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OrbView-2 SeaWiFS 4M Global Mapped Garver-Siegel-Maritorena Model (GSM) Data, version R2022.0

Published by NASA/GSFC/SED/ESD/GCDC/OB.DAAC | National Aeronautics and Space Administration | Catalog Last Checked: August 05, 2026 at 12:06 AM | Dataset Last Updated: April 23, 2025
The SeaWiFS instrument was launched by Orbital Sciences Corporation on the OrbView-2 (a.k.a. SeaStar) satellite in August 1997, and collected data from September 1997 until the end of mission in December 2010. SeaWiFS had 8 spectral bands from 412 to 865 nm. It collected global data at 4 km resolution, and local data (limited onboard storage and direct broadcast) at 1 km. The mission and sensor were optimized for ocean color measurements, with a local noon (descending) equator crossing time orbit, fore-and-aft tilt capability, full dynamic range, and low polarization sensitivity.

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