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KMID : 1024520140230111807
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Journal of the Environmental Sciences
2014 Volume.23 No. 11 p.1807 ~ p.1820
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A Study on the Change of the Urban Heat Island Structure in Busan Metropolitan Area, Korea
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Kim Hyun-Su
Seok Hyun-Bae
Kim Yoo-Keun
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Abstract
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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 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.
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KEYWORD
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Urban heat island, Urban heat island intensity, Urban climate changes, Busan metropolitan area, Urban changes
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