Coastal Erosion Flashcards

[Click to shuffle]

Give an outline of what abrasion involves.
Click to View the Answer
Click to View the Question

Abrasion occurs as breaking waves, concentrated between the high and low watermarks, which contain sand and larger fragments wear away the base of a cliff or headland. It is commonly known as the sandpaper effect. This process is particularly common in high-energy storm conditions.

Find out more about coastal erosion.

Give an outline of what abrasion involves.
What is coastal erosion?
Click to View the Answer
Click to View the Question

Coastal erosion is the wearing away of the land by the sea.

Find out more about the processes of coastal erosion.

What is coastal erosion?
Give an outline of what corrasion involves.
Click to View the Answer
Click to View the Question

Corrasion is when destructive waves pick up beach material (e.g. pebbles) and hurl them at the base of a cliff. Over time this can loosen cliff material forming a wave-cut notch.

Find out more about coastal erosion.

Give an outline of what corrasion involves.
Identify the main processes of coastal erosion.
Click to View the Answer
Click to View the Question

Corrasion, abrasion, hydraulic action, attrition and corrosion/solution.

Find out more about the processes of coastal erosion.

Identify the main processes of coastal erosion.
Give an outline of the steps involved in hydraulic action.
Click to View the Answer
Click to View the Question

Waves hitting the base of a cliff causes leads to air compression in cracks, joints and folds in bedding planes, causing repeated changes in air pressure. As air rushes out of the crack when the wave retreats, it leads to an explosive effect as pressure is released. This process is supported further by the weakening effect of weathering. The material breaks off cliffs, sometimes in huge chunks. This process is known as hydraulic action.

Find out more about coastal erosion.

Give an outline of the steps involved in hydraulic action.




Request a question

This contact form is deactivated because you refused to accept Google reCaptcha service which is necessary to validate any messages sent by the form.