EarthWorks Geospatial Catalog

HANPP Collection: Global Patterns in Net Primary Productivity (NPP)

The Global Patterns in Net Primary Productivity (NPP) portion of the HANPP Collection maps the net amount of solar energy converted to plant organic matter through photosynthesis. NPP is measured in units of elemental carbon and represents the primary food energy source for the world's ecosystems. This data set is distributed by the Columbia University Center for International Earth Science Information Network (CIESIN).
NASA Socioeconomic Data and Applications Center (SEDAC)
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