Full Name Cloud and the Earth's Radiant Energy System-Continuation Status No longer considered
Instrument Agencies NOAA Maturity
Instrument Type Earth radiation budget radiometers Geometry Nadir-viewing
Instrument Technology Broad-band radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications 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.
Resolution Summary 20 km
Swath Summary
Accuracy Summary 0.5%, 1%, 0.3% (respectively for the 3 channels)(TBC)
Waveband Summary 3 channels: 0.3-5 µm, 0.3 - 100 µm, 8 - 12 µm (TBC)
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)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
FIR (~15.0 µm - ~0.1 cm)
Instrument Measurements
Measurements Overview
Radiation budgetDownwelling (Incoming) solar radiation at TOA
Upward short-wave irradiance at TOA
Upward long-wave irradiance at TOA
Downward short-wave irradiance at Earth surface
Downward long-wave irradiance at Earth surface
Upwelling (Outgoing) long-wave radiation at Earth surface
Long-wave Earth surface emissivity
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