The Detection of Thermal Field Change in Urban and Suburban Areas of Wuhan City with TM Data and an Analysis of the Affecting Factors

摘要

This report is carried out on the basic analysis data of the Wuhan TM thermal infrared data, and the results were qualitatively analyzed. With the bands of 1998 and 2005, the basic factors affecting the thermal field, namely buildings, greenbelts and water bodies, were identified by modeling the feature extraction. On the basis of that, the data was analyzed for the features of the underlying changing with the time and space.