Appendix E
Abbreviations and Acronyms
ACRIM
Active Cavity Radiometer Irradiance Monitor
AIChE
American Institute of Chemical Engineers
CCSP
Climate Change Science Program
CFC
chlorofluorocarbon
DOE
Department of Energy
ENSO
El Niño-Southern Oscillation
EPA
Environmental Protection Agency
ERBS
Earth Radiation Budget Satellite
FY
fiscal year
GHG
greenhouse gas
GPRA
Government Performance and Results Act
HF
Hickey-Frieden radiometer
IPCC
Intergovernmental Panel on Climate Change
NASA
National Aeronautics and Space Administration
NOAA
National Oceanic and Atmospheric Administration
NRC
National Research Council
NSF
National Science Foundation
OMB
Office of Management and Budget
PART
Program Assessment Rating Tool
PI
principal investigator
PMOD
Physikalisch-Meteorologisches Observatorium Davos
R&D
research and development
RISA
Regional Integrated Science and Assessments
TAO
Tropical Atmosphere Ocean
TOGA
Tropical Ocean Global Atmosphere
TSI
total solar irradiance
USGCRP
U.S. Global Change Research Program
USGS
U.S. Geological Survey
UV
ultraviolet
VIRGO
Variability of Solar Irradiance and Gravity Oscillations
WREN
Washington Research Evaluation Network