CEOS EO HANDBOOK – INSTRUMENT SUMMARY - AVHRR/4 -
Full Name Advanced Very High Resolution Radiometer/4 Status No longer considered
Instrument Agencies NOAA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Cross-track scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary
VIS (~0.40 µm - ~0.75 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
AerosolsAerosol Extinction / Backscatter (column/profile)
Aerosol effective radius (column/profile)
Aerosol absorption optical depth (column/profile)
Albedo and reflectanceEarth surface albedo
Cloud type, amount and cloud top temperatureCloud type
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Multi-purpose imagery (land)Land surface imagery
Multi-purpose imagery (ocean)Ocean imagery and water leaving spectral radiance
Radiation budgetUpward long-wave irradiance at TOA
Short-wave Earth surface bi-directional reflectance
Sea ice cover, edge and thicknessSea-ice cover
Sea-ice thickness
Snow cover, edge and depthSnow cover
Surface temperature (land)Land surface temperature
Surface temperature (ocean)Sea surface temperature
VegetationVegetation type
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Aerosols properties click here click here search ECV Inventory records
Albedo click here click here search ECV Inventory records
Earth Radiation Budget click here click here search ECV Inventory records
Land Surface Temperature click here click here search ECV Inventory records
Ocean Colour click here click here search ECV Inventory records
Precipitation click here click here search ECV Inventory records
Sea Ice click here click here search ECV Inventory records
Sea Surface Temperature click here click here search ECV Inventory records
Snow click here click here search ECV Inventory records
Instrument Missions