MODIS Terra Surface Reflectance 8-Day L3 Global 500m 2007-09
type: Dataset
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keyword: MODIS
keyword: Terra
keyword: NASA
keyword: Satellite
keyword: Global
keyword: Imagery
keyword: Optical
keyword: Reflectance
keyword: Surface Reflectance
keyword: 500m
keyword: MOD09A1
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description: The MODIS Terra MOD09A1 Version 6.1 product provides atmospherically corrected Surface Reflectance for MODIS Bands 1-7 at 500 m spatial resolution. The reflectance values are corrected for atmospheric effects including gases, aerosols, and Rayleigh scattering. The dataset is produced as an 8-day composite, where for each pixel the most suitable observation is selected from all acquisitions within the compositing period based on criteria such as cloud conditions and solar zenith angle. When multiple observations meet these criteria, the pixel with the lowest value in Band 3 (blue) is selected. The product also includes two quality assurance layers and four observation bands to support data quality assessment and interpretation.
temporal: PeriodOfTime
  start date: 2007-09-01T00:00:00.000Z
  end date: 2007-09-30T23:59:59.999Z
license: other