GMT (Generic Mapping Tools) shell scripts mapping total marine sediment thickness from the NOAA/NGDC GlobSed grid over ocean basins, seas and trenches, with turbo colour-shaded grids, isopach contours, coastlines and cartographic layout.
cartography geoscience generic-mapping-tools scientific-visualization oceanography gmt shell-scripting geomorphology sedimentation bathymetry map-projection raster-processing geospatial-visualization marine-geophysics grid-processing marine-geology sediment-thickness globsed isopach ocean-basins
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Updated
Sep 12, 2026 - Shell