A wave-cut platform grows and extends inland as a result of the erosional retreat of a wave-cut cliff.
A wave-cut platform, beach platform, coastal bench, or wave-cut cliff is the short flat area typically found at the base of a sea cliff or along the shoreline of a lake, bay, or sea that was produced by erosion. Wave-cut platforms are frequently most noticeable during low tide, when they are revealed as huge expanses of flat rock. The platform may occasionally have its landward side covered by sand, creating a beach, and then become invisible unless during low tides or storms when the sand is moved.
Wave-cut platforms are created when damaging waves strike the cliff face and create an undercut between the high and low water marks. This undercut is primarily caused by abrasion, corrosion, and hydraulic action, which results in a wave-cut notch.
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