Measurements and Applications
Marine ice and terrestrial ice sheet thickness measurement.
Full Name
SAR Interferometer Radar Altimeter
Status
Operational
Instrument Agencies
Maturity
Instrument Type
Radar altimeters 
Geometry
Nadir-viewing
Instrument Technology
Radar altimeter
Sampling
Other
Data Access
Open Access
Data Format
Resolution
Range resolution 45 cm, along-track resolution 250 m
Accuracy
Arctic sea-ice: 1.6 cm/year for 300 km x 300 km cells, Land ice (small scale): 3.3 cm/year for 100 x 100 km cells, Land ice (large scale): 0.17 cm/year for Antarctica size area
Waveband
Microwave: 13.575 GHz (Ku-Band)
| MW (~0.1 cm - ~100 cm) |
| Ku-Band (12.5 to 18 GHz) |
CryoSat - CryoSat (Earth Explorer Opportunity Mission) (2005 - 2005) |
CryoSat-2 - CryoSat-2 (2010 - 2025) |