THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SAGE-III -
Full Name Stratospheric Aerosol and Gas Experiment Status Being developed
Instrument Agencies NASA Maturity
Instrument Type Atmospheric chemistry Geometry Limb-scanning
Instrument Technology Limb-scanning SW spectrometer Sampling Other
Data Access Data Format
Measurements and Applications Limb-viewing measurements of aerosol, O3, H20, NO2, OClO, NO3, temperature and pressure in the stratosphere, upper troposphere, and mesosphere using solar occultation, lunar occultation and limb scatter measurement techniques.
Resolution Summary 1 - 2 km vertical
Swath Summary N/A
Accuracy Summary Aerosol profile: 5%, H20: 10 - 15%; NO2: 10-15%; NO3: 10%; O3: 5%; OClO: 25%; Pressure: 2%; Temperature Profile; 2K
Waveband Summary Nine spectral regions between 290 - 1550 nm
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
CategoryParameterAccuracy
AerosolsAerosol Extinction / Backscatter (HT, LS, HS&M) 
Atmospheric Humidity FieldsAtmospheric specific humidity (HT, LS, HS&M) 
Atmospheric Temperature FieldsAtmospheric temperature (HT, LS, HS&M) 
OzoneOzone profile 
Trace gases (excluding ozone)Atmospheric Chemistry - NO2 (LS, HS&M) 
Atmospheric Chemistry - OClO (HT, LS, HS&M) 
Instrument Missions
SAGE-III-on-ISS - ISS/Stratospheric Aerosol and Gas Experiment (2017 - 2021)
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