THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - ScaRaB -
Full Name Scanner for Earth's Radiation Budget Status Operational
Instrument Agencies CNES Maturity
Instrument Type Earth radiation budget radiometers Geometry Cross-track scanning
Instrument Technology Broad-band radiometer Sampling Imaging
Data Access Constrained Access Data Format
Measurements and Applications Measures top-of-atmosphere shortwave radiation (0.2 - 4.0 µm) and total radiation (0.2 - 50 µm). Two additional narrow-band channels (0.5 - 0.7 µm and 11 - 12 µm) allow cloud detection and scene identification.
Resolution Summary 40 km
Swath Summary 2200 km
Accuracy Summary Absolute: ± 2.5 W/m2/sr, Relative: ± 0.7 W/m2/sr
Waveband Summary VIS window channel: 0.5 - 0.7 µm, Solar channel UV - SWIR: 0.2 - 4 µm, Total channel UV - FIR: 0.2 - 50 µm, Thermal window channel: 10.5 - 12.5 µm
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
TIR (~6.0 µm - ~15.0 µm)
FIR (~15.0 µm - ~0.1 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Cloud type, amount and cloud top temperatureCloud imagery
Cloud type
Cloud cover
Radiation budgetUpward short-wave irradiance at TOA
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
Earth Radiation Budget click here click here search ECV Inventory records
Instrument Missions
Meteor-3 N7 - (1994 - 1995)
Resurs-01 N4 - Resource satellite first series number 4 (1998 - 2002)
MEGHA-TROPIQUES - Megha-Tropiques (2011 - 2020)
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