CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- GERB
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Full Name
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Geostationary Earth Radiation Budget
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Status
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Operational
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Instrument Agencies
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EUMETSAT, ESA, RAL
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Maturity
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Instrument Type
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Earth radiation budget radiometers
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Geometry
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Earth disk scanning
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Instrument Technology
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Broad-band radiometer
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Sampling
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Imaging
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Data Access
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Open Access
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Data Format
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native, HDF
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Measurements and Applications
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Measures long and short wave radiation emitted and reflected from the Earth's surface, clouds and top of atmosphere. Full Earth disk, all channels in 5 minutes.
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Resolution Summary
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44.6 x 39.3 km
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Swath Summary
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Single column moved alternately W-E and E-W to cover the complete earth disc
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Accuracy Summary
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SW=1.2 Wm-2, LW=7.5 Wm-2
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Waveband Summary
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SW: 0.32 - 4.0 µm, LW 4.0 - 30 µm (by subtraction)
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UV (~0.01 µm - ~0.40 µm) |
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) |
FIR (~15.0 µm - ~0.1 cm) |
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Instrument Measurements
Measurements Overview
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Instrument Missions
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