Marine Geoscience Data System

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Create Maps & Grids

Make your own maps and custom grids from our Global Multi-Resolution Topography compilation (Ryan et al., 2009) by selecting a geographic region or focus/study site below. View the list of contributors whose data have been incorporated into GMRT.

Select Site (sets coordinates)
Specify Coordinates
Instructions Choose Selection By Clicking Opposite Corners
Click Anywhere to Clear