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Earth Topics (Applications)
  • Land
  • Topography/Mapping

    Soil

    Vegetation

  • Snow and Ice
  • Sea Ice

    Snow and Ice

  • Water
  • Water Management

    Instrument type
    Instrument
    Mission
    Operators:
    ESA
    Date of Launch:
    1 March 2002
    Mission Status:
    Out of service since May 2012 
    Orbit Height:
    800 km 
    Orbit type:
    Sun-synchronous 
    Swath Width:
    5 - 1150 km
    ASAR Global Monitoring Image Mode Product
    (ENVISAT.ASA.GM1_1P)
    ENVISAT
    (619) recent views
    Last update: 2 August 2016

    This product has been generated from Level 0 data collected when the instrument was in Global Monitoring Mode. One product covers a full orbit. The product includes slant range to ground range corrections.

    This strip-line product is the standard for ASAR Global Monitoring Mode. It is processed to approximately 1 km resolution using the SPECAN algorithm. The swath width is approximately 400 km.

    Spatial Resolution: 1 km ground range x 1 km azimuth

    Data Set Specifications
    Spatial coverage: 90 N, 90 S, 180 W, 180 E
    Temporal coverage: 2004-02-02 - 2012-04-08
    Processing level
    Level 1b
    How to access this data

    Data is available online upon user registration

    Terms & Conditions applicable
    Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions
    Auxiliary data
    ASAR auxiliary data
    Available via SPPA
    Resources

    PDF

    ASAR Products Specification - Revision C

    HTML

    SPECAN Algorithm

    HTML

    ASA_GM1_1P File Structure

    PDF

    Envisat ASAR Science and Applications

    HTML

    ASAR Product Handbook

    HTML

    ASAR Level 1 Algorithms

    PDF

    More ASAR Documents