| Definitions |
Purpose |
| AERONET |
Atmospheric Composition Subgroup |
| AOD |
Aerosol Optical Depth |
| AOT |
Aerosol Optical Thickness |
| ASTER |
Advanced Space-borne Thermal Emission and Reflection Radiometer |
| ARP |
Application Related Product |
| ATBD |
Algorithm Theoretical Basis Document |
| AVHRR |
Advanced Very High Resolution Radiometer |
| BRDF |
Bidirectional Reflectance Distribution Function |
| BRF |
Bidirectional Reflectance Factor |
| C5 |
Collection-5 |
| C6 |
Collection-6 |
| CEOS |
Committee on Earth Observing Satellites |
| CLASS |
Comprehensive Large Array-Data Stewardship System |
| CMG |
Climate Modeling Grid |
| CONUS |
Conterminous United States |
| DAAC |
Distributed Active Archive Center |
| DDR |
Diagnostic Data Record |
| DEM |
Digital Elevation Model |
| DNB |
Day/Night Band |
| DOI |
Digital Object Identifier |
| DTED |
Digital Terrain Elevation Data |
| EASE |
Equal-Area Scalable Earth |
| ECV |
Essential Climate Variable |
| EDR |
Environmental Data Record |
| EOS |
Earth Observing System |
| EOSDIS |
Earth Observing System Data Information System |
| EPTOMS |
Earth Probe Total Ozone Mapping Spectrometer |
| EROS |
Earth Resources Observation and Science |
| ESDIS |
Earth Science Data and Information System |
| ESDR |
Earth Science Data Record |
| ESDT |
Earth Science Data Type |
| ETM+ |
Enhanced Thematic Mapper Plus |
| FPAR |
Fraction of photosynthetically active radiation |
| FTP |
File Transfer Protocol |
| GCMD |
Global Change Master Directory |
| GCOS |
Global Climate Observing System |
| GEO |
Group on Earth Observations |
| GEOSS |
Global Earth Observing System of Systems |
| GIS |
Geographic Information System |
| GPP |
Gross Primary Productivity |
| GSFC |
Goddard Space Flight Center |
| HDF |
Hierarchical Data Format |
| HEG |
HDF-EOS to GeoTIFF Conversion Tool |
| HEW |
HDF-EOS WEB-based subsetter |
| HTTP |
Hypertext Transport Protocol |
| IDPS |
Interface Data Processing Segment |
| IP |
Intermediate Product |
| IPCC |
Intergovermental Panel on Climate Change |
| JPL |
Jet Propulsion Laboratory |
| JPSS |
Joint Polar Satellite System |
| L2G |
Level-2 Gridded |
| LAADS |
Land and Atmosphere Archive and Distribution System |
| LAI |
Leaf Area Index |
| LARSE |
Laboratory for Applications of Remote Sensing in Ecology |
| LANCE |
Land, Atmosphere Near real-time Capability for EOS |
| LDOPE |
Land Data Operational Product Evaluation |
| LP DAAC |
Land Processes Distributed Active Archive Center |
| LPV |
Land Product Validation |
| LST |
Land Surface Temperature |
| MAIAC |
Multiangle Implementation of Atmospheric Correction |
| MASTER |
MODIS/ASTER Airborne Simulator |
| MEaSUREs |
Making Earth System data records for Use in Research Environments |
| MODAPS |
MODIS Adaptive Processing System |
| MODExtract |
MODIS Data Pool Extraction Tool |
| MODTRAN |
MODerate resolution atmospheric TRANsmission |
| MODIS |
Moderate Resolution Imaging Spectroradiometer |
| MRT |
MODIS Reprojection Tool |
| MRTSwath |
MODIS Reprojection Tool for Swath |
| MRTWeb |
MODIS Reprojection Tool for the Web |
| NACP |
North American Carbon Program |
| NASA |
National Aeronautics and Space Administration |
| NED |
National Elevation Dataset |
| NESDIS |
NOAA Satellite and Information Service |
| NOAA |
National Oceanic and Atmospheric Administration |
| NPP |
Net Primary Production |
| NPP |
National Polar-orbiting Partnership |
| NPOESS |
National Polar-orbiting Operational Environmental Satellite System |
| NRT |
Near Real Time |
| NSIDC |
National Snow and Ice Data Center |
| OAD |
Operational Algorithm Description |
| OCDPS |
Ocean Color Data Processing System |
| ORNL |
Oak Ridge National Lab |
| PEATE |
Product Evaluation and Analysis Tool Element |
| QA |
Quality Assurance |
| QC |
Quality Control |
| RIP |
Retained Intermediate Product |
| RDR |
Raw Data Record |
| SDR |
Sensor Data Record |
| SDS |
Science Data Set |
| SIN |
Sinusoidal |
| SIPS |
Science Investigator-led Processing System |
| S-NPP |
Suomi National Polar-Orbiting Partnership |
| SWIR |
Shortwave Infrared |
| TIR |
Thermal-Infrared |
| TOA |
Top-of-Atmosphere |
| TOVS |
TIROS Operational Vertical Sounder |
| URS |
User Registration System |
| USGS |
United States Geological Survey |
VCM |
VIIRS Cloud Mask |
| VCF |
Vegetation Continuous Fields |
| VCST |
VIIRS Calibration Support Team |
| VI |
Vegetation Index |
| VIIRS |
Visible Infrared Imaging Radiometer Suite |
| VNIR |
Visible and Near-Infrared |
| WGCV |
Working Group on Calibration and Validation |
| WGISS |
Working Group on Information Systems and Services |
| WMO |
World Meteorological Organization |
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