CEOS EO HANDBOOK – INSTRUMENT SUMMARY - MWRI -
Full Name Micro-Wave Radiation Imager Status Operational
Instrument Agencies NRSCC, CAST, NSMC-CMA, CNSA Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Imaging
Data Access Constrained Access Data Format L-1 data: HDF 5.0
Measurements and Applications All weather observations of precipitation, cloud features, vegetation, soil moisture sea ice, etc.
Resolution Summary 7.5 x 12 km at 150 GHz to 51 x 85 km at 10.65 GHz
Swath Summary 1400 km
[Max Swath: 1400 km]
Accuracy Summary
Waveband Summary 12 channels, 6 frequencies: 10.65 GHz, 18.7 GHz, 23.8 GHz, 36.5 GHz, 89 GHz, 150 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Atmospheric Temperature FieldsAtmospheric temperature (LT, HT, LS, HS&M)
Height of tropopause
Temperature of tropopause
Cloud particle properties and profileCloud liquid water (column/profile)
Cloud ice content (at cloud top)
Cloud type, amount and cloud top temperatureCloud type
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 cover
Soil moistureSoil moisture at the surface
Surface temperature (land)Land surface temperature
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 search ECV Inventory records
Land Surface Temperature click here click here search ECV Inventory records
Precipitation click here click here search ECV Inventory records
Sea Ice click here click here search ECV Inventory records
Sea Surface Temperature click here click here search ECV Inventory records
Snow click here click here search ECV Inventory records
Soil Moisture 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
FY-3A - FY-3A Polar-orbiting Meteorological Satellite (2008 - 2018)
FY-3B - FY-3B Polar-orbiting Meteorological Satellite (2010 - 2020)
FY-3C - FY-3C Polar-orbiting Meteorological Satellite (2013 - 2023)
FY-3D - FY-3D Polar-orbiting Meteorological Satellite (2017 - 2023)
FY-3F - FY-3F Polar-orbiting Meteorological Satellite (2023 - 2028)
FY-3RM-1 - FY-3 Rainfall Mission 1 (2023 - 2028)
FY-3RM-2 - FY-3 Rainfall Mission 2 (2025 - 2030)