Coastal Landscapes And Change

Question 1

What are 2 Hard engineering methods?

Answer 1

Sea walls and groynes.

Question 2

What is managed retreat?

Answer 2

Letting the sea reclaim land in a controlled and planned manner allowing natural coats process to continue e.g medmerry uk.

Question 3

What is coastal recession?

Answer 3

Coastal recession is the process of the retardant of the coast line due to things like wave action weathering and human activities that lead to the loss of landscapes overtime

Question 4

How are headlands and bays formed?

Answer 4

Through different erosional methods headlands are formed as the sea erodes softer rock leading to the headland made for hard rock to stick out forming headlands and bays.

Question 5

How are cliffs and wave-cut platforms made?

Answer 5

Cliffs are formed through wave action eroding the cliff base causing it to eventually crumble and leaving behind a wave cut platform.

Question 6

How are sea caves, arches and stacks formed?

Answer 6

Sea caves are formed when waves force water into cracks in the rock slowly breaking them down through hydrualic action as the cave forms it leave behind an arch which eventually collapses leaving a stump.

Question 7

Describe the formation of spits?

Answer 7

Spits are formed when longshore drift transports sediment along the coast depositing it in a sheltered area such as a bay overtime it extends along and into the sea.

Question 8

How are bars formed?

Answer 8

Bars are formed when a spit extends across a bay closing it off from the sea they can trap water behind them forming lagoons/ salt marsh.

Question 9

How are bars formed?

Answer 9

Bars are formed when a spit extends across a bay closing it off water can be trapped behind them forming lagoons/ salt marshes.