| CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
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Measurements > Atmosphere >
Cloud type, amount and cloud top temperature >
Cloud top pressure
  | Measurement Definition*: Pressure at the top of the cloud - Measuring Units hPa, Uncertainty Units hPa
Thematic Links |
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
AMI
Advanced Meteorological Imager | Operational
| Continuous monitoring capability for the near real-time generation of high-resolution meteorological products and long-term change analysis of land/sea surface temperature and cloud coverage. | n/a | |
IASI-NG
Infrared Atmospheric Sounding Interferometer - New Generation | Being developed
| Measures profiles of atmospheric temperature, humidity, ozone, carbon monoxide, columns of methane, nitrous oxide, and other minor gases, and sea, ice, and land surface temperature and emissivity. Provides information on aeorols and cloud: fractional coverage, phase, cloud top height (input to Polar AMVs) and particle size. Prime applications: NWP, AC/AQ, climate. Secondary applications: NWC, land/ocean surface monitoring. IASI-NG will resume IASI role as internationl standard for satellite inter-calibration (GSICS). | n/a | |
UVNS (Sentinel-5)
Ultra-violet Visible Near-infrared Shortwave-infrared spectrometer | Being developed
| Supporting atmospheric composition and air quality monitoring services. Measurements of atmospheric trace gases, primarily O3, NO2, SO2, HCHO, CH4, CO, CHOCHO as well as Aerosols and UV Index. | n/a | |
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* Description adapted from WMO.
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