GMT / netCDF FormatDescriptionGMT (Generic Mapping Tools) is a public-domain collection of command-line routines for creating maps on UNIX platforms. GMT uses a special adaptation of the netCDF format for storing gridded raster data. How to ImportChoose Import DEM → GMT Raster (netCDF) from the File menu and then select the file, which will usually have the filename extension "*.grd". Data SourceThere is no single source of data in this format, but the National Geophysical Data Center (NGDC) of NOAA releases the IBCAO (International Bathymetric Chart of the Arctic Ocean) Artic bathymetry data set in this format (versions 1, 2 and 3). Data AvailabilityThis format is primarily used for bathymetric data.Web SitesIBCAO Arctic Bathymetry from NGDC: http://www.ngdc.noaa.gov/mgg/bathymetry/arctic/arctic.html Copyright (C) RIVIX, LLC. 1998-2021 |