MERIS

Medium Resolution Imaging Spectrometer

Satellite

Envisat

Status (Sept 2006)

Operational – Utilised in the period 2002 to ~ 2010

Mission

Ocean colour, vegetation, aerosol, cloud properties

Instrument type

15-channel VIS/NIR spectro-radiometer, channel positions and bandwidths selectable

Scanning technique

Bushbroom, 3700 pixel/line (split in 5 parallel optical systems), total swath 1150 km

Coverage/cycle

Global coverage in 3 days, in daylight

Resolution (s.s.p.)

Basic IFOV 300 m, reduced resolution for global data recording: 1200 km

Resources

Mass: 200 kg  -  Power: 175 W  -  Data rate: 24 Mbps

Central wavelength

Bandwidth

Radiometric accuracy (SNR @ specified input radiance)

412.5 nm

10 nm

................. @ .................

442.5 nm

10 nm

................. @ .................

490 nm

10 nm

................. @ .................

510 nm

10 nm

................. @ .................

560 nm

10 nm

................. @ .................

620 nm

10 nm

................. @ .................

665 nm

10 nm

................. @ .................

681.25 nm

7.5 nm

................. @ .................

708.75 nm

10 nm

................. @ .................

753.75 nm

7.5 nm

................. @ .................

760.625 nm

3.75 nm

................. @ .................

778.75 nm

15 nm

................. @ .................

865 nm

20 nm

................. @ .................

885 nm

10 nm

................. @ .................

900 nm

10 nm

................. @ .................