Can increase erosion further down the coast Reduces longshore drift by stopping longshore Encouraging the build-up of drift and starving areas the beach and effectively further down the coast of reducing erosion. sediment. Wooden or in some A larger beach also If beaches down the cases rock fences encourages tourism as more coast become smaller which reduce people will come to visit. This there will be fewer longshore drift and will benefit local shops and tourists. This leads to make the beach hotels. This leads to higher higher unemployment larger which protects employment and businesses and businesses will have the coastline. will have money to invest in less money to invest in the local area. This is known the local area. This is as the positive multiplier known as the negative effect. multiplier effect. Cost: approx each Soft Doesn’t protect the cliff Drains cliffs of water Cheap. from wave action. and reduces Is underground so doesn’t rotational cliff spoil aesthetic view. Looks ugly when cliff slumping. erodes.
Wooden or in some cases rock fences which reduce longshore drift and make the beach larger which protects the coastline. Reduces longshore drift Encouraging the build-up of the beach and effectively reducing erosion. A larger beach also encourages tourism as more people will come to visit. This will benefit local shops and hotels. This leads to higher employment and businesses will have money to invest in the local area. This is known as the positive multiplier effect. Can increase erosion further down the coast by stopping longshore drift and starving areas further down the coast of sediment. If beaches down the coast become smaller there will be fewer tourists. This leads to higher unemployment and businesses will have less money to invest in the local area. This is known as the negative multiplier effect. Cost: approx each Soft Drains cliffs of water and reduces rotational cliff slumping. Cheap. Is underground so doesn’t spoil aesthetic view. Doesn’t protect the cliff from wave action. Looks ugly when cliff erodes.
Coasts%20Revision%20Session%20Handout%20DGr.docx