ACE-1 Southern Hemisphere Marine Aerosol Characterization Experiment
ACE-2 Northern Hemisphere Marine Aerosol Characterization Experiment
ADEOS Advanced Earth Observing System
AEROCE Atmosphere/Ocean Chemistry Experiment
AGL above ground level
AMIP Atmospheric Models Intercomparison Project
AOD aerosol optical depth
API/MS Atmospheric Pressure Inonization / Mass Spectrometry
APS Aerodynamic Particle Sizer
ARM Atmospheric Radiation Measurement
ASSR Automated Solar/Sky Radiometer
ASHOE Airborne Southern Hemisphere Ozone Experiment
ASTEX Atlantic Stratocumulus Transition Experiment
AVHRR Advanced Very High Resolution Radiometer
BAPMON Background Air Pollution MONitoring (WMO/UNEP)
BBHIR broadband hemispherical field-of-view infrared radiometer
BC black carbon
BL boundary layer
BMFT German equivalent of the US NSF
BTU Brandenburg Technical University, Cottbus
C4 Center for Clouds, Chemistry and Climate
CAIO Climate Atlas of the Indian Ocean
Cb cumulonimbus
CCM Community Climate Model (NCAR)
CCN cloud condensation nuclei
CEPEX Central Equatorial Pacific Experiment
CERES Clouds and Earth Radiation Energy System
CFC chlorofluorocarbon
CFR Centre des Faibles Radioactivités
CIDS C4 Integrated Data System
CL chemiluminescence
CLAP continuous light absorption photometer
CLIVAR CLImate VARiability and Predictability Program
CN condensation nucleus
CNC condensation nucleus counter
CNES Centre National d'Etudes Spatiales
CNRS Centre National de la Recherche Scientifique
COADS Comprehensive Ocean-Atmosphere Data Set
CTM Chemistry Transport Model
CVI counterflow volume impactor
DIAL differential absorption lidar
DMA Differential Mobility Analyzer
DMPS Differential Mobility Particle Sizer
DMS dimethylsulfide
DMSP Defense Meteorological Satellite Program
DOE Department of Energy
DU Dobson unit
ECHAM ECMWF Model at Hamburg
ECMWF European Centre for Medium Range Weather Forecast
EOP Enhanced Observation Phase
EOS Earth Observing System
EPA Environmental Protection Agency
ERBE Earth Radiation Budget Experiment
ERL/AL Environmental Research Laboratory/Aeronomy Laboratory
ESA European Space Agency
FCAS focused cavity aerosol spectrometer
FIRE First ISCCP Regional Experiment
FSU Florida State University
FSSP forward scattering spectrometer probe
FTIR Fourier Transform Infrared Radiometer
FTS Fourier transform spectoradiometer
GAME GEWEX Asian Monsoon Experiment
GC Gas Chromatography
GCM general circulation model
GEBA Global Energy Balance Archive, World Climate Program
GEWEX Global Energy and Water Cycle Experiment
GMS Geostationary Meteorological Satellite
GMT Greenwich Mean Time
GOES Geostationary Operational Environmental Satellite
GOME Global Ozone Monitoring Experiment (ESA)
GTS Global Telecommunication System
HIS high-resolution interferometer sounder
HPLC High-performance Liquid Chromatography
IAO Indian Ocean Atlas
ICDG Institute of Chemistry and Dynamics of the Geosphere (KFA-Juelich)
ICE International Cirrus Experiment
IMD India Meteorology Department, Pune
IFP Intensive Field Phase
IfT Institute for Tropospheric Research, Leipzig
IGAC International Global Atmospheric Chemistry
IGAP International Global Aerosol Program (IGAC)
IITM Indian Institute of Tropical Meteorology, Pune
IMET Improved METeorological observation buoy
IMR Institute for Ocean Research, Rostock
INDOEX Indian Ocean Experiment
INSAT Indian Geostationary Meteorological Satellite
IO Indian Ocean
IPCC Intergovernmental Panel on Climate Change
IR Infrared
ISC International Steering Committee
ISCCP International Satellite Cloud and Climatology Project
ISRO Indian Space Research Organization, Bangalore
ISS Integrated Sounding System
ITCZ Intertropical Convergence Zone
ITL Institute for Tropospheric Research, Leipzig
KFA Nuclear Research Center, Juelich
Lidar light detection and ranging
LMD Laboratoire de Meteorologie Dynamique, Paris
LOA Laboratoire d'Optique Atmospherique, Lille
MAC Multiphase Atmospheric Chemistry (IGAC)
MACS multi-sample aerosol collecting system
MAGE Marine Aerosol and Gas Exchange (IGAC)
MAIIOE Meteorological Atlas of the International Indian Ocean Experiment
MAS MODIS airborne simulator
MASP multi-angle aerosol scattering probe
MATCH Model of Atmospheric Transport and Chemistry
MBL marine boundary layer
MCR multi-channel cloud radiometer
METEOSAT Meteorological Satellite (European)
MFRSR multi-filter rotating shadowband radiometers
MIH Meteorological Institute of the University of Hamburg
MIM Munich Institute of Meteorology
MPIK Max-Planck-Institute for Physics, Heidelberg
MODIS Moderate-Resolution Imaging Spectrometer
MPAN Peroxymethacrylic nitric anhydride
MPIC Max-Planck-Institute for Chemistry, Mainz
MPIM Max-Planck-Institute for Meteorology, Hamburg
MS Mass Spectrometry
MSA methanesulfonate
NARE North Atlantic Regional Experiment
NASA National Aeronautical and Space Administration
NCAR National Center for Atmospheric Research
NE northeast
NFOVR narrow field-of-view longwave radiometer
NH Northern Hemisphere
NHcT Northern Hemisphere continental Tropical air
NHmT Northern Hemisphere maritime Tropical air
NIR Near Infrared
NMC National Meteorological Center
NMHC non-methane hydrocarbons
NOAA National Oceanic and Atmospheric Administration
NOAA/AL NOAA - Aeronomy Laboratory
NOAA/AOML NOAA - Atlantic Oceanographic Meteorological Laboratory
NOAA/CMDL NOAA - Climate Modeling and Diagnostics Laboratory
NPL National Physical Laboratory, New Delhi
NSF National Science Foundation
nss non sea-salt
OC organic carbon
OCTS Ocean Color and Temperature Scanner
OLR outgoing longwave radiation
OPC optical particle counter
PALMS particle aerosol laser mass spectrometer
PAN peroxyacetyl nitrate
PCASP Passive Cavity Aerosol Spectrometer Probe
PI Principal Investigator
PMEL Pacific Marine Environmental Laboratory
PMS FSSP Particle Measuring Systems' Forward Scattering Spectrometer Probe
POLDER Polarization and Directionality of the Earth's Reflectances
PPN Peroxypropioxyl nitrate
pptn precipitation
pptv part per trillion by volume
PROTEUS PROfile TElemetry of Upper ocean currentS (PMEL/NOAA)
RAMS Radiation Measurement System
RASS Radio Acoustic Sounding System
RDMA radial differential mobility analyzer
RH relative humidity
RTNEPH Real Time NEPH Analysis (neph in Greek = cloud)
R/V research vessel
SABL Scanning Aerosol Backscatter Lidar
SAGE Stratospheric Aerosol and Gas Experiment
SBR Shortwave broadband radiometer
ScaRaB Scanner for Earth Radiation Budget
SeaWiFS Sea-viewing Wide-Field Sensor
SH Southern Hemisphere
SHmT Southern Hemisphere maritime Tropical air
SHxT Southern Hemisphere extra Tropical air
SINDICATE Study of the Indirect and Direct Influences on Climate of Anthropogenic Trace Gas Emission
SIO Scripps Institution of Oceanography
SSM/I Special Sensor Microwave/Imager
SST sea surface temperature
STE stratospheric-tropospheric exchange
STEP Stratospheric-Tropospheric Exchange Project
STJ subtropical jet stream
TAFTS tropospheric airborne Fourier transform spectrometer
TDDR total direct-diffuse radiometer
TDLAS Tunable Diode Laser Absorption Spectroscopy
TDMA Tandem Differential Mobility Analyzer
TIROS Television InfraRed Operational Satellite
TOGA-COARE Tropical Oceans - Global Atmosphere Coupled Ocean - Atmosphere Response Experiment
TOMS Total Ozone Mapping Spectrometer
TOVS TIROS Operational Vertical Sounder
TRMM Tropical Rainfall Measuring Mission
TSE tropospheric-stratospheric exchange
UAK University of Alaska
UEA University of East Anglia
UMD University of Maryland
UNEP United Nations Environmental Program
UT/LS Upper Troposphere / Lower Stratosphere
UTT upper tropical troposphere
UV ultraviolet
VHRR Very High Resolution Radiometer
VIRS Visible Infrared Scanner
VSSC Vikram Sarabhai Space Centre, Trivandrum
WMO World Meteorological Organization