Platform abrazyjna


Abrasive platform near Southerndown, South Wales Old platform near Bleik in Norway Platform on the Great Salt Lake Island in Antelope Island State Park, United States Abrasive platform (also Bench) - a type of coastal equilibrium created by the destruction of the coast or a large lake by striking waves that crumble and break rock or sand. Due to abrasion and rippling, the material moves from the cliff towards the body of water at the wavelength of the wave. On the front of the destroyed cliff, the area of ​​the abrasive platform extends, forming a flat surface slightly inclined from land to sea.

Rock material is dragged by waves to the sea and back to land, resulting in the formation of an abrasive-accumulating surface covered with a thin layer of rubble. At some distance from the cliff, in the zone of the strongest breaking of the wave, on the abrasive-accumulating surface, the shaft of the transported material is formed. The accumulation area where most debris is located is located behind the abrasive abutment to the shore.

On abutted coasts abrasive platforms can have a significant width.

The part of the abrasive platform that lies next to the destroyed cliff is the beach.

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