B
Acronyms and Other Initials
ABL
Atmospheric boundary layer
ACE
Aerosol Characterization Experiment
ACE-1
Southern Hemisphere Marine Aerosol Characterization Experiment
ACE-2
North Atlantic Regional Aerosol Characterization Experiment
ACTM
Atmospheric chemical transport model
ADEOS
Advanced Earth Observation Satellite
AGCM
Atmospheric general circulation model
ARM
Atmospheric Radiation Measurement (Program)
ASTEX/MAGE
Atlantic Stratocumulus Transition Experiment/Marine Aerosol and Gas Exchange
AVHRR
Advanced Very High Resolution Radiometer
BASC
Board on Atmospheric Science and Climate of the National Research Council
CCN
Cloud condensation nuclei
CDNC
Cloud drop number concentration
CENR
Committee on Environment and Natural Resources
CFC
Chlorofluorocarbon
CLAES
Cryogenic Limb Array Etalon Spectrometer
CN
Condensation nuclei
COS
Carbonyl sulfide
DAEDALUS
Documenting Aerosol Electromagnetics, Defining Aerosol Lifetimes, and Understanding Sources (Research Stations)
DMS
Dimethyl sulfide
DOD
U.S. Department of Defense
DOE
U.S. Department of Energy
DOI
U.S. Department of the Interior
DTR
Diurnal temperature range
ENSO
El Niño/Southern Oscillation
EOS
Earth Observing System
EOSP
Earth Observing Scanning Polarimeter
EPA
U.S. Environmental Protection Agency
ERBE
Earth Radiation Budget Experiment
FT
Free troposphere
GAW
Global Atmospheric Watch
GCM
General circulation model
GHG
Greenhouse gas
GOME
Global Ozone Monitoring Experiment
HALOE
Halogen Occultation Experiment
HCFC
Hydrogenated chlorofluorocarbon
ICARUS
Interagency Climate-Aerosol Radiative Uncertainties and Sensitivities (Program)
IFN
Ice-freezing nuclei
IGAC
International Global Atmospheric Chemistry (Project)
IGY
International Geophysical Year
ILAS
Improved Limb Atmospheric Spectrometer
IPCC
Intergovernmental Panel on Climate Change
IR
Infrared
ISS
Integrated sounding systems
ITCZ
Intertropical convergence zone
IWC
Ice water content
IWP
Ice water path
LITE
Lidar In-Space Technology Experiment
MABL
Marine atmospheric boundary layer
MAC
Multiphase Atmospheric Chemistry (Activity)
MAGE
Marine Aerosol and Gas Exchange (Activity)
MBL
Marine boundary layer
MISR
Multiangle Imaging Spectroradiometer
MODIS
Moderate-Resolution Imaging Spectroradiometer
MSA
Methanesulfonic acid
NAPAP
National Acid Precipitation Assessment Program
NARE
North Atlantic Regional Experiment
NASA
National Aeronautics and Space Administration
NCAR
National Center for Atmospheric Research
NH
Northern Hemisphere
NOAA
National Oceanic and Atmospheric Administration
NSF
National Science Foundation
nss
Non-sea salt
NSTC
National Science and Technology Council
ONR
Office of Naval Research
PBL
Planetary boundary layer
PEM WEST
Pacific Exploratory Mission—West
PI
Principal investigator
PIXE
Proton-induced x-ray emission analysis
PM-2.5
Particulate matter of diameter less than 2.5 µm
PM-10
Particulate matter of diameter less than 10 µm
POLDER
Polarization and Directionality of the Earth's Reflectances
PSC
Polar stratospheric cloud
RFP
Request for Proposals
RH
Relative humidity
SAGE
Stratospheric Aerosol and Gas Experiment
SAM II
Stratospheric Aerosol Measurement
SCIAMACHY
Scanning Imaging Absorption Spectrometer for Atmospheric Cartography
SeaWiFS
Sea-Viewing Wide Field of View Sensor (ocean color satellite instrument)
SH
Southern Hemisphere
SPARCLE
Spaceborne Aerosols and Cloud Lidar Earthprobe
SURE
Sulfate Regional Experiment
TARFOX
Tropospheric Aerosol Radiative Forcing Observation Experiment
USDA
U.S. Department of Agriculture
USGCRP
U.S. Global Change Research Program
USGCRPO
U.S. Global Change Research Program Office
VOC
Volatile organic compound
WMO
World Meteorological Organization
