A global marine gravity model that is two times more accurate than previous models has been published on Science October 3rd 2014. The model has been built by researchers of the Scripps Institution of Oceanography (La Jolla, California) in collaboration with the European Space Agency (ESA). They have identified an extinct spreading ridge in the Gulf of Mexico, a major propagating rift in the South Atlantic Ocean, abyssal hill fabric on slow-spreading ridges, and thousands of previously ncharted seamounts. These discoveries allow us to understand regional tectonic processes and highlight the importance of satellite-derived gravity models as one of the primary tools for the investigation of remote ocean basins.
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