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CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
Measurements
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Atmosphere
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Liquid water and precipitation rate
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Precipitation index (daily cumulative)
Measurement Definition*: Cumulative precipitation over a 24-hour period.
Instrument
Status/
Accuracy
Instrument Description
Measurement Technology
Timeline
ABI
Advanced Baseline Imager
Operational
Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.
n/a
AIRS
Atmospheric Infra-red Sounder
Operational
High spectral resolution measurement of temperature and humidity profiles in the atmosphere. Long-wave Earth surface emissivity. Cloud diagnostics. Trace gas profiles. Surface temperatures.
Medium-resolution IR spectrometer
* Description adapted from WMO.
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