BackForwardInstrument:  OMS-limb 

Instrument details
Acronym OMS-limb
Full name Ozone Monitoring Suite - limb scanning unit
Purpose Atmospheric chemistry - Stratospheric profiles of ozone and other species. Tracked species: O3, OClO, SO2 and aerosol
Short description
  • UV/VIS spectrometer; range 290-500 nm; spectral resolution 0.6 nm
  • Calibration monitoringĀ here
Background

New development
Scanning Technique

3-km vertical steps from 15-60 km altitude.
Resolution 100 km horizontal, 3 km vertical
Coverage / Cycle Global coverage in 30 days. Daylight only
Mass Power Data Rate

 

Providing Agency CMA
Instrument Maturity Backed by strong heritage
Utilization Period: 2023 to 2032
Last update: 2024-09-09
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
WIGOS Subcomponents
  • Subcomponent 1
  • UV/VIS/NIR sounders, nadir and limb
  • UV/VIS/NIR scanning limb sounder
  • Subcomponent 2
  • UV/VIS/NIR/IR/MW limb sounders
  • UV/VIS/NIR/IR/MW scanning limb sounder
Mission objectives
Primary mission objectives
  • BrO
  • ClO
  • HCHO
  • NO
  • NO2
  • O3
  • SO2
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
Note: * Primary mission objective.
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*3 - highLimited to high atmosphere.. Daylight only.UV spectrometry. BrO lines around 300 nm. Limb sounding mechanically or electronically
HCHO*3 - highLimited to high atmosphere.. Daylight only.UV spectrometry. HCHO lines around 350 nm. Limb sounding mechanically or electronically
ClO*3 - highLimited to high atmosphere.. Daylight only.UV Spectrometry. ClO lines around 300 nm.
NO*4 - fairLimited to high atmosphere.. Daylight only.UV spectrometry. NO lines around 250 nm.
NO2*4 - fairLimited to high atmosphere.. Daylight only.UV and VIS spectrometry. Several lines in the ranges around 220 nm and 400 nm.
O3*4 - 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*4 - 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;