Future potential of thermal infrared multispectral data for mapping temperature and emissivity parameters

Details Future potential of thermal infrared multispectral data for mapping temperature and emissivity parameters Future potential of thermal infrared multispectral data for mapping temperature and emissivity parameters

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14...71r&link_type=abstract

Advances in Space Research, Volume 14, Issue 3, p. 71-80.

Computer Science

Performance

Scientific paper

The instrument named Advanced Spaceborne Thermal Emission Reflection Radiometer (ASTER) is introduced as the future system for mapping temperature and emissivity parameters. The advanced features of the thermal infrared (TIR) subsystem are the high performance of NEΔT and spatial resolution. The expected data products related to ASTER TIR subsystem are briefly described. The general characteristics of TIR images are examined by the comparison of TIR images in the areas with various land cover. The ability to map thermal conditions on the earth surface are demonstrated but at the same time the necessity of the performance improvement is also indicated so as to detect the subtle spectral difference of the surface especially in vegetated and coastal areas. As to the algorithm development, potential evaluation of temperature estimation has been performed by the airborne field experiments. The resultant temperatures by the different derivation algorithms are quantitatively compared to evaluate the effect of atmospheric profile data such as temperature and humidity profiles. The results show the surface temperature is well derived by the both methods. Finally, the remaining problems are summarized for the development of algorithms.

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