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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
ASTER Global Digital Elevation Model V003
National Aeronautics and Space Administration —
The Terra Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) Version 3 (ASTGTM) provides a global digital... -
Federal
A Global Database of Gas Fluxes from Soils after Rewetting or Thawing, Version 1.0
National Aeronautics and Space Administration —
This database contains information compiled from published studies on gas flux from soil following rewetting or thawing. The resulting database includes 222 field and... -
Federal
MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status V005
National Aeronautics and Space Administration —
This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains a global record of the daily... -
Federal
AMSR-E/Aqua Daily Global Quarter-Degree Gridded Brightness Temperatures, Version 1
National Aeronautics and Space Administration —
The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA EOS Aqua satellite provides global passive microwave measurements...