CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- CALIOP
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Full Name
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Cloud-Aerosol Lidar with Orthogonal Polarization
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Status
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No longer operational
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Instrument Agencies
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NASA
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Maturity
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Instrument Type
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Lidars 
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Geometry
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Nadir-viewing
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Instrument Technology
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Atmospheric lidar
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Sampling
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Sounding
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Data Access
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Open Access
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Data Format
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HDF
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Measurements and Applications
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Two-wavelength, polarisation lidar capable of providing aerosol and cloud profiles and properties.
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Resolution Summary
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Vertical sampling: 30 m, 0 – 40 km
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Swath Summary
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333 m along-track
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Accuracy Summary
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5% (532 nm)
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Waveband Summary
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532 nm (polarization-sensitive), 1064 nm, VIS - NIR
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| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
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Instrument Measurements
Measurements Overview
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| Category | Parameter |
| Aerosols | Aerosol Extinction / Backscatter (LT, HT, LS, TC)   |
| Aerosol optical depth (LT, HT, LS) |
| Atmospheric Temperature Fields | Cloud base height |
| Cloud particle properties and profile | Cloud ice (LT, HT, LS) |
| Cloud optical depth |
| Cloud ice effective radius (LT, HT, LS) |
| Cloud type, amount and cloud top temperature | Cloud top height |
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Instrument Missions
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