BackForwardInstrument:  WVC-2 

Instrument details
Acronym WVC-2
Full name Wide View CCD camera - 2
Purpose High-resolution land observation
Short description 4-channel camera in VIS/NIR. Two parallel cameras [see detailed characteristics below]
Background Improved after WVC flown on HJ-1 A/B.
Scanning Technique Pushbroom. Swath 360 km each camera, 720 km total
Resolution 16 m at s.s.p.
Coverage / Cycle Global coverage in 4 days
Mass Power Data Rate

 

Providing Agency CAST
Instrument Maturity Flown on operational programme
Utilization Period: 2020 to 2025
Last update: 2021-06-16
Detailed characteristics
Central wavelength Spectral interval SNR @ specified albedo
0.47 µm 0.43 - 0.52 µm ……  @  ….. % albedo
0.56 µm 0.52 - 0.60 µm ……  @  ….. % albedo
0.66 µm 0.63 - 0.69 µm ……  @  ….. % albedo
0.83 µm 0.76 - 0.90 µm ……  @  ….. % albedo
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
  • High resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • High-resolution multi-spectral VIS/IR imagers
  • High-resolution multi-spectral VIS/IR imager
Mission objectives
Primary mission objectives
  • Biomass
  • Fraction of Absorbed PAR (FAPAR)
  • Fraction of vegetated land
  • Land cover
  • Leaf Area Index (LAI)
  • Normalised Difference Vegetation Index (NDVI)
  • Vegetation type
Evaluation of Measurements