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Ocean Topography
Term | Definition |
---|---|
Ocean Topography | The high and low points of the ocean floor along with its features. |
Continental Shelf | A gently sloping shallow area that extends outward from the edge of the continent. |
Continental Slope | A steep slope that marks the true end of the continent crust. |
Abyssal Plain | A smooth, nearly flat area covered with thick layer of sand and sediments. |
Seamount | Under water volcanic mountains. |
Volcanic Island | A seamount that has broken the surface of the water. |
Ocean Trench | A deep ocean valley usually created by the subduction of oceanic crust. |
Mid-ocean Ridge | Long, underwater mountain chain |
Continental Rise | A gently sloping area between the continental slope and the ocean basin. |
Continental Margin | The area made up of the continental shelf, slope and rise |