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reduction model

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  • The chart datum for the German Bight 2021 is a surface representation of chart datum. It is a resource for reductions of depths from hydrographic survey data and for the production of nautical charts. This dataset is based on the Chart datum for the German Bight 2021, with the "German Combined Quasi Geoid 2016 (GCG2016)" subsequently added to the difference values to transfer the elevation reference to the reference ellipsoid GRS80.

  • The chart datum for the German Bight 2021 is a surface representation of chart datum. It is a resource for reductions of depths from hydrographic survey data and for the production of nautical charts. This model was replaced by chart datum for the German Bight 2021 (ellipsoid).

  • The chart datum for the German Bight 2021 is a surface representation of chart datum. It is a resource for reductions of depths from hydrographic survey data and for the production of nautical charts. For more information, please visit: https://gdi.bsh.de/en/data/Chart-datum-for-the-German-Bight-2021_Kurzinformation_Factsheet.pdf

  • The chart datum for the German Bight 2015 is a surface representation of chart datum. It is a resource for reductions of depths from hydrographic survey data and for the production of nautical charts. This model was replaced by chart datum for the German Bight 2021

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