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VIIRS/JPSS1 Snow Cover Daily L3 Global 375m SIN Grid V002

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Catalog Last Checked: August 04, 2025 at 01:29 PM | Dataset Last Updated: March 31, 2025
This data set contains daily snow cover derived from radiance data acquired by the Visible Infrared Imaging Radiometer Suite (VIIRS) on board the Joint Polar Satellite System's first satellite (JPSS-1). The data is a gridded composite, generated from 6 minute swaths, and projected to a 375 m Sinusoidal grid. Snow cover is identified using the Normalized Difference Snow Index (NDSI) and a series of screens designed to alleviate errors and flag uncertain snow cover detections.

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