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7.11: Landforms from Wave Erosion and Deposition

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

arch

An erosional landform that is produced when waves erode through a cliff.

barrier island

Long, narrow island composed of sand; nature’s first line of defense against storms.

beach

The sediments on a shore.

breakwater

Structure built in the water parallel to the shore to protect from strong incoming waves.

groin

Long, narrow piles of stone or timbers built perpendicular to the shore to trap sand.

refraction

A change in the direction of a wave caused by a change in speed. Waves refract when they travel from one type of medium to another.

sea stack

Isolated tower of rock that forms when a sea arch collapses.

seawall

Structure built parallel to the shore on the beach to protect against strong waves.

spit

Long, narrow bar of sand that forms as waves transport sand along shore.

wave-cut cliff

A sea cliff cut by strong wave energy.

wave-cut platform

Level area formed by wave erosion as waves undercut cliffs.

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Difficulty Level:
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Date Created:
Feb 24, 2012
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Aug 21, 2016
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