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Retrieve component temperature for wheat field with ASTER image

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6 Author(s)
Qiang Liu ; Inst. of Remote Sensing Application, Acad. Sinica, Beijing, China ; Xiao-Zhou Xin ; Ru-Ru Deng ; Qing Xiao
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In order to retrieve land surface component temperature from multi-spectral remote sensing images, such as ASTER, we choose a component equivalent emissivity model, and iterative linear regression inversion algorithm. The method is tested with ASTER image of VNIR and TIR channels, as well as supplementary and validation data acquired from ground experiment. The atmospheric effect is corrected with the dark-object method; surface structural information is derived from ASTER VNIR observations; component emissivity is measured in situ with the BOMEN MR-154 spectrometer; validation data are also measured in ground experiments. Finally, the accuracy of the results and sources of error are analyzed.

Published in:

Geoscience and Remote Sensing Symposium, 2002. IGARSS '02. 2002 IEEE International  (Volume:6 )

Date of Conference:

24-28 June 2002

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