Minimize Radiometric Resolution - 21 bands in VIS/SWIR

OLCI observation is performed simultaneously in 21 spectral bands, listed in the table below, ranging from the visible to the near-infra-red (400 nm to 1 020 nm). Each of these bands is programmable in position and width.


Table 1: OLCI Band characteristics

Band λ centre (nm) Width (nm) Function
Oa01 400 15 Aerosol correction, improved water constituent retrieval
Oa02 412.5 10 Yellow substance and detrital pigments (turbidity)
Oa03 442.5 10 Chlorophyll absorption maximum, biogeochemistry, vegetation
Oa04 490 10 High Chlorophyll,
Oa05 510 10 Chlorophyll, sediment, turbidity, red tide
Oa06 560 10 Chlorophyll reference (Chlorophyll minimum)
Oa07 620 10 Sediment loading
Oa08 665 10 Chlorophyll (2nd Chlorophyll absorption maximum), sediment, yellow
substance/vegetation
Oa09 673.75 7.5 For improved fluorescence retrieval and to better
account for smile together with the bands 665 and 680 nm
Oa10 681.25 7.5 Chlorophyll fluorescence peak, red edge
Oa11 708.75 10 Chlorophyll fluorescence baseline, red edge transition
Oa12 753.75 7.5 O2 absorption/clouds, vegetation
Oa13 761.25 2.5 O2 absorption band/aerosol correction.
Oa14 764.375 3.75 Atmospheric correction
Oa15 767.5 2.5 O2A used for cloud top pressure, fluorescence over land
Oa16 778.75 15 Atmos. corr./aerosol corr.
Oa17 865 20 Atmospheric correction/aerosol correction, clouds, pixel co-registration
Oa18 885 10 Water vapour absorption reference band. Common reference
band with SLSTR instrument. Vegetation monitoring
Oa19 900 10 Water vapour absorption/vegetation monitoring
(maximum reflectance)
Oa20 940 20 Water vapour absorption, Atmospheric correction/aerosol correction
Oa21 1 020 40 Atmospheric correction/aerosol correction