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SMAPVEX08 Vegetation Water Content Map V001

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Metadata Last Checked: January 03, 2026 | Last Modified: 2025-07-17
The Vegetation Water Content (VWC) map for the Soil Moisture Active Passive Validation Experiment 2008 (SMAPVEX08) was derived by calculating Normalized Difference Water Index (NDWI) from Satellite Pour l'Observation de la Terre-4 (SPOT-4) overpasses on 11 October 2008. In addition, samples from a range of vegetation types were used to compare VWC and NDWI to the satellite imagery.

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