[논문]도시 토지피복별 불투수면적률과 녹지면적률에 따른 지표면 일최고온도 변화량 산정방법

김영란; 황성환

doi:10.11001/jksww.2021.35.2.163

도시 토지피복별 불투수면적률과 녹지면적률에 따른 지표면 일최고온도 변화량 산정방법
Development of calculating daily maximum ground surface temperature depending on fluctuations of impermeable and green area ratio by urban land cover types 원문보기

上下水道學會誌 = Journal of Korean Society of Water and Wastewater, v.35 no.2, 2021년, pp.163 - 174

김영란 (서울기술연구원 기술개발본부) , 황성환 (서울기술연구원 기술개발본부)

Abstract ▼ AI-Helper

Heatwaves are one of the most common phenomena originating from changes in the urban thermal environment. They are caused mainly by the evapotranspiration decrease of surface impermeable areas from increases in temperature and reflected heat, leading to a dry urban environment that can deteriorate aspects of everyday life. This study aimed to calculate daily maximum ground surface temperature affecting heatwaves, to quantify the effects of urban thermal environment control through water cycle restoration while validating its feasibility. The maximum surface temperature regression equation according to the impermeable area ratios of urban land cover types was derived. The estimated values from daily maximum ground surface temperature regression equation were compared with actual measured values to validate the calculation method's feasibility. The land cover classification and derivation of specific parameters were conducted by classifying land cover into buildings, roads, rivers, and lands. Detailed parameters were classified by the river area ratio, land impermeable area ratio, and green area ratio of each land-cover type, with the exception of the rivers, to derive the maximum surface temperature regression equation of each land cover type. The regression equation feasibility assessment showed that the estimated maximum surface temperature values were within the level of significance. The maximum surface temperature decreased by 0.0450℃ when the green area ratio increased by 1% and increased by 0.0321℃ when the impermeable area ratio increased by 1%. It was determined that the surface reduction effect through increases in the green area ratio was 29% higher than the increasing effect of surface temperature due to the impermeable land ratio.

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도시 토지피복별 불투수면적률과 녹지면적률에 따른 지표면 일최고온도 변화량 산정방법
Development of calculating daily maximum ground surface temperature depending on fluctuations of impermeable and green area ratio by urban land cover types 원문보기

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연합인증

도시 토지피복별 불투수면적률과 녹지면적률에 따른 지표면 일최고온도 변화량 산정방법 Development of calculating daily maximum ground surface temperature depending on fluctuations of impermeable and green area ratio by urban land cover types 원문보기

Abstract ▼ AI-Helper

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참고문헌 (12)

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관련 콘텐츠

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도시 토지피복별 불투수면적률과 녹지면적률에 따른 지표면 일최고온도 변화량 산정방법
Development of calculating daily maximum ground surface temperature depending on fluctuations of impermeable and green area ratio by urban land cover types 원문보기