Coastal Management Strategies

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Groynes

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- Prevents longshore drift, trapping sand moving northeast. - Helps build and protect the beach, attracting more tourists. - Lasts approximately 20 years. - Not sustainable due to high replacement costs and disruption of natural processes.

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Gabions

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- Protects recreation ground and extends the promenade. - Reduces wave energy and erosion. - Not sustainable due to high maintenance costs and environmental concerns.

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Sea Wall

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- Doubles as a promenade, extending from Slieve Donard Hotel to River Shimna. - 1.5m higher than the old sea wall, protecting the town. - Not sustainable due to high costs and increased erosion from reflected waves.

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Overall Evaluation on Sustainability

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Newcastle's Coastal Management Strategy is considered unsustainable due to high costs and ongoing issues. Beach nourishment is suggested as a positive future measure.