Abstract
Bidirectional Reflectance Distribution Function (BRDF), Albedo, and Nadir BRDF Adjusted Reflectance (NBAR) products are being produced for the Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi-National Polar-orbiting Partnership (NPP) satellite in order to extend the MODerate resolution Imaging Spectroradiometer (MODIS) record for research and operational users. The VIIRS product is evaluated by comparison with the MODIS Collection V006 BRDF, Albedo, and NBAR products and in situ albedo collected at spatially representative sites. Preliminary results show that VIIRS can provide comparable BRDF, Albedo, NBAR products as with MODIS. Furthermore, the VIIRS, MODIS and in situ albedos agree well at spatially representative evaluation sites. The accuracy of both products therefore meet the requirements for climate and biosphere models and long term monitoring studies.
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