THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SAGE-III -
Full Name Stratospheric Aerosol and Gas Experiment Status Operational
Instrument Agencies NASA Maturity
Instrument Type Atmospheric chemistry Geometry Occultation
Instrument Technology Limb-scanning SW spectrometer Sampling Other
Data Access Open Access Data Format Binary and HDF5
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
Measurements Overview
CategoryParameter
AerosolsAerosol Extinction / Backscatter (HT, LS, HS&M)
Atmospheric Humidity FieldsAtmospheric specific humidity (HT, LS, HS&M)
Atmospheric Temperature FieldsAtmospheric temperature (HT, LS, HS&M)
OzoneO3 Mole Fraction
Trace gases (excluding ozone)NO2 Mole Fraction
OClO (HT, LS, HS&M)
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Aerosols properties click here click here search ECV Inventory records
Ozone click here click here search ECV Inventory records
Temperature (upper-air) click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
SAGE-III-on-ISS - Stratospheric Aerosol and Gas Experiment (SAGE)-III/International Space Station (ISS) (2017 - 2023)
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