ScaRaB Instrument

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.

Instrument Summary

Full Name
Scanner for Earth's Radiation Budget
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Earth radiation budget radiometers
Geometry
Cross-track scanning
Instrument Technology
Broad-band radiometer
Sampling
Imaging
Data Access
Constrained Access
Data Format

Performance Summary

Resolution
40 km
Swath
2200 km
Accuracy
Absolute: ± 2.5 W/m2/sr, Relative: ± 0.7 W/m2/sr
Waveband
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 Missions

Meteor-3 N7 - Meteor-3 N7 (1994 - 1995)
Resurs-01 N4 - Resource satellite first series number 4 (1998 - 2002)
MEGHA-TROPIQUES - Megha-Tropiques (2011 - 2021)

Instrument Measurements