Ocean Floor Topography

From the late 19th century when the norwegian explorer fridtjof nansen first discovered an ocean in the central arctic until the middle of the 20th century it was believed that the arctic ocean was a single large basin explorations after 1950 revealed the true complex nature of the ocean floor. Ocean floor topography involves the study of ocean bottom features including the outer continental shelf continental slopes and ocean waves desktops. Bathymetry the shape of the ocean floor is largely a result of a process called plate tectonics the outer rocky layer of the earth includes about a dozen large sections called tectonic plates that are arranged like a spherical jig saw puzzle floating on top of the earth s hot flowing mantle.

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Plate tectonics and the ocean floor.

Ocean floor topography. This study is extensive and it has been established that the ocean floor has similar features of mountains and valleys as on the earth. Green less than 3 000 m. Thanks to a new synthesis of seafloor topography released through google earth. The problem with that approach is that our oceans are vast and ships are small meaning only a tiny percentage of the ocean floor between 5 15 percent nasa estimates was mapped.

And purple greater than 6 000 m. Published today this is the most detailed map of the ocean floor ever produced using satellite imagery to show ridges and trenches of the earth s underwater surface even for areas which have. Red and yellow colors indicate less than 2 000 m depth. Topography of the ocean floor.

Blue 4 000 m to 5 000 m. Researchers today published the most detailed map of the ocean floor ever produced. Figure 18 2 the topography of the atlantic ocean sea floor between 0 and 50 north. The under water topography maps have been developed by the study of ocean floor topography.

The ocean floors contain dramatic landscapes volcanic ridges lofty peaks wide plains and deep valleys. Data collected by satellites and remote sensing instruments were used to created a model at least twice as.

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