Correction of Atmospheric Effects on AVHRR Imagery by 6S Code.

概要

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By using 6S code, atmospheric effects on the channels 1 and 2 data of NOAA/AVHRR imagery for observing NDVI in the midlatitude and subarctic regions are evaluated. It is found that the amount of disturbance highly depends upon sun-target-sensor geometry and terrain elevation at the ground point of object as well as atmospheric conditions. A new atmospheric correction algorithm by applying a look-up table (LUT) method to 6S code is proposed to reduce processing time for the huge volume of AVHRR data in the operational mode. Finally, the algorithm is applied to the five AVHRR images of Inner Mongolia, and is confirmed its accuracy and efficiency.
社団法人日本リモートセンシング学会の論文