Creado por Dylan Hardy
hace más de 2 años
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Pregunta | Respuesta |
What is freeze thaw weathering | When water seeps into the cracks and it expands and the cracks get bigger |
What is oxidation | the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-coloured weathered surface. |
What do destructive waves have | weak swash and strong backwash |
What do constructive waves have ? | They have a strong swash and weak backwash |
Describe how a stump is formed ? | Firstly part off the headland is eroded and then freeze thaw weathering erodes the top to make the Arch clapse |
What is longshore drift | the movement of material along a coast by waves which approach at an angle to the shore but recede directly away from it. |
What are 3 examples off mass movement | Rockfall,landslide,slumping |
How does a sand dune form? | Wind would blow sand and it would get caught on a object and it would build up |
What are the advantages off soft engineering methods | There are cheaper and look natural |
What are advantages off hard engineering | They last longer and are stronger than soft |
What are the disadvantages off soft engineering | They need to be replaced frequently and take a lot off time |
What is a disadvantage off hard engineering | They look unnatural and therefore there will be less tourists |
What is salitation | Small rocks or pebbles which are too big to be carried within the water are transported and bounce along the bottom of the river |
What is oxidation | the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-coloured weathered surface. |
How is a spit formed | Spits are formed where the prevailing wind blows at an angle to the coastline, resulting in longshore drift |
How does deposition occur | When the sea loses some energy it drops objects |
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