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http://dx.doi.org/10.7780/kjrs.2004.20.2.103

Estimation of Local Surface Temperature from EBM with the Use of GRID/GIS and Remote Sensed data  

신선희 (부산대학교 대기과학과)
하경자 (부산대학교 대기과학과)
김재환 (부산대학교 대기과학과)
오현미 (부산대학교 대기과학과)
조명희 (경일대학교 도시정보·지적공학과)
Publication Information
Korean Journal of Remote Sensing / v.20, no.2, 2004 , pp. 103-116 More about this Journal
Abstract
The mesoscale atmospheric models to produce surface temperature can not generally consider the effect of the sloped terrain for direct solar radiation. These have not showed the regional difference of solar radiation and as a result, have made the big error in the local surface temperature. Therefore, we wished to represent the exact locality of surface temperature by considering the geometric properties of surface as well as the vegetated properties of surface. The purpose of the study is to produce local surface ground temperature in sloped terrain diagnostically using surface Energy Balance Model (EBM) with the use of GRID model in Geographic Information Systems (GIS). In this study, surface inhomogeneity over southeastern part of Korean peninsula are considered in estimation of the absorbed surface solar radiation in terms of the illumination angle, depending on topographical aspect and slope in GRID. Also, the properties of vegetated surface which the major components for the variability of surface temperature are considered in terms of NDVI. The results of our study show the locally changes in the surface ground temperature due to local ground aspect and slope effect and local properties of vegetated surface. The more detailed distribution of local surface temperature may drive the local circulation at lower atmospheric and it may explain better the real local circulation.
Keywords
Local Surface Temperature; Energy Balanced Model (EBM); Sloped Terrain; Geographic Information Systems (GIS); Illumination Angle;
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