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논문 기본 정보

자료유형
학술저널
저자정보
김원재 (한국건설기술연구원) 임현만 (한국건설기술연구원) 신형섭 (이알아이)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제37권 제4호
발행연도
2021.8
수록면
578 - 599 (22page)

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초록· 키워드

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Because of climate change and urbanization, there have been concerns about the intensification of the heat island phenomenon. In Korea, existing studies carried out to select heat island regions in urban areas have mainly utilized the technique to compare and review land use characteristics and land surface temperature (LST) distribution at administrative-dong level based on satellite imagery. In this study, based on satellite imagery and GIS (geographic information system) in conjunction, a novel technique to find out heat island districts in urban areas was presented. The LST distribution was calculated by acquiring and superimposing 21 satellite images during the summer season (May~September) over 2010~2020. The new clustering methodology of LST distribution map was proposed to specify the heat island districts in detail, and as its key guideline, the top 10% of LST_ULE (LST_upper limit of extraction) and 200 m resolution of temperature pixels were suggested. A total of 27 sites were derived as the result of extracting heat island districts by the application of this new methodology for Goyang-si; there were 13 districts where their average LST values exceeded 30°C, and 7 ones larger than 1 ㎢. As a result of examining the four largest districts, the 1<SUP>st</SUP> and 2<SUP>nd</SUP> ones were found to be urban regions with high density of apartments, and the 3<SUP>rd</SUP> and 4<SUP>th</SUP> districts were factory regions around the new-town sectors. It is judged that the clustering methodology proposed in this study is very efficient to extract the severe heat island districts in urban areas and establish the appropriate heat island mitigation measures suitable for each land use characteristic.

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Abstract
1. 서론
2. 연구 방법
3. 결과 및 고찰
4. 결론
References

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