THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - MI -
Full Name Meteorological Imager Status Operational
Instrument Agencies KARI, KMA, ITT Maturity High Heritage - Operational
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Earth disk scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format HDF, LRIT, HRIT
Measurements and Applications Continuous monitoring capability for the near real-time generation of high-resolution meteorological products and long-term change analysis of sea surface temperature and cloud coverage.
Resolution Summary VIS: 1 km, IR: 4 km
[Best Resolution: 1000m]
Swath Summary Full Earth disk
[Max Swath: 11000 km]
Accuracy Summary
Waveband Summary 1: VIS, 0.55 - 0.80 µm; 2: SWIR: 3.50 - 4.00 µm; 3: WV (Waver Vapour): 6.50 - 7.00 µm; 4: TIR1 (Thermal Infrared 1): 10.3 - 11.3 µm, 5: TIR2 (Thermal Infrared 2): 11.5 - 12.5 µm
VIS (~0.40 µm - ~0.75 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
CategoryParameterAccuracy
AerosolsAerosol optical depth (TC) 
Albedo and reflectanceEarth surface albedo 
Atmospheric Humidity FieldsAtmospheric specific humidity (TC) 
Water vapour imagery 
Atmospheric WindsWind profile (horizontal) 
Cloud type, amount and cloud top temperatureCloud imagery 
Cloud type 
Cloud top height 
Cloud top temperature 
Cloud mask 
Liquid water and precipitation ratePrecipitation rate (liquid) at the surface 
Multi-purpose imagery (land)Land surface imagery 
Multi-purpose imagery (ocean)Ocean imagery and water leaving radiance 
Radiation budgetUpwelling (Outgoing) long-wave radiation at TOA 
Downwelling (Incoming) short-wave radiation at the Earth surface 
Sea ice cover, edge and thicknessSea-ice cover 
Snow cover, edge and depthSnow cover 
Surface temperature (land)Land surface temperature 
Surface temperature (ocean)Sea surface temperature 
Instrument Missions
COMS - Communication, Oceanographic, Meteorological Satellite (2010 - 2018)
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