BackForwardInstrument:  OCI (FORMOSAT) 

Instrument details
Acronym OCI (FORMOSAT)
Full name Ocean Color Imager
Purpose Monitoring of ocean water quality and health
Short description 7-channel VIS/NIR spectro-radiometer [see details below]. One channel, 555 nm, is actually redundant.
Background New development
Scanning Technique Pushbroom, 896 pixels/line, 700 km swath
Resolution 800 m at s.s.p.
Coverage / Cycle Daily over a limited latitude range due to the low-inclination satellite orbit (35°)
Mass 15.2 kg Power 33 W Data Rate 655.5 kbps

 

Providing Agency NSPO
Instrument Maturity Flown on an R&D satellite
Utilization Period: 1999 to 2004
Last update: 2017-08-01
Detailed characteristics

Central wavelength

Bandwidth

SNR at expected input radiance

444 nm

20 nm

450

490 nm

20 nm

450

512 nm

20 nm

450

555 nm

20 nm

450

555 nm

20 nm

350

670 nm

20 nm

350

869 nm

40 nm

350

Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive optical radiometer or spectrometer
  • Moderate resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • Narrow-band or hyperspectral imagers
  • Narrow-band imager (for ocean colour)
Mission objectives
Primary mission objectives
  • Colour Dissolved Organic Matter (CDOM)
  • Ocean Diffuse Attenuation Coefficient (DAC)
  • Ocean chlorophyll concentration
  • Ocean suspended sediments concentration
  • Oil spill cover
Evaluation of Measurements