New map shows world’s seafloor in unprecedented detail

The new map’s accuracy is thanks to improved remote sensing instruments and access to two previously untapped streams of satellite data. These come from the ESA’s CryoSat-2, which is usually focused on monitoring polar ice volume but also operates continuously over the oceans, and NASA’s Jason-1, which was redirected to map Earth’s gravity field during the last year of its 12-year mission. Data from these satellites was combined with existing data and used to develop a scientific model that captures gravity measurements on the ocean seafloor.

via New map shows world’s seafloor in unprecedented detail.