Envisat MEdium Resolution Imaging Spectrometer (MERIS)

Technical Specifications

Orbit:790 km, 10:00 am. mean local solar time. sun-synchronous, polar
Repeat Cycle:35 days
Swath Dimensions:1150km, global coverage every 3 days
Weight:8,211kg (18,100lb)
Spatial Resolution:Ocean: 1040m x 1200m
Land: 260m x 300m
Data Rate:50 Mbps
Quantization:12 bits
Field of View:68.5deg
Wavebands15 bands selectable across range: 390nm to 1040nm
(bandwidth programmable between 2.5 and 30 nm)
Design Life:5 years
Duration:10 years

Channels

MERIS
Channel
Centre Wavelength
± Bandwidth (nm)
Application
1412.5 ± 10Yellow substance and detrial pigments
2442.5 ± 10Chlorophyll absorption maximum
3490 ± 10Chlorophyll and other pigments
4510 ± 10Suspended sediment, red tides
5560 ± 10Chlorophyll absorption minimum
6620 ± 10Suspended sediment
7665 ± 10Chlorophyll absorption and fluorescence reference
8681.25 ± 7.5Chlorophyll fluorescence peak
9708.75 ± 10Fluorescence reference, atmospheric corrections
10753.75 ± 7.5Vegetation, cloud
11760.625 ± 3.75Oxygen absorption R-branch
12778.75 ± 15Atmosphere corrections
13865 ± 2Vegetation, water vapour reference
14885 ± 10Atmosphere corrections
15900 ± 10Water vapour, land

Last updated: May 21, 2018