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Earth Topics (Applications)
Instrument type
Instrument
  • WS
  • Mission
    ERS
    Operators:
    ESA
    Date of Launch:
    ERS-1 - 17 July 1991
    ERS-2 - 21 April 1995
    Mission Status:
    ERS-1 ended on March 2000 and ERS-2 September 2011 
    Orbit Height:
    782 to 785 km
    Orbit type:
    Near-circular, polar, Sun-synchronous
    Swath Width:
    5 km
    SCATTEROMETER High Resolution Ocean Wind field and Sea Ice probability
    (ERS.ASPS20.H)
    ERS
    (1560) recent views
    Last update: 25 September 2017

    The ASPS Level 2 High Resolution products contain, for each node: the radar backscattering sigma nought for the three beams of the instrument, the four aliased wind solutions (Rank 1-4 wind vector) and the de-aliased wind vector flag, the sea-ice probability and sea-ice flag, the YAW quality flag.

    The wind retrieval is performed with the CMOD5N geophysical model function derived by ECMWF to compute the neutral winds rather than 10m winds.

    ASPS L2.0 High resolution products are provided with a spatial resolution of 25x25 km and a grid spacing of 12.5 km. One product covers one orbit from ascending node crossing.

    Data Set Specifications
    Spatial coverage: 82 N, 82 S, 180 W, 180 E
    Temporal coverage: 1996-03-26 - 2011-07-05
    Current Processor Version: ASPS 10.04
    Processing level
    Level 2
    How to access this data

    The data is distributed in ASPS and NetCDF format via FTP upon registration.

    Reprocessed Data: ERS-2 data are available from 26 March 1996 to 05 July 2011. See WS products table (PDF, 108 kb).

    See related news on the ERS-2 Scatterometer Level 2 reprocessing of 14 May 2015.

    View the latest news of 25 September 2017 on the ERS-2 WindScatt Level-2 dataset in NetCDF format.

    Terms & Conditions applicable
    Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions
    Resources

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    Documentation related to SCATTEROMETER data

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    SCATTEROMETER Quality Information

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