CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
Measurements > Atmosphere >
Aerosols >
Volcanic ash


Measurement Definition*: The location of a volcanic ash cloud. [Unit of measurement – Lat/Long]
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
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
Advanced MI
Advanced Meteorological Imager
Operational
Continuous monitoring capability for the near real-time generation of high-resolution meteorological products and long-term change analysis of sea surface temperature and cloud coverage.n/a
AHI
Advanced Himawari Imager
Operational
Measures cloud cover, cloud motion, cloud height, cloud properties, water vapour, rainfalll, sea surface temperatures and Earth radiation, dust, aerosols, volcanic ash, fires, snow and ice cover.n/a
AVHRR/3
Advanced Very High Resolution Radiometer/3
Operational
Measurements of land and sea surface temperature, cloud cover, snow and ice cover, soil moisture and vegetation indices. Data also used for volcanic eruption monitoring.n/a
HYC
HYperspectral Camera
Operational
Hyperspectral data for complex land ecosystem studies.n/a
OLCI
Ocean and Land Colour Imager
Operational
Marine and land services.n/a
FCI
Flexible Combined Imager
Being developed
Measurements of cloud cover, cloud top height, precipitation, cloud motion, vegetation, radiation fluxes, convection, air mass analysis, cirrus cloud discrimination, tropopause monitoring, stability monitoring, total ozone and sea surface temperature.n/a
GEOXO Imager
GEO Extended Operations Imager
Being developed
 n/a
HSI
Hyperspectral Imager
Approved
Detailed monitoring and characterization of rock and soil targets, vegetation, inland and coastal waters on a global scale.n/a
* Description adapted from WMO.