Coasts Key Words 1
Key words and definitions for year 8 secondary school Coasts in geography.
- Created by: un1corn123
- Created on: 07-12-18 17:07
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- Coasts - Key Words
- Coast
- The edge of the land where the land meets the sea
- Wave
- A visibly long body of water curling into an arched form and breaking on the shore
- Constructive Wave
- A powerful wave with a strong swash and a weak backwash that rushes up the shore. They are long in relation to their height, are usually less frequent and are responsible for deposition along the coastline.
- Destructive Wave
- A powerful wave formed during small storms with a strong backwash and a weak swash. They are tall in relation to their length, are usually more frequent and are responsible for greater amounts of erosion.
- Swash (uprush)
- The term given to the forward motion of the wave up the beach/shore.
- Backwash
- The backward movement of water down a beach once the wave has broken.
- Crest
- The term given to the very top of the wave as it rolls into shore.
- Trough
- The term given to the depression between two wave crests. Usually, the longer the trough, the less frequent the waves.
- Fetch
- The length of water the wind blows over before it meets the coast. The longer the fetch, the bigger the wave.
- Prevailing Wind
- The term given to the wind that blows most often. In the UK that is a south-westerly wind.
- Coast
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