THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Advanced Microwave Scanning Radiometer -2 Status Operational
Instrument Agencies JAXA Maturity High Heritage - Operational
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Imaging
Data Access Open Access Data Format HDF5
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 1450 km (effective swath: 1618 km)
Accuracy Summary Accuracy of Ver.2.1 products. (RMSE) Sea surface temperature: 0.58 K, Sea ice concentration: 8%, Cloud liquid water: 0.04 kg/m2, Water vapour: 1.5 kg/m2 through total column, Sea surface wind speed 1.1 m/s, (Relative Error in %) Precipitation rate: 48% for ocean & 84% for land. (MAE) Snow depth: 16cm. Soil Moisture Content: 4%.
Waveband Summary Microwave: 6.925 GHz, 7.3 GHz, 10.65 GHz, 18.7 GHz, 23.8 GHz, 36.5 GHz, 89.0 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)1.5 [kg/m2]
Cloud particle properties and profileCloud liquid water (TC)0.04 [kg/m2]
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface48 [%]
Ocean surface windsWind speed over sea surface (horizontal)1.1 [m/s]
Sea ice cover, edge and thicknessSea-ice cover8 [%]
Snow cover, edge and depthSnow water equivalent16 [cm]
Soil moistureSoil moisture at the surface4 [%]
Surface temperature (ocean)Sea surface temperature0.58 [degrees C]
Instrument Missions
GCOM-W - Global Change Observation Mission-Water (2012 - 2018)
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