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http://dx.doi.org/10.5322/JES.2007.16.5.611

A Study on the Distribution Characteristic of Urban Surface Temperature and Urban Heat Island Effects  

Do, Hu-Jo (Department of Landscape Architecture, Graduate School of Kyungpook National University)
Lee, Jung-Min (Department of Landscape Architecture, Graduate School of Kyungpook National University)
Ra, Jung-Hwa (Department of Landscape Architecture, Kyungpook National University)
Publication Information
Journal of Environmental Science International / v.16, no.5, 2007 , pp. 611-622 More about this Journal
Abstract
The purpose of this research was to three-criteria landuse-pattern, developing density, NDVI which were related to the heat island and find the distribution characteristic of urban surface temperature and urban heat island effects. The results of this study were as follows. According to the analysis of surface temperatures, the first grade was the outside-city like a mountain and its temperature was less than $12.18^{\circ}C$. The fifth grade was the downtown industrial area and its temperature was more than $23.54^{\circ}C$. It means Daegu-Metropolitan-City has the serious heat-island effect. the results of landuse pattern analysis, in case of fifth and forth grade, city area was occupied over 90% with residential, commercial and industrial areas, but in case of third grade, openspace was occupied over 70%. The results of developing density analysis, the temperature had high correlation with building ratio, road ratio, vegetation ratio and etc. To plan for the decrease of heat island effect needed the extension of green space, decrease of paving, but there was a limit to get the objective method for grade classification because of lacking in the basic data, the research of criteria will be accomplished continuously.
Keywords
Heat island; Developing density; NDVI; Correlation analysis;
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Times Cited By KSCI : 1  (Citation Analysis)
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