BackForwardInstrument:  Hyperion 

Instrument details
Acronym Hyperion
Full name Hyperion
Purpose Advanced technology for high-resolution land and vegetation observation
Short description VIS/NIR/SWIR grating spectrometer with 220 channels, in two groups covering the ranges 0.4-1.0 µm and 0.9-2.5 µm respectively; channels bandwidths 10 nm
Background New development
Scanning Technique Pushbroom; 250 pixel/line; swath 7.5 km
Resolution 30 m IFOV
Coverage / Cycle Global coverage in 1 year, in daylight.
Mass 49 kg Power 51 W Data Rate 105 Mbps

 

Providing Agency NASA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2001 to ≥2017
Last update: 2017-03-28
Detailed characteristics
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
Mission objectives
Primary mission objectives
  • Biomass
  • Fraction of Absorbed PAR (FAPAR)
  • Fraction of vegetated land
  • Leaf Area Index (LAI)
  • Normalised Difference Vegetation Index (NDVI)
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Tentative Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
VariableRelevance for measuring this variableOperational limitationsExplanation
Aerosol column burden3 - highCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR (including the 760 nm band for high-level aerosol) and SWIR hyperspectral channels
Aerosol effective radius4 - fairCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR including the 760 nm band for high-level aerosol, and SWIR hyperspectral channels
Aerosol mass mixing ratio4 - fairCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR (including the 760 nm band for high-level aerosol) and SWIR hyperspectral channels
Aerosol Optical Depth3 - highCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR (including the 760 nm band for high-level aerosol) and SWIR hyperspectral channels
Aerosol type4 - fairCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR (including the 760 nm band for high-level aerosol) and SWIR hyperspectral channels
Biomass3 - highCloud sensitive.. Index only.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels. Biomass inferred from NDVI and other vegetation indexes
Cloud cover4 - fairInfrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Cloud optical depth3 - highLow-density cloud only.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Cloud top height5 - marginalInfrequent coverage.. Daylight only.NIR hyperspectral channels to estimate the total-column O2 above the cloud top as measured around 760 nm
Downward short-wave irradiance at Earth surface4 - fairCloud sensitive.. Highly indirect.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Earth surface albedo3 - highCloud sensitive.. Infrequent coverage.VIS hyperspectral channels
Cloud type3 - highCloud sensitive.. Infrequent coverage.. Infrequent coverage.. Daylight only.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Fraction of Absorbed PAR (FAPAR)2 - very highCloud sensitive.. Infrequent coverage.VIS channels including Red at 700 nm
Fraction of vegetated land1 - primaryCloud sensitive.. Daylight only.VIS, NIR and SWIR hyperspectral
Glacier cover2 - very highCloud sensitive.. Long time for mapping.. Daylight only.VIS, NIR and SWIR channels, screening ice from clouds
Land cover2 - very highCloud sensitive.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Leaf Area Index (LAI)1 - primaryCloud sensitive.. Daylight only.. Infrequent coverage.VIS, NIR and SWIR hyperspectral channels
Normalised Difference Vegetation Index (NDVI)1 - primaryCloud sensitive.. Infrequent coverage.VIS and NIR hyperspectral channels
Oil spill cover3 - highCloud sensitive.. Daylight only.. Infrequent coverage.VIS hyperspectral channels
Photosynthetically Active Radiation (PAR)3 - highCloud sensitive.. Infrequent coverage.VIS channels, range accurately sampled
Sea-ice cover4 - fairCloud sensitive.. Daylight only.VIS, NIR (for contour enhancement) and SWIR (for discrimination from clouds) channels
Short-wave cloud reflectance5 - marginalInfrequent coverage.VIS, NIR and SWIR channels. Unsuitable dynamic range (saturation)
Snow cover2 - very highCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR channels, enabling screening snow from clouds
Soil moisture at surface4 - fairCloud sensitive.. Index only.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels. Soil moisture inferred from differential brightness
Soil type2 - very highCloud sensitive.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Specific humidity5 - marginalCloud sensitive.. Very coarse vertical resolution.. Infrequent coverage.. Daylight only.NIR hyperspectral channels including the ro-sigma-tau band of water vapour around 940 nm
Integrated Water Vapour (IWV)4 - fairCloud sensitive.. Infrequent coverage.. Daylight only.NIR hyperspectral channels covering the 940 nm band
Upward short-wave irradiance at TOA4 - fairSpectral interpolation needed.. Information on BRDF needed.. Infrequent coverage.VIS, NIR and SWIR hyperspectral channels
Vegetation type1 - primaryCloud sensitive.. Daylight only.VIS, NIR and SWIR hyperspectral channels
Aerosol volcanic ash4 - fairCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels including the 760 nm band for high-level ash
Aerosol volcanic ash (Total column)3 - highCloud sensitive.. Infrequent coverage.. Daylight only.VIS, NIR and SWIR hyperspectral channels including the 760 nm band for high-level ash