GMT (Generic Mapping Tools) shell script mapping the geographic layout of 25 cross-section profiles along the Mariana Trench, plotting profile transects as oriented vectors on an Albers equal-area contour basemap from ETOPO1 relief.
cartography geoscience generic-mapping-tools scientific-visualization digital-elevation-model gmt shell-scripting geomorphometry bathymetry map-projection cross-section terrain-analysis geospatial-visualization marine-geophysics grid-processing ocean-trenches etopo1 mariana-trench profile-location albers-projection
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Updated
Sep 12, 2026 - Shell