한국환경과학회지 (Journal of Environmental Science International)

  • 제28권2호
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  • Pages.235-248
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  • 2019
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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도심 하천 복원에 따른 주변지역 열환경 변화 특성 분석

Analysis of the Characteristics of Thermal Environment Change Due to Urban Stream Restoration

  • 도우곤 (부산광역시 보건환경연구원) ;
  • 정우식 (인제대학교 대기환경정보공학과/대기환경정보연구센터)
  • Do, Woo-Gon (Busan Metropolitan City Institute of Health and Environment) ;
  • Jung, Woo-Sik (Department of Atmospheric Environment Information Engineerin/Atmospheric Environment Information Research Center, Inje University)
  • 투고 : 2019.01.02
  • 심사 : 2019.02.01
  • 발행 : 2019.02.28
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초록

The purpose of this study is to quantitatively analyze the effects of a restoration project on the decrease in the temperature in the surrounding areas. The thermal environment characteristics of the investigation area were analyzed using the meteorological data from the Busanjin Automatic Weather System which is closest to the target area. The terrain data of the modeling domain was constructed using a digital map and the urban spatial information data, and the numerical simulation of the meteorological changes before and after the restoration of the stream was performed using the Envi-met model. The average temperature of the target area in 2016 was $15.2^{\circ}C$ and was higher than that of the suburbs. The monthly mean temperature difference was the highest at $1.1^{\circ}C$ in November and the lowest in June, indicating that the temperatures in the urban areas were high in spring and winter. From the Envi-met modeling results, reductions in temperature due to stream restoration were up to $1.7^{\circ}C$ in winter, and decreased to $3.5^{\circ}C$ in summer. The effect of temperature reduction was seen in the entire region where streams are being restored.

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