Appendix A


AMSU Advanced Microwave Sounding Unit
ARM  Atmospheric Radiation Measurement
ARS  Agriculture Research Service
ASOS Automated Surface Observing System
ASTER  Advanced Spaceborne Thermal Emission and Reflectance Radiometer
AVHRR  Advanced Very High Resolution Radiometer
AWOS  Automated Weather Observing System
BOREAS  Boreal Ecosystem Atmosphere Study
BRDF  Bi-directional Reflectance Factor
CART  Clouds and Radiation Testbed
CERES  Clouds and the Earth's Radiant Energy
CSA  Continental-Scale Area
DAAC  Distributed Active Archive Center
DACOM  Data Collection and Management
DMSP  Defense Meteorological Satellite Program
DMSS  Data Management and Service
DNR  Department of Natural Resources
EAOP  Enhanced Annual Observing Period
EDC  EROS Data Center
EOP  Enhanced Observing Period
EOS  Earth Observing System
EOSDIS  Earth Observing System Data and Information System
ERBE  Earth Radiation Budget Experiment
EROS  Earth Resources Observation System
ETM  Enhanced Thermatic Mapper
FPAR  Fractional of Absorbed Photosynthetically Active Radiation
FRD  Field Research Division
GCIP  GEWEX Continental-scale International Project
GEM  Global Environment Multiscale Model
GEWEX  Global Energy and Water Cycle Experiment
GHCC  Global Hydrology and Climate Center
GIDS  GCIP Initial Data Sets
GIS  Geographic Information Systems
GOES  Geostationary Operational Environmental Satellite
GSFC  Goddard Space Flight Center (NASA)
HIRS/2  High Resolution Infrared Radiation Sounder/2
IGPO  International GEWEX Project Office
IR  Infrared
IRI  Interdisciplinary Research Initiative
ISA  Intermediate Scale Areas
ISLSCP  International Satellite Land Surface Climatology Project
LAI  Leaf Area Index
LDAS  Land Data Assimilation System
LaRC  Langley Research Center (NASA)
LSA  Large Scale Area
LSA-E  Large-Scale Area-East
LSA-NC  Large-Scale Area-Northcentral
LSA-NW  Large-Scale Area-Northwest
LSA-SW  Large-Scale Area-Southwest
LTER  Long Term Environmental Research
MAPS  Mesoscale Analysis and Prediction System
MBRFC  Missouri Basin River Forecast Center
MISR  Multi-Angle Imaging Spectroradiometer
MLRA  Major Land Resource Area
MODIS  Moderate-Resolution Imaging Spectroradiometer
MOLTS  Model Locations Time Series
MOPITT  Measurement of Pollution in the Troposphere
MORDS Model Output Reduced Data Set
MSEA  Management Systems Evaluation Areas
MSFC  Marshall Space Flight Center (NASA)
MSU  Microwave Sounding Unit
MTPE  Mission To Planet Earth
NASA  National Aeronautics and Space Administration
NASS  National Agricultural Statistics Service
NCDC  National Climatic Data Center
NCEP  National Centers for Environmental Prediction
NDVI  Normalized Difference Vegetation Index
NESDIS  National Environmental Satellite, Data, and Information Service
NGDC  National Geophysical Data Center
NOAA  National Oceanic and Atmospheric Administration
NOHRSC  National Operational Hydrologic Remote Sensing Center
NRCS  Natural Resources Conservation Service
NSF  National Science Foundation
NSIDC  National Snow and Ice Data Center
NSTL  National Soil Tilth Laboratory
NWS  National Weather Service
OH  Office of Hydrology
RFC  River Forecast Centers
RFE  Regional Finite Element
SAST  Scientific Assessment and Strategy Team
SAO  Special Observations
SOWATT  Soil Water and Temperature Transect
SSA  Small Scale Areas
SSM/I Special Sensor Microwave/Imager
SSU  Stratospheric Sounding Unit
SURFRAD  Surface Radiation
TIROS  Television InfraRed Observation Satellite
TOA  Top of the Atmosphere
TOVS  TIROS Operational Vertical Sounder
UCAR  University Corporation for Atmospheric Research
UMD  University of Maryland
USACE  U.S. Army Corps of Engineers
USDA  U.S. Department of Agriculture
USGS  United States Geological Survey
USWRP U.S. Weather Research Program
WMO  World Meteorological Organization
WRD  Water Resource Division
WSR-88D  Weather Service Radar 88-Doppler