Estimation of subpixel temperature over a heterogeneous area using an endmember index based technique
文献类型： 外文期刊
作者： Yang Guijun 1 ; Huang Wenjiang 1 ; Wang Jihua 1 ; Zhao Chunjiang 1 ;
作者机构： 1.Beijing Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
关键词： Subpixel temperature;Endmember inde;MODIS;ASTER
期刊名称：2011 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
ISSN： 2153-6996
年卷期： 2011 年
页码：
收录情况： SCI
摘要： Land surface temperature (LST) is a key parameter in numerous environmental studies. In order to lower the subpixel temperature estimation error caused by re-sampling of remote sensing data, a disaggregation method for subpixel temperature using the remote sensing endmember index based technique (DisEMI) was established in this study. To take an advantage of simultaneous, multi-resolution observations at coincident nadirs by the Advanced Spaceborne Thermal Emission Reflection Radiometer (ASTER) and the MODerate-resolution Imaging Spectroradiometer (MODIS), LST products from the two sensors were examined for a portion of suburb area in Beijing, China. The verified results indicate that the estimated temperature distribution was basically consistent with that of ASTER LST product(R-2 = 0.709 and RMSE = 2.702 K).
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