CEOS EO HANDBOOK – INSTRUMENT SUMMARY - ICI -
Full Name Ice Cloud Imager Status Being developed
Instrument Agencies EUMETSAT, ESA Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Conical scanning
Instrument Technology Multi-purpose imaging MW radiometer Sampling Imaging
Data Access Open Access Data Format NetCDF-4 and BUFR
Measurements and Applications 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
Resolution Summary Footprint size 16 km
[Best Resolution: 16000m]
Swath Summary 1700km
[Max Swath: 1700 km]
Accuracy Summary Radiometric sensitivity below 0.7 - 2.0 K (depending on the channel), radiometric bias below 1.0-1.5 K (depending on the channel). Geolocation accuracy: below 2.5km. Ice Water Path: accuracy better than 50%
Waveband Summary 11 channels from 183 to 664 GHz. 243 GHz and 664 GHz measured at both V- and H-polarizations
FIR (~15.0 µm - ~0.1 cm)
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
CategoryParameter
Cloud particle properties and profileCloud ice (TC)
Cloud ice effective radius (LT, HT)
Instrument Missions
METOP-SG B1 - EUMETSAT Polar System - Second Generation - microwave imaging satellite 1 (2026 - 2035)
METOP-SG B2 - EUMETSAT Polar System - Second Generation - microwave imaging satellite 2 (2033 - 2041)
METOP-SG B3 - EUMETSAT Polar System - Second Generation - microwave imaging satellite 3 (2040 - 2048)