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Instrument image

The purpose of the Wind Scatterometer is to obtain information on wind speed and direction at the sea surface for incorporation into models, global statistics and climatological datasets. It operates by recording the change in radar reflectivity of the sea due to the perturbation of small ripples by the wind close to the surface. This is possible because the radar backscatter returned to the satellite is modified by wind-driven ripples on the ocean surface and, since the energy in these ripples increases with wind velocity, backscatter increases with wind velocity.

Not Operational
Technical Characteristics
Sea surface wind speed: 3m/s, Sea ice type: 2 classes
Spatial Resolution:
Cells of 50km x 50km at 25km intervals
Swath Width:
Microwave: 5.3GHz (C-band), VV polarisation
Earth Topics
Natural Disasters ( Hurricane ), Atmosphere ( Winds )
Related Instruments
Available Resources Type Access
Database of Global C-Band Radarbackscatter Software order
Cyclic Acquisitions link
Minimize Latest Mission Operations News

ERS-2 Scatterometer L2 dataset processing with ASPS v. 10.04 completed

14 May 2015

The re-processing campaign of ERS-2 Scatterometer Level 2.0 products has been completed, adopting the latest Advanced Scatterometer Processing System (ASPS) version 10.04. Data from Cycle 10 to Cycle 165 (26 March 1996 - 07 March 2011) and from the 3 days repeat cycles at the end of the mission (07 March 2011 - 05 July 2011) is now available to the user community.