BackForwardInstrument:  MUS-uv/vis/nir 

Instrument details
Acronym MUS-uv/vis/nir
Full name Multi-spectral Optical Camera - UV/VIS/NIR
Purpose Ocean colour, vegetation, aerosol
Short description 12-channel UV/VIS/NIR radiometer: 380, 412, 443, 490, 531, 555, 620, 665, 682, 710, 785 and 865 nm. Detailed description not yet available.
Background Complementary to MUS-swir flown on SAC-E/SABIA-MAR A
Scanning Technique Cross-track, swath 1350
Resolution 200 to 1000 m, depending on channels, at s.s.p.
Coverage / Cycle Global in two days
Mass Power Data Rate

 

Providing Agency CONAE
Instrument Maturity Flown on an R&D satellite
Utilization Period: ≥2021 to ≥2026
Last update: 2014-05-29
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
  • Moderate resolution optical imager
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
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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
Downward short-wave irradiance at Earth surface5 - marginalCloud sensitive.. Highly indirect.VIS and NIR channels
Sea-ice cover5 - marginalCloud sensitive.. Daylight only.VIS and NIR (for contour enhancement) channels
Soil moisture at surface5 - marginalCloud sensitive.. Index only.. Daylight only.VIS and NIR channels. Soil moisture inferred from differential brightness
Aerosol column burden3 - highCloud sensitive.. Daylight only.UV (for absorbing aerosol), VIS (with narrow bandwidth) and NIR channels, including 760 nm for high-level aerosol
Aerosol Optical Depth3 - highCloud sensitive.. Daylight only.UV (for absorbing aerosol),VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol
Aerosol effective radius3 - highCloud sensitive.. Daylight only.UV (for absorbing aerosol), VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol
Aerosol mass mixing ratio3 - highCloud sensitive.. Daylight only.UV (for absorbing aerosol), VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol
Aerosol type3 - highCloud sensitive.. Daylight only.UV (for absorbing aerosol), VIS (with narrow bandwidth) and NIR channels including 760 nm for high-level aerosol
Aerosol volcanic ash3 - highCloud sensitive.. Daylight only.UV, VIS and NIR channels, including 760 nm for high-level ashes
Aerosol volcanic ash Total Column3 - highCloud sensitive.. Daylight only.UV (specifically sensitive to ash), VIS and NIR channels, including 760 nm for high-level ashes
Leaf Area Index (LAI)4 - fairCloud sensitive.. Daylight only.VIS and NIR channels. LAI inferred from NDVI
Cloud cover5 - marginalDaylight only.VIS and NIR channels
Cloud top height5 - marginalDaylight only.NIR channels to estimate the total-column O2 above the cloud top as measured around 760 nm
Cloud type5 - marginalDaylight only.VIS and NIR channels
Cloud optical depth4 - fairLow-density cloud only.. Daylight only.VIS and NIR channels
Upward short-wave irradiance at TOA4 - fairSpectral interpolation needed.. Information on BRDF needed.UV, VIS and NIR channels
Short-wave cloud reflectance5 - marginalNo specific limitation.VIS and NIR channels
Earth surface albedo5 - marginalCloud sensitive.VIS channels
Photosynthetically Active Radiation (PAR)3 - highCloud sensitive.VIS channels, range accurately sampled
Fraction of Absorbed PAR (FAPAR)3 - highCloud sensitive.VIS channels including Red at 700 nm
Ocean chlorophyll concentration 4 - fairCloud sensitive.. Daylight only.Many narrow-bandwith VIS channels, suitable for more water types, in open ocean
Colour Dissolved Organic Matter (CDOM)4 - fairCloud sensitive.. Daylight only.Many narrow-bandwith VIS channels, suitable for more water types, in open ocean
Ocean suspended sediments concentration4 - fairCloud sensitive.. Daylight only.Many narrow-bandwith VIS channels, suitable for more water types, in open ocean
Ocean Diffuse Attenuation Coefficient (DAC)4 - fairCloud sensitive.. Daylight only.Many narrow-bandwith VIS channels, suitable for more water types, in open ocean
Oil spill cover5 - marginalCloud sensitive.. Daylight only.VIS channels with narrow bandwidth
Normalised Difference Vegetation Index (NDVI)3 - highCloud sensitive.VIS and NIR channels
Biomass5 - marginalCloud sensitive.. Index only.. Daylight only.VIS and NIR channels. Biomass inferred from NDVI
Fire fractional cover5 - marginalCloud sensitive.. Coarse spatial resolution.. Daylight only.VIS channels
Snow cover4 - fairCloud sensitive.. Daylight only.VIS and NIR channels