A NEW MODEL FOR PEBBLE BEACH TRACER DISPERSAL

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A. T. WILLIAMS. A NEW MODEL FOR PEBBLE BEACH TRACER DISPERSAL[J]. Acta Oceanologica Sinica, 1987, (2): 229-234.

Citation:

A. T. WILLIAMS. A NEW MODEL FOR PEBBLE BEACH TRACER DISPERSAL[J]. Acta Oceanologica Sinica, 1987, (2): 229-234.

A. T. WILLIAMS. A NEW MODEL FOR PEBBLE BEACH TRACER DISPERSAL[J]. Acta Oceanologica Sinica, 1987, (2): 229-234.

Citation:

A. T. WILLIAMS. A NEW MODEL FOR PEBBLE BEACH TRACER DISPERSAL[J]. Acta Oceanologica Sinica, 1987, (2): 229-234.

Coastal Research Unit, Department of Science, The Polytechnic of Wales, PONTYPRIDD, Mid Glamorgan, CF37 1DL, UK

Abstract

A series of eight tracer experiments were carried out over one year (1983) on a low energy, macro-tidal beach in South Wales, UK. Tracer movement was monitored and 30 pebbles adjacent to coloured tracer pebbles were measured. Measurements were of the A, B, and C axes, roundness, Maximum Projection Sphericity and Oblate-Prolate indices. Analysis shows that through time, the percentage rejection of these properties increased. It is theorised that the surface tracers are ‘misfits’ or ‘rejects’ which have not found their equilibrium position in the pebble facies.