| 4D-Var |
Four-Dimensional Variation |
| AAAS |
American Association for the Advancement of Science |
| AAFC |
Agriculture and Agri-Food Canada |
| ABoVE |
Arctic-Boreal Vulnerability Experiment |
| ABR |
Arctic and Boreal Region |
| ACCER |
Alaska Climate Change Executive Roundtable |
| ACCESS |
Advancing Collaborative Connections for Earth System Science |
| ACE |
Aerosol-Cloud-Ecosystems |
| ACOS |
Atmospheric CO2 Observations from Space |
| AERONET |
Aerosol Robotics Network |
| AES |
Airborne Emissions Spectrometer |
| AGAGE |
Advanced Global Atmospheric Gases Experiment |
| AGB |
Above Ground Biomass |
| AGCM |
Atmospheric General Circulation Model |
| AGU |
American Geophysical Union |
| AirMOSS |
Airborne Microwave Observatory of Subcanopy and Subsurface |
| AIRS |
Atmospheric Infrared Sounder |
| AIS |
ABoVE Information System |
| AISCG |
ABoVE Information System Coordinating Group |
| AIST |
Advanced Information Systems Technology |
| AKDOF |
Alaska Division of Forestry |
| ALI |
Advanced Land Imager |
| ALOS |
Advanced Land Observing Satellite |
| AMSR-E |
Advanced Microwave Scanning Radiometer for EOS |
| AMSU-A |
Advanced Microwave Sounding Unit - A |
| AO |
Arctic Ocean |
| ARC |
Ames Research Center |
| ART |
Arctic in Rapid Transition |
| ASCAT |
Advanced Scatterometer |
| ASCENDS |
Active Sensing of CO2 Emissions over Nights, Days and Seasons |
| ASR |
ABoVE Study Region |
| ASSG |
ABoVE Science Steering Group |
| ASTER |
Advanced Spaceborne Thermal Emission and Reflection Radiometer |
| ATI |
Advanced Technology Initiatives |
| AVHRR |
Advanced Very High Resolution Radiometer |
| AVIRIS |
Airborne Visible/Infrared Imaging Spectrometer |
| BCLTER |
Bonanza Creek Long Term Ecological Research |
| BER |
DOE Office of Biological and Environmental Research |
| BLM |
Bureau of Land Management |
| BOREAS |
Boreal Ecosystem-Atmosphere Study |
| BRDF |
Bidirectional reflectance Distribution Function |
| BSi |
Biogenic Silica |
| CarboNA |
Canada-U.S.-Mexico Carbon Program in North America |
| CARVE |
Carbon in Arctic Reservoirs Vulnerability Experiment |
| CASA |
Carnegie Ames Stanford Approach- a global ecosystem model |
| CCE |
Carbon Cycle and Ecosystems |
| CCEO |
Carbon Cycle and Ecosystems Office |
| CCIWG |
Carbon Cycle Interagency Working Group |
| CCRS |
Canadian Center for Remote Sensing |
| CCS |
carbon capture and storage |
| CCSP |
Climate Change Science Program |
| CCSSG |
Carbon Cycle Science Steering Group |
| CDOM |
Chromophoric Dissolved Organic Matter |
| CENR |
Committee on Environment and Natural Resources Research |
| CEOS |
Committee on Earth Observation Satellites |
| CERES |
Clouds and the Earth's Radiant Energy System |
| CFS |
Canadian Forest Service |
| CH4 |
Methane |
| CMS |
Carbon Monitoring System |
| CO2 |
Carbon dioxide |
| CSA |
Canadian Space Agency |
| CZCS |
Coastal Zone Color Scanner |
| DAAC |
Distributed Active Archive Center |
| DESDynI |
Deformation, Ecosystem Structure, and Dynamics of Ice |
| DLEM |
Dynamic Land Ecosystem Model |
| DLR |
German Space Agency |
| DEM |
Digital Elevation Model |
| DIC |
Dissolved Inorganic Carbon |
| DLU |
Discrete Landscape Unit |
| DOC |
Dissolved Organic Carbon |
| DOE |
Department of Energy |
| DOI |
Department of the Interior |
| ECCO2 |
Estimating the Circulation and Climate of the Ocean, Phase II |
| ED |
Ecosystem Demography |
| EDC |
EROS Data Center |
| EIWG |
Ecosystems Interagency Working Group |
| ENVISAT |
Environmental Satellite |
| EO-1 |
Earth Observing-1 |
| EOS |
Earth Observing System |
| EPA |
Environmental Protection Agency |
| EPO |
Education and Public Outreach |
| EROS |
Earth Resources Observation and Science |
| ERS |
Earth Resources Satellite |
| ESA |
European Space Agency |
| ESRL |
Earth System Research Laboratory |
| ESSF |
Earth System Science Fellowship |
| ESSP |
Earth System Science Pathfinder |
| ESTO |
Earth Science Technology Office |
| ETM+ |
Enhanced Thematic Mapper Plus |
| EVI |
Enhanced Vegetation Index |
| FACE |
Free Air CO2 Enrichment |
| FAO |
Flight Activities Officer |
| FAS |
Foreign Agricultural Service |
| FAS |
Foreign Agricultural Service |
| FIA |
USDA Forest Service Forest Inventory and Analysis |
| FIADB |
Forest Inventory Analysis Database |
| FIFE |
First ISLSCP Field Experiment |
| FluxNet |
Flux Network (Should we remove this?) |
| FPAR |
Fractional Photosynthetically Active Radiation |
| FSCG |
Field Studies Coordinating Group |
| FTIR |
Fourier Transform Infrared Spectroscopy |
| GAC |
Global Area Coverage |
| GCM |
General Circulation Model |
| GCOM |
Global Change Observation Mission |
| GCP |
Global Carbon Project |
| GCWG |
Government Coordinating Working Group |
| GEO |
Group on Earth Observation |
| GEO-CAPE |
Geostationary Coastal and Air Pollution Events Mission |
| GEOS-Chem |
Goddard Earth Observing System Chem model- a global 3-D chemical transport model |
| GEOSS |
Global Earth Observation System of Systems |
| GFED |
Global Fire Emissions Database |
| GHG |
Greenhouse Gas |
| GLAS |
Geoscience Laser Altimeter System |
| GLODAP |
Global Data Analysis Project |
| GLP |
Global Land Project |
| GLS |
Global Land Surveys |
| GMAO |
Global Modeling and Assimilation Office |
| GOCART |
Global Ozone Chemistry Aerosol Radiation Transport |
| GOFC/GOLD |
Global Observation of Forest and Land Cover Dynamics |
| GOOS |
Global Ocean Observing System |
| GOSAT |
Greenhouse gases Observing SATellite |
| GPM |
Global Precipitation Measurement |
| GPP |
Gross Primary Productivity |
| GRACE |
Gravity Recovery and Climate Experiment |
| GSFC |
Goddard Space Flight Center |
| GTOS |
Global Terrestrial Observing System |
| HNL |
High Northern Latitude |
| HSB |
Humidity Sounder for Brazil |
| HyspIRI |
Hyperspectral Infrared Imager |
| IARC |
International Arctic Research Center |
| IASI |
Infrared Atmospheric Sounding Interferometer |
| ICESat-II |
Ice, Cloud, and Land Elevation Satellite-II |
| ICSU |
International Council for Science |
| IDL |
Interactive Data Language |
| IGBP |
International Geosphere-Biosphere Programme |
| IGOL |
Integrated Global Observations for Land |
| IGOS |
Integrated Global Observing System |
| IGOS-P |
Integrated Global Observing System-P |
| IHDP |
International Human Dimensions Programme |
| IIP |
Instrument Incubator Program |
| iLEAPS |
Integrated Land Ecosystem-Atmosphere Processes Study |
| IMBER |
Integrated Marine Biogeochemistry and Ecosystem Research |
| IMF |
Integrated Modeling Framework |
| IOCCG |
International Ocean Color Coordinating Group |
| IOOS |
NOAA Integrated Ocean Observation System |
| IPCC |
Intergovernmental Panel on Climate Change |
| IPY |
International Polar Year |
| ISLSCP |
International Satellite Land Surface Climatology Project |
| IWG |
Interagency Working Group |
| JAMSTEC |
Japan Agency for Marine-Earth Science and Technology |
| JAXA EORC |
Japan Aerospace Exploration Agency Earth Observing Research Center |
| JGOFS |
Joint Global Ocean Flux Study |
| JPL |
Jet Propulsion Lab |
| JPSS |
Joint Polar-orbitting Satellite System |
| JSOST |
Joint Subcommittee on Ocean Science and Technology |
| LAC |
Local Area Coverage |
| LAI |
Leaf Area Index |
| Landsat TM |
Landsat Thematic Mapper |
| Landsat ETM |
Landsat Enhanced Thematic Mapper |
| LBA |
Large Scale Biosphere-Atmosphere Experiment in Amazonia |
| LCC |
Landscape Conservation Cooperative |
| LCLUC |
Land Cover and Land Use Change |
| LDCM |
Landsat Data Continuity Mission |
| LEDAPS |
Landsat Ecosystem Disturbance Adaptive Processing System |
| LIDAR |
Light Detection And Ranging |
| LIST |
Lidar Surface Topography |
| LP DAAC |
Land Processes Distributed Active Archive Center |
| LTER |
Long Term Ecological Research |
| LUCC |
Land Use and Cover Change |
| LUIWG |
Land Use Interagency Working Group |
| LULCC |
Land Use and Land Cover Change |
| LVIS |
Laser Vegetation Imaging Sensor |
| MAIRS |
Monsoon Asia Integrated Regional Study |
| MAST-DC |
Modeling and Synthesis Thematic Data Center |
| MCI |
Mid-Continent Intensive |
| MDGLS |
Mid-Decadal Global Land Survey |
| MEaSUREs |
Making Earth System data records for Use in Research Environments |
| MERRA |
Modern Era Retrospective-Analysis for Research and Applications |
| MISR |
Multi-angle Imaging Spectroradiometer |
| MITgcm |
Massachusetts Institute of Technology general circulation model |
| MODIS |
Moderate Resolution Imaging Spectroradiometer |
| MOPITT |
Measurements of Pollution in the Troposphere |
| MRV |
Monitoring, Reporting, and Verification |
| MSP |
Multidisciplinary Science Project |
| MWG |
Modeling Working Group |
| NACP |
North American Carbon Program |
| NAFD |
North American Forest Dynamics |
| NASA |
National Aeronautics and Space Administration |
| NCAR |
National Center for Atmospheric Research |
| NDVI |
Normalized Difference Vegetation Index |
| NED |
National Elevation Data |
| NEE |
Net Ecosystem Exchange |
| NEESPI |
Northern Eurasian Earth Science Partnership Initiative |
| NENA |
Northeastern North American |
| NEON |
National Ecological Observatory Network |
| NEP |
Net Ecosystem Production |
| NESSF |
NASA Earth and Space Science Fellowship |
| netCDF |
Network Common Data Forms |
| NGEE |
Next Generation Ecosystem Experiment |
| NGO |
Nongovernmental Organization |
| NIST |
National Institute for Standards and Technology |
| NLCD |
National Land Cover Dataset |
| NOAA |
National Oceanic and Atmospheric Administration |
| NOBM |
NASA Ocean Biogeochemical Model |
| NPOESS |
National Polar-orbiting Operational Environmental Satellite System |
| NPP |
Net Primary Productivity |
| NPP |
NPOESS Preparatory Project |
| NPS |
National Park Service |
| NRA |
NASA Research Announcement |
| NRC |
National Research Council |
| NSCAT |
NASA Scatterometer |
| NSERC |
Natural Sciences and Engineering Research Council of Canada |
| NSF |
National Science Foundation |
| NSPIRES |
NASA Solicitation and Proposal Integrated Review and Evaluation System |
| NSSI |
North Slope Science Initiative |
| OASIM |
Ocean-Atmosphere Spectral Irradiance Model |
| OC |
Ocean Color |
| OCB |
Ocean Carbon and Biogeochemistry Program |
| OCB-SSG |
Ocean Carbon and Biogeochemistry Program - Scientific Steering Group |
| OCCC |
Ocean Carbon and Climate Change |
| OCCC-SSG |
Ocean Carbon and Climate Change - Scientific Steering Group |
| OCO |
Orbiting Carbon Observatory |
| OCO-2 |
Orbiting Carbon Observatory-2 |
| OOI |
Ocean Observatories Initiative |
| ORNL |
Oak Ridge National Laboratory |
| OSTM |
Ocean Surface Topography Mission |
| OTTER |
Oregon Transect Ecosystem Research |
| PABA |
Pan Arctic/Boreal Assessment |
| PACE |
Pre-ACE (Aerosol-Cloud-ocean Ecosystem) |
| PALS |
Passive Active L and S Band microwave sensor |
| PALSAR |
Phased Array type L-band Synthetic Aperture Radar |
| PCTM |
Parametrized Chemical Transport Model |
| PI |
Principal Investigator |
| PIC |
Particulate Inorganic Carbon |
| POC |
Particulate Organic Carbon |
| POES |
Polar Orbiting Environmental Satellite |
| PRA |
Primary Research Area |
| QuikSCAT |
Quick Scatterometer |
| RCN |
Research Coordinating Group |
| RCP |
Respresentative Concentration Pathway |
| REASoN |
Research, Education, and Applications Solution Network |
| REDD |
Reducing Emissions from Deforestation and Degradation |
| ROSES |
Research Opportunities in Space and Earth Sciences |
| RSCG |
Remote Sensing Coordinating Group |
| SAP |
Synthesis and Assessment Product |
| SAR |
Synthetic Aperture Radar |
| SCIAMACHY |
Scanning Imaging Absorption Spectrometer for Atmospheric Cartography |
| SeaWiFS |
Sea-viewing Wide Field-of-view Sensor |
| SDT |
Science Definition Team |
| SEARCH |
Study of Environmental Change in the Arctic |
| SIMOR |
Subcommittee on Integrated Management of Ocean Resources |
| SMAP |
Soil Moisture Active and Passive |
| SO GasEx |
Southern Ocean Gas Exchange Experiment |
| SOCCR |
State of the Carbon Cycle Report |
| SOLAS |
Surface Ocean Lower Atmosphere Study |
| SPOT |
Systeme Pour l'Observation de la Terre (System for Earth Observation) |
| SRA |
Secondary Research Area |
| SRTM |
Shuttle Radar Topography Mission |
| SSC |
Scientific Steering Committee |
| SSG |
Science Steering Group |
| SSM/I |
Special Sensor Microwave/Imager |
| SST |
Sea Surface Temperature |
| ST |
Science Team |
| START |
global change SysTem for Analysis, Research, and Training |
| STEM |
Science, Technology, Engineering,and Mathematics |
| Suomi NPP |
Suomi National Polar-orbiting Partnership |
| TCCON |
Total Carbon Column Observing Network |
| TE |
Terrestrial Ecology |
| TES |
Tropospheric Emission Spectrometer |
| TM |
Thematic Mapper |
| TOPS |
Terrestrial Observation and Prediction System |
| TRMM |
Tropical Rainfall Measuring Mission |
| UAVSAR |
Unmanned Aerial Vehicle Synthetic Aperture Radar |
| UCAR |
University Center for Atmospheric Research |
| UGEC |
Urban and Global Environmental Change |
| USAID |
United States Agency for International Development |
| USDA |
United States Department of Agriculture |
| USFS |
United States Forest Service |
| USFWS |
United States Fish and Wildlife Service |
| USGCRP |
United States Global Change Research Program |
| USGS |
U.S. Geological Survey |
| USOAP |
U.S. Ocean Action Plan |
| VIIRS |
Visible Infrared Imaging Radiometer Suite |
| VOS |
Volunteer Observing Ships |
| VuRSAL |
Vulnerability and Resiliency of Arctic and Sub-Arctic Landscapes |
| WCRP |
World Climate Research Program |
| WGCV |
Working Group on Calibration and Validation |
| WOCE/JGOFS |
World Ocean Circulation Experiment/ Joint Global Ocean Flux Study |
