D
Acronyms and Abbreviations
ACRIM
Active Cavity Radiometer Irradiance Monitor
ADEOS
Advanced Earth Observing Satellite
AMSU
Advanced Microwave Sounding Unit
ATD
advanced technology development
ATMS
Advanced Technology Microwave Sounder
AVHRR
Advanced Very High Resolution Radiometer
BigFoot
A NASA Earth Observing System mapping project
CDR
climate data record
CEOS
Committee on Earth Observation Satellites
CERES
Clouds and the Earth’s Radiation Energy System
CES
Committee on Earth Studies
CGPM
Conférence Générale des Poids et Mesures
CMIS
Conical Scanning Microwave Imager/Sounder
CrIS
Cross-track Infrared Sounder
DAAC
distributed active archive center
DMSP
Defense Meteorological Satellite Program
DOD
Department of Defense
EDR
environmental data record
ENSO
El Niño/Southern Oscillation
EOF
empirical orthogonal function
EOS
Earth Observing System
EOS AM
Earth Orbiting System Morning Satellite
EOS PM
Earth Orbiting System Afternoon Satellite
EOSDIS
Earth Observing System Data and Information System
ERB
Earth Radiation Budget
ERBE
Earth Radiation Budget Experiment
ERBS
Earth Radiation Budget Satellite
ERS
Earth Resources Satellite
ESE
Earth Science Enterprise
ESSIPs
Earth System Science Information Partnerships
ESSP
Earth System Science Pathfinder
ETM+
Enhanced Thematic Mapper
EUMETSAT
European Organization for the Exploitation of Meteorological Satellites
GOES
Geostationary Operational Environmental Satellite
HRC
highly reflective cloud
IDPS
integrated data processing system
IGBP
International Geosphere-Biosphere Program
IIP
Instrument Incubator Program
IORD-1
Integrated Operational Requirements Document (First Version)
IPFT
Integrated Product Formulation Team
IPO
Integrated Program Office
ISO
International Organization for Standardization
LECT
local equatorial crossing time
LIDQA
Landsat Instrument Data Quality Assessment
LTA
long-term archive
METOP
Meteorological Operational satellite
METOP-3
EUMETSAT Operational Polar Orbiter 3
MODIS
Moderate-resolution Imaging Spectroradiometer
MODLAND
MODIS Land Group
MSU
Microwave Sounding Unit
MTF
modulation transfer function
NAOS
North American Atmospheric Observing System
NASA
National Aeronautics and Space Administration
NCAR
National Center for Atmospheric Research
NCDS
NPOESS Climate Data System
NESDIS
National Environmental Satellite Data and Information Service
NewDISS
New Data and Information System and Services
Nimbus-7
NASA Environmental Research Satellite Series, 7
NIST
National Institute of Standards and Technology
NMP
New Millennium Program
NOAA
National Oceanic and Atmospheric Administration
NPOESS
National Polar-orbiting Operational Environmental Satellite System
NPP
NPOESS Preparatory Project
NRA
NASA research announcement
NRC
National Research Council
OCTS
Ocean Color and Temperature Scanner
OI
optimum interpolation
OLR
outgoing longwave radiation
OMPS
Ozone Mapping and Profiler Suite
OSIP
Operational Satellite Improvement Program
OSS
Office of Space Science
PDRR
program development and risk reduction (phase)
PI
principal investigator
POES
Polar-orbiting Operational Environmental Satellite
QuikSCAT
Quick Scatterometer
RDR
raw data record
RFP
request for proposal
SBUV
Solar Backscatter Ultraviolet
SDR
sensor data record
SDRR
system definition and risk reduction (phase)
SDS
Science Data System
SeaWiFS
Sea Viewing Wide-Field-of-View Sensor
SI units
Système International d’Unités
SIMBIOS
Sensor Intercomparison and Merger for Biological and Interdisciplinary Oceanic Studies
SORCE
Solar Radiation and Climate Experiment
SRCA
Spectroradiometric Calibration Assembly
SSM/I
Special Sensor Microwave/Imager
SST
sea surface temperature
TBM
terabit memory
TDP
Technology Development Plan
TIROS
Television Infrared Observation Satellite
TOA
top of the atmosphere
TOPEX
Ocean Surface Topography Experiment
TOVS
TIROS-N operational vertical sounder
TRMM
Tropical Rainfall Measuring Mission
TSI
total solar irradiance
TSIM
Total Solar Irradiance Monitor
TSPR
total system performance requirements
USGCRP
U.S. Global Change Research Program
VIIRS
Visible/Infrared Imager and Radiometer Suite
VIRS
Visible and Infrared Scanner
