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Summary
A siltation problem at Gordon's Bay harbour is presented and the methods used to collect field data for a proposed model analysis are described. Characteristics of bed form and littoral materials within and around the harbour are dealt with, followed by an analysis of the possible modes of sediment transport; namely wave action, transient and steady-state currents and wind action. The results of direct bed drift measurements, as yet incomplete, are correlated with all other data in a tentative ‘sediment balance’.