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Coastal erosion
Question | Answer |
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Name 3 features of coastal erosion? | Cliffs, sea stumps and a wave cut platform |
What are cliffs and where can they be found ? | Cliffs are vertical or steep slopes on the coastline that are formed as a result of coastal erosion and can be found at the cliffs of moher Co.Clare |
Explain the term abrasion? | Abrasion refers to the sea using its load to erode the coastline. it is the most effective form of erosion especially during storms |
What occurs as a result of hydraulic action? | hydraulic action fractures rock, enlarges joints and washes away loose pieces of debris |
Define the term undercutting ? | when the base of the coast is eroded away leaving the upper part unsupported |
What are the signs of a cliff becoming inactive? | vegiatation growth on the face of the cliff or piles of material at the base |
give a brief description on a sea stump? | A sea stump is a small , flat plateau of rockthat is cut off from the coastline. it is the final landform produced in the erosion of a headland before it is too destroyed by waves |
How is a blowhole formed ? | sometimes the roof of a cave is eroded to from a tunnel to the land above. this occurs as compression shatters the rock between the cave roof and top of the cliff |
What is a geo? | a geo is a small narrow coastal inlet. geos form as a result of a line of weakness along a cliff or from the collapse of a sea cave |