THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - PALSAR-2 (ALOS-2) -
Full Name Phased Array type L-band Synthetic Aperture Radar-2 Status Operational
Instrument Agencies JAXA Maturity Medium Heritage
Instrument Type Imaging microwave radars Geometry Side-looking
Instrument Technology Imaging radar (SAR) Sampling Imaging
Data Access Open Access Data Format CEOS SAR and GeoTiFF
Measurements and Applications Disaster Monitoring, Land monitoring, Agricultural Monitoring, Natural Resource Exploration, Global Forest Monitoring, Potential use and interferometry.
Resolution Summary Spotlight mode (1 to 3 m), stripmap mode (3 to 10 m).
[Best Resolution: 1m]
Swath Summary Spotlight mode: 25km, Stripmap mode: 50-70 km, Scan SAR mode: 350 - 490 km, Polarimetry: 30-50 km
[Max Swath: 490 km]
Accuracy Summary Surface Resolution: 1 to 3 m (Spotlight Mode), 3m (Ultra-Fine Mode), 6m (High sensitive Mode), 10m (Fine Mode),100 m (Scan Mode); Radiometric: ±1 dB
Waveband Summary Microwave: L-Band 1270 MHz
MW (~1.0 cm - ~100 cm)
L-Band (2 - 1 GHz)
Instrument Measurements
CategoryParameterAccuracy
Albedo and reflectanceEarth surface albedo 
Atmospheric WindsOil spill cover 
Gravity, Magnetic and Geodynamic measurementsCrustal Motion 
Ice sheet topographySea-ice sheet topography 
Landscape topographyLand surface topography 
Multi-purpose imagery (land)Fire area 
Land surface imagery 
Multi-purpose imagery (ocean)Ocean imagery and water leaving radiance 
Ocean surface windsWind vector over sea surface (horizontal) 
Sea ice cover, edge and thicknessSea-ice cover 
Sea-ice type 
Iceberg fractional cover 
Glacier motion 
Snow cover, edge and depthSnow cover 
Snow melting status (wet/dry) 
Soil moistureSoil moisture at the surface 
VegetationVegetation type 
Instrument Missions
ALOS-2 - Advanced Land Observing Satellite-2 (2014 - 2019)
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