KIEAE Journal

Korea Institute of Ecological Architecture and Environment (한국생태환경건축학회)
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Comparative Evaluation of Cool Surface Ratio in University Campus: A Case Study of KNU and UC Davis

대학 캠퍼스의 쿨표면 비율 비교평가: 경북대학교와 UC Davis를 사례로

  • Received : 2014.09.01
  • Accepted : 2015.01.26
  • Published : 2015.02.28
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Abstract

The cool surface ratio could be used as a proxy of the overall thermal environment contributing to heat islands in urban area. This research proposes a comparative evaluation framework in an objective and quantitative way for measuring cool surface ratios. Two university campuses (Kyungpook National University: KNU, South Korea and UC Davis: University of California, Davis, USA) were selected as case study sites in order to monitor cool surface condition. Google Earth combined with digital maps realistically identified the major type of cool surfaces such as cool roofs and water bodies in the study area. Cool surfaces were sparsely identified over the KNU campus while the UC Davis campus was heavily covered by cool surfaces such as cool roofs and water bodies, resulting in almost four times more first-grade cool surfaces, as compared to KNU. It is confirmed that standard remote sensing technology can offer the viable method of measuring and comparing the campus-wide cool surface condition. It is anticipated that this research output could be used as a valuable reference to initiate a nation-wide cool surface strategy since objective evidence has been provided based on area-wide measurement for the cool surface in the two university context.

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References

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