THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
Measurements > Atmosphere >
Radiation budget >
Downward short-wave irradiance at Earth surface


Measurement Definition*: Flux density of the solar radiation at the Earth surface - Physical unit [ W/m2 ], Accuracy unit [ W/m2 ]

Thematic Links
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
ABI
Advanced Baseline Imager
Operational
Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.n/a
Advanced MI
Advanced Meteorological Imager
Operational
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.n/a
AVHRR/3
Advanced Very High Resolution Radiometer/3
Operational
Measurements of land and sea surface temperature, cloud cover, snow and ice cover, soil moisture and vegetation indices. Data also used for volcanic eruption monitoring.n/a
CERES
Cloud and the Earth's Radiant Energy System
Operational
Long term measurement of the Earth's radiation budget and atmospheric radiation from the top of the atmosphere to the surface; provision of an accurate and self-consistent cloud and radiation database.n/a
MISR
Multi-angle Imaging SpectroRadiometer
Operational
Measurements of global surface albedo, aerosol and vegetation properties. Also provides multi-angle bidirectional data (1% angle-to-angle accuracy) for cloud cover and reflectances at the surface and aerosol opacities. Global and local modes.n/a
SSIM
Solar Spectral Irradiance Monitor
Operational
Solar irradiance monitoring.n/a
TGF Detectors
TGF Detectors
Approved
Dedicated mission optimized for TGF observations focusing on short time scales and energy ranges not well studied by other missions.n/a
MI
Meteorological Imager
No longer operational
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. Ceased operations from 1 April 2020.n/a
* Description adapted from WMO.
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