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http://dx.doi.org/10.5322/JES.2007.16.1.065

Estimation of Urban Heat Island Potential Based on Land-Use Type in Summertime of Daegu  

Ahn, Ji-Suk (Department of Earth Conservation, Keimyung University)
Kim, Hae-Dong (Department of Earth Conservation, Keimyung University)
Kim, Sang-Woo (Ocean Research Team, National Fisheries Research & Development Institute)
Publication Information
Journal of Environmental Science International / v.16, no.1, 2007 , pp. 65-71 More about this Journal
Abstract
This study aims to estimate a urban heat island potential distribution based on the land-use types using Landsat TM(1100 LST August 2004) and AWS data in Daegu. The heat island potential is defined as a difference between surface temperature and air-temperature at each place. The study area was selected as about $900km^2$ square including Daegu metropolitan area. Land-use data obtained by dividing all of Daegu metropolitan area in- to 1-km-square three types of maps were prepared in the 1960s, 1970s and 2000s respectively. Land-use types were classified into 5 categories. Forest and farm lands have been reduced at a wide range during 40 years. Most of those changed into urban area. The heat island potential distribution presented a striking contrasts according to land-use types. For example, the heat island potential of urban area was higher than $10^{\circ}C$ in comparison to those of water or paddy rice areas.
Keywords
Heat island potential; Landsat TM; Land-use;
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