CHARACTERISTICS OF SHINGLE BEACHES THE SOLUTION TO SOME PRACTICAL PROBLEMS

A.M. Muir Wood

Abstract


Shingle beaches differ from sand beaches mainly in the mode of transport of the material and in the permeability of the beach. The typical beach forms are in consequence different and the typical problems of beach stabilisation require different types of solution* The mechanism of littoral drift of shingle is controlled predominantly by the action of the breaking wave, on a groyned beach a simple theory is advanced to relate drift to groyne length and spacing. Longitudinal sorting of shingle sizes is a specially notable sign of a stable beach* Well marked size-sorting transverse to the coastline is a more general characteristic. Examples of schemes of management are provided for a beach with high littoral drift and a beach which has to te controlled as artificial cells The accreting shingle beach may in suitable circumstances develop a steep in-shore profile - examples are given of such.

Keywords


shingle beach; beach characteristics

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