CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SAGE III -
Full Name Stratospheric Aerosol and Gas Experiment-III Status No longer operational
Instrument Agencies NASA, ROSKOSMOS Maturity
Instrument Type Atmospheric chemistry Geometry Limb-scanning
Instrument Technology Limb-scanning SW spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications Profiles of ozone, water vapour, NO2, OCIO, aerosols, temperature and pressure.
Resolution Summary 1 - 2 km vertical resolution
Swath Summary
Accuracy Summary Temperature: 2 K, Ozone: 6%, Humidity: 3 - 10%, Aerosol and trace gases: 5 - 10%
Waveband Summary UV - NIR: 0.29 - 1.55 µm (9 channels)
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 (column/profile)
Aerosol absorption optical depth (column/profile)
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, HT, LS, HS&M)
Atmospheric Temperature FieldsAtmospheric temperature (HT, LS, HS&M)
Cloud type, amount and cloud top temperatureCloud top height
OzoneO3 Mole Fraction
Trace gases (excluding ozone)NO2 Mole Fraction
BrO (LS)
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
Meteor-3M - Meteor-3M (2001 - 2008)