THE DYNAMIC RESPONSE OF SHINGLE BEACHES TO RANDOM WAVES

K.A. Powell

Abstract


An extensive laboratory investigation into the behaviour of shingle beaches has been undertaken using a large random wave flume. The study utilised a lightweight material scaled to reproduce the correct permeability of the beach, and the correct threshold and relative magnitude of the onshore/offshore movement. Results are presented describing both the wave reflection characteristics of the beach and the probabilistic distribution of wave run-up crests on the foreshore. Where possible the laboratory results are validated against field data.

Keywords


random waves; dynamic response; shingle beaches

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