The majority of sediment transported across the continental shelf travels through submarine canyons.
What are submarine canyons?
- Submarine canyons are steep-walled canyons cut into the ocean floor of continental slopes, sometimes extending to the continental shelf, with near-vertical walls, and canyons up to 5 km from the canyon floor to the canyon rim.
- Sometimes there is a wall height of, Exhibited like the Great Bahamas Canyon.
- Just as surface canyons act as channels for terrestrial water currents, underwater canyons act as channels for turbid currents on the ocean floor.
- Turbulence is the flow of dense sediment-laden water fed from rivers or generated on the ocean floor by storms, submarine landslides, earthquakes, and other submarine disturbances.
- Turbidity currents move at high speeds (up to 70 km/h) down slopes, erode continental slopes, and eventually deposit sediments on abyssal plains where particles settle.
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