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HomeHomework HelpgeologyGeological Controls on Coastal Erosion

Geological Controls on Coastal Erosion

Geological controls on coastal erosion refer to the influence of geological factors, such as rock type, structure, and sediment composition, on the rate and patterns of erosion along coastlines. These controls determine how resistant or vulnerable coastal landforms are to the processes of wave action, currents, and weathering.

intermediate
3 hours
Geology
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Overview

Coastal erosion is a natural process that shapes coastlines through the action of waves, currents, and geological factors. Understanding the geological controls on erosion, such as rock types and coastal landforms, is essential for effective coastal management. Different rock types erode at differen...

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Key Terms

Coastal Erosion
The process by which coastlines are eroded by natural forces.

Example: Coastal erosion can lead to the loss of beaches.

Wave Action
The movement of waves that can erode coastal landforms.

Example: Strong wave action can wear down cliffs.

Sediment Transport
The movement of sediment along the coast due to water and wind.

Example: Sediment transport can create new beaches.

Longshore Drift
The movement of sediment along the coast by wave action.

Example: Longshore drift can change the shape of a beach.

Hard Engineering
Coastal protection methods that involve physical structures.

Example: Sea walls are a form of hard engineering.

Soft Engineering
Coastal protection methods that work with natural processes.

Example: Beach nourishment is a soft engineering technique.

Related Topics

Marine Geology
Study of geological features and processes in marine environments.
intermediate
Coastal Management
Strategies and practices for managing coastal areas and resources.
intermediate
Sedimentology
Study of sedimentary rocks and processes of sediment transport.
advanced
Climate Change Effects on Coasts
Impact of climate change on coastal erosion and landforms.
advanced

Key Concepts

rock typeswave actionsediment transportcoastal landforms