CEOS EO HANDBOOK – INSTRUMENT SUMMARY - GXI -
Full Name GeoXO Imager Status Being developed
Instrument Agencies NOAA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Earth disk scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Detects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.
Resolution Summary 250 - 2000 m
[Best Resolution: 250m]
Swath Summary
Accuracy Summary
Waveband Summary
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
AerosolsAerosol optical depth (column/profile)
Volcanic ash
Atmospheric WindsWind profile (horizontal)
Cloud particle properties and profileCloud liquid water (column/profile)
Precipitation Profile (liquid or solid)
Cloud ice content (at cloud top)
Cloud drop effective radius
Cloud optical depth
Cloud type, amount and cloud top temperatureCloud imagery
Cloud type
Cloud cover
Cloud top height
Cloud top temperature
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Precipitation index (daily cumulative)
Multi-purpose imagery (land)Fire fractional cover
Multi-purpose imagery (ocean)Ocean imagery and water leaving spectral radiance
Radiation budgetDownwelling (Incoming) solar radiation at TOA
Downward short-wave irradiance at Earth surface
Downward long-wave irradiance at Earth surface
Surface temperature (land)Land surface temperature
Fire temperature
Surface temperature (ocean)Sea surface temperature
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Aerosols properties click here click here search ECV Inventory records
Cloud Properties click here click here search ECV Inventory records
Earth Radiation Budget click here click here search ECV Inventory records
Fire click here click here search ECV Inventory records
Land Surface Temperature click here click here search ECV Inventory records
Ocean Colour click here click here search ECV Inventory records
Precipitation click here click here search ECV Inventory records
Sea Surface Temperature click here click here search ECV Inventory records
Wind speed and direction (upper-air) click here click here search ECV Inventory records
Instrument Missions
Geo-I1 - Geostationary Extended Observations Imager 1 (2032 - 2055)
Geo-I2 - Geostationary Extended Observations Imager 2 (2034 - 2055)
Geo-I3 - Geostationary Extended Observations Imager 3 (2039 - 2055)
Geo-I4 - Geostationary Extended Observations Imager 4 (2042 - 2055)