THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - HSI (HJ-1A) -
Full Name Hyper Spectrum Imager Status Operational
Instrument Agencies CAST Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Hyperspectral measurements for environment and disaster management operations.
Resolution Summary 100 m
[Best Resolution: 100m]
Swath Summary 50 km
[Max Swath: 50 km]
Accuracy Summary
Waveband Summary 0.45 - 0.95 µm (128 bands)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
CategoryParameterAccuracy
Albedo and reflectancePhotosynthetically Active Radiation (PAR) 
Fractionally absorbed PAR (FPAR) 
Earth surface albedo 
Cloud type, amount and cloud top temperatureCloud imagery 
Cloud type 
Cloud top temperature 
Multi-purpose imagery (land)Land surface imagery 
Multi-purpose imagery (ocean)Ocean imagery and water leaving radiance 
Ocean colour/biologyOcean chlorophyll concentration 
Ocean suspended sediment concentration 
Color dissolved organic matter (CDOM) 
Radiation budgetShort-wave Earth surface bi-directional reflectance 
Sea ice cover, edge and thicknessSea-ice cover 
Sea-ice thickness 
Snow cover, edge and depthSnow cover 
VegetationVegetation type 
Instrument Missions
HJ-1A - Huan Jing-1A (2008 - 2016)
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