groynes - hard engineering - Advantages and disadvantages table in GCSE Geography


	groynes - hard engineering
	Advantages prevents longshore drift as sand builds up on one side of the groyne keeps beach in place for tourist industry effective for many years	Disadvantages unnatractive - difficult to walk along the beach disrupts natural processes such as long shore drift expensive
	Evaluation made of wood and stretches from the coastline to the sea. costs £5000 each

made of wood and stretches from the coastline to the sea. costs £5000 each

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