CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- GLI
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Full Name
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Global Imager
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Status
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No longer operational
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Instrument Agencies
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JAXA
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Maturity
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Instrument Type
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Imaging multi-spectral radiometers (vis/IR) 
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Geometry
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Conical scanning
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Instrument Technology
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Medium-resolution spectro-radiometer
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Sampling
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Imaging
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Data Access
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Data Format
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Measurements and Applications
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Measures water vapour, aerosols, cloud cover, cloud top height/temp, ocean colour, sea surface temperature, land surface temparature, glacier extent, icebergs, sea ice and snow cover, photosynthetically active radiation, vegetation type and land cover.
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Resolution Summary
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1 km for 28 bands, 250 m for 6 bands
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Swath Summary
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1600 km
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Accuracy Summary
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Specific humidity profile: 0.5 g/m2 through total column, surface temp 0.4 - 0.5 K, cloud top temp: 0.5 K, cloud cover: 3%, cloud top height: 0.5 km, ice and snow cover: 5%
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Waveband Summary
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VIS and NIR: 23 bands (380 - 830 nm), NIR - SWIR: 6 bands (1050 - 2215 nm), MWIR - TIR: 7 bands (3.75 - 11.95 µm)
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| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 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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