THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - SIRAL -
Full Name SAR Interferometer Radar Altimeter Status Operational
Instrument Agencies ESA Maturity
Instrument Type Radar altimeters Geometry Nadir-viewing
Instrument Technology Radar altimeter Sampling Other
Data Access Open Access Data Format
Measurements and Applications Marine ice and terrestrial ice sheet thickness measurement.
Resolution Summary Range resolution 45 cm, along-track resolution 250 m
Swath Summary Footprint 15 km
Accuracy Summary 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 Summary Microwave: 13.575 GHz (Ku-Band)
MW (~1.0 cm - ~100 cm)
Ku-Band (12.5 to 18 GHz)
Instrument Measurements
Measurements Overview
CategoryParameter
Ice sheet topographySea-ice sheet topography
Landscape topographyLand surface topography
Sea ice cover, edge and thicknessSea-ice thickness
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea Ice click here click here Record ID: 11014
Record ID: 11012
Record ID: 11011
CryoSat-2 Arctic sea ice thickness
CryoSat-2 Arctic sea ice thickness
find more ECV Inventory records
Instrument Missions
CryoSat - CryoSat (Earth Explorer Opportunity Mission) (2005 - 2005)
CryoSat-2 - CryoSat-2 (Earth Explorer Opportunity Mission) (2010 - 2020)
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