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Erschienen in:
2017 | OriginalPaper | Buchkapitel
2. Sediment Classification
verfasst von : Nicholas P. Chotiros
Erschienen in: Acoustics of the Seabed as a Poroelastic Medium
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Abstract
Sediment classification is based on grain size. The Wentworth 1922 scale is one of the more popular ones, and it is the one adopted here. Rather than having one characteristic grain size, natural sediment tends to have a distribution of grain sizes. A truly comprehensive map of all the possible mixtures of grain sizes would be too cumbersome. Consequently, the geophysical classification of sediments remains an imprecise science. Similarly, the prediction of acoustic properties from a sediment class, or the inversion for sediment class from acoustic properties, is equally inexact. Nevertheless, the mean grain size remains a very useful metric.