우 크게 나타났다. 한편, 도시녹지지역과 하천지역은 도시열섬을 완화하는 냉각효과가 있는 것으로 확인되었으며, 열섬강도가 높은 지역에 녹지 및 수변공간의 조성으로 열섬강도를 낮출 필요가 있을 것으로 판단된다. 이상과 같은 결과는 야간시간대의 도시열섬을 완화하는데 있어 개발계획 수립시 효율적인 공간활용을 위해 기초자료로 이용될 것으로 사료된다.

Keywords

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