CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- GMI
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Full Name
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Greenhouse-gases Monitoring Instrument
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Status
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Operational
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Instrument Agencies
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CNSA
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Maturity
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Low Heritage
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Instrument Type
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Atmospheric chemistry 
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Geometry
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Instrument Technology
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High-resolution nadir-scanning SW spectrometer
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Sampling
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Data Access
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Data Format
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Measurements and Applications
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Greenhouse-gases monitoring using spatial heterodyne spectroscopy
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Resolution Summary
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10.5 km
[Best Resolution: 10500m]
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Swath Summary
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Field of View :14.6mrad, IFOV<10.3km@708km
[Max Swath: 850 km]
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Accuracy Summary
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Radiation calibration: 5% (relative,~2%)
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Waveband Summary
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0.76 μm - 2.1 μm (NIR - SWIR). 0.76 µm - 2.1 µm (NIR - SWIR). O2 : 0.765um ,CO2 : 1.575um,CH4 :1.65um, CO2 :2.05um. Spectral resolution: 0.6cm-1 - 0.25 cm-1.
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Instrument Measurements
Measurements Overview
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Instrument Missions
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