CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SSIM -
Full Name Solar Spectral Irradiance Monitor Status Operational
Instrument Agencies NSMC-CMA Maturity
Instrument Type Earth radiation budget radiometers Geometry
Instrument Technology Solar irradiance monitor Sampling
Data Access Data Format
Measurements and Applications Solar irradiance monitoring.
Resolution Summary
Swath Summary
Accuracy Summary 3% from 165 to 240 nm and 2% from 240 to 1650 nm.
Waveband Summary 165-1650nm: split in three bands: 165-320 nm (resolution 1 nm), 285-700 nm (resolution 1 nm) and 650-1650 nm (resolution 8 nm)
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Radiation budgetDownward short-wave irradiance at Earth surface
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Earth Radiation Budget click here click here search ECV Inventory records
Instrument Missions
FY-3E - FY-3E Polar-orbiting Meteorological Satellite (2021 - 2026)
FY-3I - FY-3I Polar-orbiting Meteorological Satellite (2024 - 2029)