THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name High Resolution Doppler Imager Status No longer operational
Instrument Agencies NASA Maturity
Instrument Type Atmospheric chemistry Geometry
Instrument Technology Limb-scanning SW spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications Daytime wind measurements below 50 km from Doppler shifts of molecular oxygen absorption lines. Day and night wind measurements above about 60 km from Doppler shifts of neutral and ionised atomic oxygen emission lines. Also measures temperature.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
Atmospheric Temperature FieldsAtmospheric temperature (LT)
Atmospheric WindsWind profile (horizontal)
Trace gases (excluding ozone)CH4 Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Temperature (upper-air) click here click here search ECV Inventory records
Wind speed and direction (upper-air) click here click here search ECV Inventory records
Instrument Missions
UARS - Upper Atmosphere Research Satellite (1991 - 2005)
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