CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- GIIRS
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Full Name
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Geostationary Interferometric Infrared Sounder
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Status
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Operational
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Instrument Agencies
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NSMC-CMA
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Maturity
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Instrument Type
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Atmospheric temperature and humidity sounders 
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Geometry
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Instrument Technology
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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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Measurements of three dimensional atmospheric structure. Large-area, continuous, fast, and accurate vertical air soundings of temperature and humidity. Subsequent units have slightly different specifications.
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Resolution Summary
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LWIR/S/MIR: 16km SSP
VIS: 2km SSP
[Best Resolution: 2000m]
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Swath Summary
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Accuracy Summary
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1.5k (3σ) radiation, 10 ppm (3σ) spectrum
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Waveband Summary
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LWIR: 700-1130 cm-1, 538 channels
S/MIR: 1650-2250 cm-1, 375 channels
VIS: 0.55-0.75 µm, 1 channel
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| VIS (~0.40 µm - ~0.75 µm) |
| SWIR (~1.3 µm - ~3.0 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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Instrument Missions
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