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Ocean Topography. What’s it look like under the waves?. Ocean topography. Continental shelf: the underwater edge of a continent Continental slope: the descent from the continental shelf to the ocean bottom.

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ocean topography1
Ocean topography
  • Continental shelf: the underwater edge of a continent
  • Continental slope: the descent from the continental shelf to the ocean bottom
  • Volcanic island arc: a usually arc-shaped chain of volcanoes located on the margin of the overriding plate at a convergent plate boundary
  • Abyss: an immeasurably deep chasm, depth, or void
ocean topography2
Ocean topography
  • Mid ocean ridge: continuous, submarine mountain chain extending approximately 50,000 mi (80,000 km) through all the world's oceans, separating them into distinct basins
  • Abyssal plain: the flat lands beyond the continental shelf that cover almost half the ocean floor
  • Guyot: A flat-topped, extinct submarine volcano having an elevation of over 1,000 m (3,280 ft) above the ocean floor
ocean topography3
Ocean topography
  • Ocean trench: Submarine valley. Ocean trenches are characterized by the presence of a volcanic arc on the concave side of the trench
  • Seamount: are literally undersea mountains rising from the bottom of the sea that do not break the water's surface