Gridded Bathymetry Data :GEBCO

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GEBCO stands for General Bathymetry Chart of the Oceans. GEBCO aims to provide the most authoritative publicly available bathymetric data sets for the world’s oceans.EBCO’s gridded bathymetric data sets are global terrain models for ocean and land and include the

  • GEBCO_2014 Grid — a global 30 arc-second interval grid
  • GEBCO One Minute Grid — a one arc-minute interval grid. Last updated in 2008. Please note that there are no plans for further development of this data set.

In order to assist and encourage further participation in bathymetric grid development work, GEBCO has created a technical reference manual, the IHO-IOC GEBCO Cook Book, on how to build bathymetric grids.
Grid display software used to view and access data from GEBCO's gridded bathymetric data sets

The GEBCO_2014 Grid is available to download for user-defined areas in netCDF, Esri ASCII raster or INT16 GeoTiff formats. The GEBCO One Minute Grid is available in netCDF only.

In netCDF format the grids are available as either two-dimensional (2D) or one-dimensional (1D) array grid files. You can download data for a user-defined area or the complete global grid. The 1D array grids are for use with GEBCO’s Grid Display Software so are only available as a global grid.                                                         (Grid Display Software)

Data Source

Download IHO-IOC GEBCO Cook Book

Grid display software

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