CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- SOFIS
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Full Name
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Solar Occultation Fourier transform spectrometer for Inclined Orbit Satellite
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Status
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No longer considered
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Instrument Agencies
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JAXA , MOE (Japan)
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Maturity
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Instrument Type
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Atmospheric chemistry 
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Geometry
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Occultation
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Instrument Technology
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Limb-scanning SW spectrometer
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Sampling
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Sounding
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Data Access
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Data Format
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Measurements and Applications
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Monitors ozone and its minor constituents to obtain the global distribution of O3, HNO3, NO2, N2O, CH4, H2O, CO2, CFC-11, CFC-12, ClONO2, aerosols, pressure & temperature. Provides 3D global ozone distribution along with OPUS.
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Resolution Summary
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Swath Summary
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Altitudes of 5 - 150 km
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Accuracy Summary
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Waveband Summary
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MWIR - TIR: 3.25 - 6.5 µm, 6.5 - 13 µm, 753 - 784 nm
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| NIR (~0.75 µm - ~1.3 µm) |
| MWIR (~3.0 µm - ~6.0 µm) |
| TIR (~6.0 µm - ~15.0 µm) |
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Instrument Measurements
Measurements Overview
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| Category | Parameter |
| Aerosols | Aerosol Extinction / Backscatter (column/profile)   |
| Aerosol absorption optical depth (column/profile) |
| Atmospheric Humidity Fields | Atmospheric specific humidity (HT, LS, HS&M) |
| Atmospheric Temperature Fields | Atmospheric temperature (HT, LS, HS&M) |
| Ozone | O3 Mole Fraction |
| Trace gases (excluding ozone) | CH4 Mole Fraction |
| CFC-11 (HT, LS, HS&M) |
| CFC-12 (HT, LS) |
| NO2 Mole Fraction |
| N2O (HT, LS, HS&M) |
| HNO3 (HT, LS, HS&M) |
| ClONO2 (HT, LS, HS&M) |
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Instrument Missions
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