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Construction costs for coastal defence in England and Wales (average total cost in US$/km) (Evans et al., 2004a)

Earth embankment

97o,ooo

Culverts

3.5 million

Protected embankment

4.7 million

Sea wall

4.7 million

Dunes (excl. replenishment)

93,ooo

Groynes, breakwater (shingle beach)

9 million

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