Full Name Active Microwave Instrumentation. Wind mode Status No longer operational
Instrument Agencies ESA Maturity
Instrument Type Scatterometers Geometry Side-looking
Instrument Technology Radar scatterometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Measurements of wind fields at the ocean surface, wind direction (range 0 - 360 deg), wind speed (range 1 - 30 m/s).
Resolution Summary Cells of 50 x 50 km at 25 km intervals
Swath Summary 500 km
Accuracy Summary Sea surface wind speed: 3 m/s, Sea ice type: 2 classes
Waveband Summary Microwave: 5.3 GHz (C-band), VV polarisation
MW (~0.1 cm - ~100 cm)
C-Band (8 - 4 GHz)
Instrument Measurements
Measurements Overview
Ocean surface windsWind vector over sea surface (horizontal)
Sea ice cover, edge and thicknessSea-ice cover
Sea-ice type
Soil moistureSoil moisture at the surface
VegetationVegetation type
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 search ECV Inventory records
Soil Moisture click here click here search ECV Inventory records
Instrument Missions
ERS-1 - European Remote Sensing satellite - 1 (1991 - 2000)
ERS-2 - European Remote Sensing satellite - 2 (1995 - 2011)