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The propose of this study is to analyze the optimum spatial resolution of the urban spatialthermal environment structure and to evaluate of the possibility detection using aerialphotographs and thermal satellite images. The proper techniques of the optimum spatialresolution for the urban spatial thermal environment structure were analyzed. Thermal infraredsatellite image of Seoul city were used for the change rate of surface temperature variation andsuggested to the spatial extent and effects of urban surface characteristics and spatial data wasinterpreted as regions. To extract the surface temperature, Landsat thermal infrared satelliteimage compared with an automatic weather station data and in the field of the measuredtemperature and surface temperature by thermal environment affects, the spatial domain hasbeen verified. The surface temperature of the satellite images to extract after adjusting surfacetemperature isotherms were constructed. The changes in surface temperature from 2008 to 2012the average surface temperature observation images of changing areas were divided into space.The results of this study are as follows: Through analysis of satellite imagery, Seoul city surfacetemperature change due to extraction comfort indices were classified into four grades. Thecomfort index indicative of the temperature of Gangnam-gu, 23.7 ~ 27.2 (C˚) range and Songpa-gu, a 22.7 ~ 30.6 (C˚) respectively, the surface temperature of Yeouido 25.8 ~ 32.6 (C˚) were inthe range.Keywords : Land Surface Temperature, Thermal infrared satellite image, optimum spatialresolution, Land cover

The Land Surface Temperature Analysis of Seoul city using Satellite Image