All ASTER Level 1A and Level 1T scenes have been reassessed for cloud cover using the MODIS Version 6.1 cloud mask. As a result, about 1% of all ASTER Level-1A and Level-1T scenes show a cloud-coverage change of 25% or larger. Scenes acquired in high and low latitude zones show the most significant changes.
The data are available for download through NASA Earthdata Search.
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