期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN:2194-9042
电子版ISSN:2194-9050
出版年度:2004
卷号:XXXV Part B7
页码:44-48
出版社:Copernicus Publications
摘要:The heat island phenomenon, caused by urbanization, is one of the growing problems in Japan. In this study, we have described the radiometric temperature of the ground surface observed by the airborne thermal sensor in the Hiroshima City. The obtained results showed that the river and forest areas had lower temperatures whereas the roads had the highest. The temperatures of the Business District areas were almost same as that of the bare soils. We also observed the ground surface temperature in the Fuchu City, located near the Tokyo Metropolitan area and three kinds of hyperspectral responses of the several buildings were compared which were selected from the high, middle and low temperature buildings. We noticed the differences in the observed DN values. Finally we analysed the relationship between the reflectance and surface temperature of the same materials utilizing hyperspectral and thermal data. A negative correlation of the observed temperature in the daytime data was obtained, but no correlation was seen for the nighttime data. The study showed promising results for our current and future works to utilize the airborne thermal and hyperspectral sensing for assessing and mitigating the heat island in Japan
关键词:Hyperspectral; Thermal; High resolution; Urban; Aerial