Vicarious calibration of VNIR/SWIR bands of ASTER
Vicarious calibration of VNIR/SWIR bands of ASTER
Vicarious calibration of VNIR/SWIR bands of ASTER
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U<strong>of</strong>A Reflectance-BasedRemote Sensing Group at University <strong>of</strong> Arizona reliesprimarily on a reflectance-based approachP Atmospheric characterization! Aerosol amount! Aerosol phase function and single scatter albedo! Column absorber amounts (water vapor and ozone)P Surface reflectance! Measurement <strong>of</strong> a preselected area from the ground! Use <strong>of</strong> airborne or satellite-based sensorP Input into a radiative transfer code to predict at-sensorradianceP Band-averaged over sensor spectral response andcompared to reported radiance from sensor
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