The data filea are included in a zip file along with the data set documentation. The GEBCO_2022 Grid and TID Grid can be download as global files in netCDF format or a set of 8 tiles (each with an area of 90° x 90°), giving global coverage, in Esri ASCII raster and data GeoTiff formats. Find out more about the grid generation process. GEBCO releases a new global grid every year, generally in late June. Provide feedback, tell us how you are using the grid. More information about the grid, its terms of use and attribution. This release includes a version of the grid with under-ice topography/bathymetry information for Greenland and Antarctica. It is accompanied by a Type Identifier (TID) Grid that gives information on the types of source data that the GEBCO_2022 Grid is based on. GEBCO’s current gridded bathymetric data set, the GEBCO_2022 Grid, is a global terrain model for ocean and land, providing elevation data, in meters, on a 15 arc-second interval grid.
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