| CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
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Measurements > Atmosphere >
Cloud particle properties and profile >
Cloud ice effective radius (column/profile)
  | Measurement Definition*: Area weighted mean radius of the cloud droplets. |
| 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. | Multi-purpose imaging Vis/IR radiometer | |
ICI
Ice Cloud Imager | Being developed
+/-50 % | Measures ice cloud properties (ice water path, mean ice mass height, mean ice particle size by mass), liquid/solid precipitation information, and water vapour profiles | n/a | |
METimage
Multi Spectral Imager | Being developed
| Operational multi spectral imager for meteorological EPS-SG VIS/IR Imaging Mission (VII): imagery data for global and regional NWP, NWC, and climate monitoring with information on LST, SST, clouds coverage, height and micro-physics, land surfaces (vegetation, snow/ice, fire), water vapour column, aerosol and atmospheric motion vectors. Provides collocated cloud mask, height & characterisation as well as intra-pixel heterogeneity to other EPS-SG missions (with larger footprint). | Multi-purpose imaging Vis/IR radiometer | |
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* Description adapted from WMO.
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