GEBCO_08 Grid updated to include the International Bathymetric Chart of the Arctic Ocean (IBCAO)Updated version of the GEBCO_08 Grid released

News and events — November 2009

The GEBCO_08 Grid is a 30 arc-second grid of global elevations; it is a continuous terrain model for ocean and land. The grid was generated by combining quality-controlled ship depth soundings with interpolation between sounding points guided by satellite-derived gravity data and was first released in January 2009.

The grid has been updated to include version 2.23 of the International Bathymetric Chart of the Arctic Ocean (IBCAO) for the region 64°N-90°N; 180°W-180°E and is now available to download from the British Oceanographic Data Centre (BODC).

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