Sea ice, snow cover, ice sheet data, brightness, temperature, polar atmosphere

Goddard Space Flight Center (GSFC) DAAC



Ocean color, hydrology and precipitation, land biosphere, atmospheric dynamics, and chemistry

Langley Research Center (LaRC) DAAC



Radiation budget, clouds, aerosols, and tropospheric chemistry

Physical Oceanography DAAC (PO.DAAC)



Atmospheric moisture, climatology, heat flux, ice, ocean wind, sea surface height, temperature

Alaska Synthetic Aperture Radar (SAR) Facility DAAC



Sea ice, polar processes

NOTE: DOE = Department of Energy; EPA= Environmental Protection Agency; FGDC = Federal Geographic Data Committee; NASA = National Aeronautics and Space Administration; NIH = National Institutes of Health; NOAA = National Oceanic and Atmospheric Administration; NSF = National Science Foundation; USDA = U.S. Department of Agriculture; USGS = U.S. Geological Survey.

a The center is supported by contracts from 22 nonfederal and federal (e.g., EPA, NIH, FGDC, USDA, NSF) agencies.

Much of the research on the interactions of natural and human-induced changes in the global environment and the implications for society is coordinated by the United States Global Change Research Program (USGCRP). The USGCRP was established through a presidential initiative in 1989 as a multiagency effort to:

  • develop and coordinate a comprehensive and integrated program to increase the effectiveness and usefulness of government-supported global change research;

  • address scientific uncertainties about natural and human-induced Earth system changes;

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