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Improvement of Air Temperature Analysis by Precise Spatial Data on a Local-scale - A Case Study of Eunpyeong New Town in Seoul -
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 Title & Authors
Improvement of Air Temperature Analysis by Precise Spatial Data on a Local-scale - A Case Study of Eunpyeong New Town in Seoul -
Yi, Chae-Yeon; An, Seung-Man; Kim, Kyu-Rang; Choi, Young-Jean; Scherer, Dieter;
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 Abstract
A higher spatial resolution is preferable to support the accuracy of detailed climate analysis in urban areas. Airborne LiDAR (Light Detection And Ranging) and satellite (KOMPSAT-2, Korea Multi-Purpose Satellite-2) images at 1 to 4 m resolution were utilized to produce digital elevation and building surface models as well as land cover maps at very high(5m) resolution. The Climate Analysis Seoul(CAS) was used to calculate the fractional coverage of land cover classes in built-up areas and thermal capacity of the buildings from their areal volumes. It then produced analyzed maps of local-scale temperature based on the old and new input data. For the verification of the accuracy improvement by the precise input data, the analyzed maps were compared to the surface temperature derived from the ASTER satellite image and to the ground observation at our detailed study region. After the enhancement, the ASTER temperature was highly correlated with the analyzed temperature at building (BS) areas (R
 Keywords
Urban Planning;Local-scale Climate;Airborne LiDAR;Satellite Image;Land Cover;CAS (Climate Analysis Seoul);
 Language
Korean
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