BackForwardInstrument:  ALISS-3 

Instrument details
Acronym ALISS-3
Full name Advanced Linear Imaging Self-Scanning Sensor - 3
Purpose High-resolution land and vegetation observation
Short description 5 VIS/NIR/SWIR channels [see details in the table below]
Background Improved after LISS-3 flown on ResourSat 2 and 2A
Scanning Technique Pushbroom, swath 925 km (multispectral or 280 km (panchromatic)
Resolution PAN 10 m, multispectral 20 m, at s.s.sp.
Coverage / Cycle Global in 4 days (multispectral) or 11 days (panchromatic), in daylight
Mass Power Data Rate

 

Providing Agency ISRO
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2025 to 2030
Last update: 2022-08-01
Detailed characteristics

Central wavelength

Spectral interval

SNR @ specified input spectral radiance

PAN

0.4 - 1.0 µm

200 @ …. W m-2 sr-1 µm-1

0.555 µm

0.52 - 0.59 µm

200 @ 278 W m-2 sr-1 µm-1

0.650 µm

0.62 - 0.68 µm

200 @ 284 W m-2 sr-1 µm-1

0.815 µm

0.77 - 0.86 µm

200 @ 320 W m-2 sr-1 µm-1

1.625 µm

1.55 - 1.75 µm

200 @ 76.4 W m-2 sr-1 µm-1
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 vegetated land
  • Land cover
  • Leaf Area Index (LAI)
  • Normalised Difference Vegetation Index (NDVI)
  • Vegetation type
Evaluation of Measurements