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A Study on the Change of the Urban Heat Island Structure in Busan Metropolitan Area, Korea

부산지역의 도시열섬 구조 변화에 관한 연구

  • Kim, Hyunsu (Department of Atmospheric Science, Pusan National University) ;
  • Seok, Hyun-Bae (Division of Earth Environmental System, Pusan National University) ;
  • Kim, Yoo-Keun (Department of Atmospheric Science, Pusan National University)
  • 김현수 (부산대학교 대기환경과학과) ;
  • 석현배 (부산대학교 지구환경시스템학부) ;
  • 김유근 (부산대학교 대기환경과학과)
  • Received : 2014.07.14
  • Accepted : 2014.11.11
  • Published : 2014.11.28

Abstract

The spatial and temporal changes of the annual mean urban heat island(UHI) intensity were investigated using near surface temperature data measured at 16 automatic weather systems(AWS) in Busan metropolitan area(BMA) during the 11-yr period, from 2000 to 2010. For nighttime, the annual mean UHI intensity at Dongnae(U1) in 2000 was weaker than it in 2010. However the change of the annual mean UHI intensity at Daeyeon(U2) during 11 years was different from it at U1. The annual frequency of the UHI intensity over $5^{\circ}C$ considerably increased at U2 and decreased at U1 during 11 years. The center of the UHI also spatially shifted southward with Daeyeon and Haeundae in BMA. It would be caused by the increase of urban area, population-density and transportation near U2 and by the decrease of them near U1. We found that the spatial and temporal differences of the UHI intensity have coincided with changes of land-use, population density and transportation in BMA.

Acknowledgement

Supported by : 부산대학교

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