Full Name Advanced Microwave Scanning Radiometer-EOS Status No longer operational
Instrument Agencies JAXA, NASA 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 HDF4, HDF5
Measurements and Applications Measurements of water vapour, cloud liquid water, precipitation, winds, sea surface temperature, sea ice concentration, snow cover and soil moisture. Instrument stopped functioning 4th October 2011.
Resolution Summary 5 - 50 km (dependent on frequency)
Swath Summary 1445 km
Accuracy Summary Reprocessing of V8 by applying the latest AMSR2 algorithms is ongoing and will be released in 2019. Accuracy of the latest standard products (V8, RMSE): Sea surface temperature: 0.54 degC, Sea ice concentration: 8%, Cloud liquid water: 0.03 kg/m2, Water vapour: 1.6 kg/m2 through total column, Sea surface wind speed 1.0 m/s, (Relative Error in %) Precipitation rate: 66 % for ocean & 91 % for land. (MAE) Snow depth: 17.7 cm, Soil Moisture Content: 5 %vol.
Waveband Summary Microwave: 6.925 GHz, 10.65 GHz, 18.7 GHz, 23. 8 GHz, 36.5 GHz, 89.0 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Cloud particle properties and profileCloud liquid water (TC)
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Ocean surface windsWind speed over sea surface (horizontal)
Sea ice cover, edge and thicknessSea-ice cover
Snow cover, edge and depthSnow water equivalent
Soil moistureSoil moisture at the surface
Surface temperature (ocean)Sea surface temperature
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Cloud Properties click here click here Record ID: 10381
Precipitation click here click here Record ID: 11856
Record ID: 11839
Record ID: 10440
Record ID: 10321
Sea Ice click here click here ESA Sea Ice Climate Change Initiative (S...
Record ID: 11759

JAXA Satellite Monitoring for Environmen...
JAXA Satellite Monitoring for Environmen...
find more ECV Inventory records
Sea Surface Temperature click here click here GHRSST Level 4 MUR Global Foundation Sea...
Snow click here click here MEaSUREs Northern Hemisphere Terrestrial...
Soil Moisture click here click here Record ID: 12050
Record ID: 12049
Record ID: 12048
Record ID: 12047
Record ID: 12046
find more ECV Inventory records
Water Vapour (upper air) click here click here Record ID: 11840
RSS Monthly 1-deg Microwave Total Precip...
Record ID: 10380
Instrument Missions
Aqua - Aqua (formerly EOS PM-1) (2002 - 2026)