THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - MERIS -
Full Name Medium-Resolution Imaging Spectrometer Status No longer operational
Instrument Agencies ESA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) and Ocean colour instruments Geometry Cross-track scanning
Instrument Technology Medium-resolution spectro-radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Main objective is monitoring marine biophysical and biochemical parameters. Secondary objectives are related to atmospheric properties such as cloud and water vapour and to vegetation conditions on land surfaces.
Resolution Summary Ocean: 1040 x 1200 m, Land & coast: 260 x 300 m
[Best Resolution: 260m]
Swath Summary 1150 km, global coverage every 3 days
Accuracy Summary Ocean colour bands typical S:N = 1700
Waveband Summary VIS - NIR: 15 bands selectable across range: 0.4 - 1.05 µm (bandwidth programmable between 0.0025 and 0.03 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
MW (~1.0 cm - ~100 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
AerosolsAerosol optical depth (column/profile)
Albedo and reflectancePhotosynthetically Active Radiation (PAR)
Fraction of Absorbed PAR (FAPAR)
Earth surface albedo
Cloud particle properties and profileCloud liquid water (column/profile)
Cloud optical depth
Cloud type, amount and cloud top temperatureCloud imagery
Cloud type
Cloud top height
Multi-purpose imagery (land)Land surface imagery
Multi-purpose imagery (ocean)Ocean imagery and water leaving spectral radiance
Ocean colour/biologyOcean chlorophyll concentration
Ocean suspended sediment concentration
Color dissolved organic matter (CDOM)
Radiation budgetShort-wave Earth surface bi-directional reflectance
Sea ice cover, edge and thicknessSea-ice cover
Snow cover, edge and depthSnow cover
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 Record ID: 12078
Record ID: 12077
MERIS SeaWIFS4MERIS AOD record
MERIS SeaWIFS4MERIS AOD record
MERIS XBAER AOD record
find more ECV Inventory records
Albedo click here click here MERIS Black Sky Albedo
Cloud Properties click here click here search ECV Inventory records
Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) click here click here search ECV Inventory records
Ocean Colour click here click here Record ID: 11519
Record ID: 11518
Record ID: 11517
Record ID: 11516
ESA Ocean Colour CCI version 3.0
find more ECV Inventory records
Sea Ice click here click here search ECV Inventory records
Snow click here click here search ECV Inventory records
Instrument Missions
Envisat - Environmental Satellite (2002 - 2012)
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