THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Advanced Microwave Scanning Radiometer Status No longer operational
Instrument Agencies JAXA Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications Measurements of water vapour, cloud liquid water, precipitation, winds, sea surface temperature, sea ice concentration, snow cover, soil moisture.
Resolution Summary 5 - 50 km (dependent on frequency)
Swath Summary 1600 km
Accuracy Summary Sea surface temparature: 0.5 K, sea ice cover: 10%, cloud liquid water: 0.05 kg/m2, precipitation rate: 10%, water vapour: 3.5 kg/m2 through total column, sea surface wind speed 1.5 m/s
Waveband Summary Microwave: 6.925 GHz, 10.65 GHz, 18.7 GHz, 23.8 GHz, 36.5 GHz, 50.3 GHz, 52.8 GHz, 89.0 GHz
MWIR (~3.0 µm - ~6.0 µm)
Instrument Measurements
Atmospheric Humidity FieldsAtmospheric specific humidity (TC) 
Cloud particle properties and profileCloud liquid water (column/profile) 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Precipitation index (daily cumulative) 
Ocean surface windsWind speed over sea surface (horizontal) 
Sea ice cover, edge and thicknessSea-ice cover 
Snow cover, edge and depthSnow cover 
Snow water equivalent 
Soil moistureSoil moisture at the surface 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
ADEOS-II - Advanced Earth Observing Satellite - II (2002 - 2003)
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