Analysis of beach nourishment schemes

Report (1996)

Authors

H.J. Verhagen

Affiliation

None

Coastal erosion Coastal management Beach replenishment Artificial beaches

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Published Date

01-01-1996

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Source:

Journal of Coastal Research, JCR (ISSN 0749-0208), vol 12 (1), pp179-185

Abstract

The erosion of a nourished beach may be conveniently described as the sum of the linear coastal retreat and a surcharge which decreases exponentially in time. Application of this model to data from eight nourishment projects in north-western Europe has shown on average only 52% of nourished volume becomes a permanent part of the coastal volume. Allowing for an initial loss of some 10%, the results obtained indicate that in practice computed nourishment volumes should be multiplied with a factor of about 2.2, somewhat higher than in previous recommendations.

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