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KMID : 1024520200290121153
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Journal of the Environmental Sciences
2020 Volume.29 No. 12 p.1153 ~ p.1170
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Analysis of the Influence of Urban Land Cover Changes on the Thermal Environment of the Atmospheric Boundary Layer Using Computational Fluid Dynamics Model
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Kim Ji-Seon
Yoo Jung-Woo
Na Mun-Soo
Kim Yong-Gil
Lee Soon-Hwan
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Abstract
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With global warming and the rapid increase in urbanization accompanied by a concentration of population, the urban heat island effects (UHI) have become an important environmental issue. In this study, rooftop greening and permeable asphalt pavement were selected as measures to reduce urban heat island and applied to a simple virtual urban environment to simulate temperature change using ENVI-met. A total of five measures were tested by dividing the partial and whole area application of each measure. The results showed that the temperature range of the base experiment is 33.11-37.11 ℃, with the UTCI comfort level described as strong heat and very strong heat stress. A case applied permeable asphalt has a greater temperature difference than a rooftop greening case, the larger the area where each condition was applied, the greater the temperature change was.
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KEYWORD
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Urban heat island (UHI), ENVI-met, Rooftop greening, Permeable pavement, Thermal comfort
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