BackForwardInstrument:  OMS-limb 

Instrument details
Acronym OMS-limb
Full name Ozone Monitoring Suite - limb scanning unit
Purpose Atmospheric chemistry - Straspheric profiles of ozone and other species. Tracked species: BrO, HCHO, NO2, O3, OClO, SO2 and aerosol
Short description UV/VIS spectrometer; range 290-500 nm; spectral resolution 0.6 nm
Background New development
Scanning Technique 3-km vertical steps
Resolution 300 km horizontal, 3 km vertical
Coverage / Cycle Global coverage in 4 days. Daylight only
Mass Power Data Rate

 

Providing Agency CMA
Instrument Maturity Backed by strong heritage
Utilization Period: ≥2021 to ≥2026
Last update: 2017-01-17
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
  • Limb sounders
  • Limb sounder
Mission objectives
Primary mission objectives
  • BrO Mole Fraction
  • ClO Mole Fraction
  • HCHO Mole Fraction
  • NO Mole Fraction
  • NO2 Mole Fraction
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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 mass mixing ratio5 - marginalLimited to high atmosphere.. Daylight only.UV and VIS spectrometry.
Atmospheric temperature4 - fairLimited to high atmosphere.. Daylight only.UV and VIS spectrometry.
BrO Mole Fraction3 - highLimited to high atmosphere.. Daylight only.UV spectrometry. BrO lines around 300 nm. Limb sounding mechanically or electronically
HCHO Mole Fraction3 - highLimited to high atmosphere.. Daylight only.UV spectrometry. HCHO lines around 350 nm. Limb sounding mechanically or electronically
ClO Mole Fraction3 - highLimited to high atmosphere.. Daylight only.UV Spectrometry. ClO lines around 300 nm.
NO Mole Fraction4 - fairLimited to high atmosphere.. Daylight only.UV spectrometry. NO lines around 250 nm.
NO2 Mole Fraction4 - fairLimited to high atmosphere.. Daylight only.UV and VIS spectrometry. Several lines in the ranges around 220 nm and 400 nm.
O3 Mole Fraction4 - fairLimited to high atmosphere.. Daylight only.UV and VIS spectrometry. Ozone lines in the bands around 260 nm (Hartley) and/or 340 nm (Huggins) and 600 nm (Chappuis).
PSC occurrence4 - fairLimited to high atmosphere.. Daylight only.UV and VIS spectrometry.
SO2 Mole Fraction4 - fairLimited to high atmosphere.. Daylight only.UV spectrometry. SO2 lines around 350 nm.
Specific humidity4 - fairLimited to high atmosphere.. Daylight only.UV and VIS spectrometry. Limb sounding.
Aerosol volcanic ash5 - marginalLimited to high atmosphere.. Daylight only.UV and VIS spectrometry;