KMID : 1024520060150040325
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Journal of the Environmental Sciences 2006 Volume.15 No. 4 p.325 ~ p.332
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Analysis of Street Trees and Heat Island Mosaic in Jung-gu, Daegu
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Kim Soo-Bong
Jung Eung-Ho Kim Gi-Ho
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Abstract
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The purpose of this paper is to suggest practical suggestions to mitigate Urban Heat Island(UHI) problems in Daegu regarding urban surface temperature. Urban street trees¡¯s size and the relations between urban land use types and surface temperature are analysed using aerial photos, the numerical value map and Landsat TM image with special reference to Jung-gu. Total urban street tree¡¯s crown size is and it is equal to 2.24% of study area. In addition, the size of ¡¯city and residential area¡¯ is (95.7% of study area), which causes UHI and the total size of ¡¯river¡¯ shows the lowest surface temperature area and ¡¯road¡¯ and ¡¯business and service area¡¯ are the highest surface temperature zones. Therefore, it is probable that the network between urban street trees and the lowest surface temperature areas mitigate UHI effects.
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KEYWORD
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Street trees, Land use, Heat island mosaic, Aerial photograph, Landsat TM
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