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New England Images TM Mosaic Data Elevation Data Global Datasets

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South America Australia South West Asia Europe Asia Africa Antarctica Antarctica Antarctica Antarctica North America North America South East Asia Russia Global Datasets

This map depicts global vegetation for the month of May, 1996.  The Normalized Difference Vegetation Index (NDVI) is used to measure vegetation intensity using a ratio of infra-red and visible red bands of data.  Two NDVI datasets were used to create this image.  Each was a 10-day composite, 8 km, AVHRR image, one early and one late May 1996.  The two datasets were composited to construct the above image.