Abstract
Many studies of the problem of shoaling in tidal waterways have been performed. These studies have included data relative to the suspended sediment in the waterways, but occasionally the results were of little value because they were not representative and were not obtained with an awareness of their subsequent use. There is described herein a series of studies made in the Charleston (S. C.) harbor for the purpose of determining (1) the accuracy of sediment-sampling procedures and (2) the value of performing only a few—rather than many—operations. It is concluded that the considerable variation in the suspended-sediment concentration that exists in tidal waterways makes it impractical, if not impossible, to measure accurately the quantity of sediment discharge. However, estimates or approximations from direct measurements have their value because they can be used to locate and establish the significance of the source of the shoaling and therefore to determine the feasibility of remedial measures.
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