Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 550207
Title The sound of the sand from the Dutch shores
Author(s) Ruth, Saskia M. van; Hettinga, Frans; Dekker, Pieter; Fitzpatrick, Dara
Source Applied Acoustics 154 (2019). - ISSN 0003-682X - p. 1 - 10.
DOI https://doi.org/10.1016/j.apacoust.2019.04.026
Department(s) Food Quality and Design
BU Authenticity & Bioassays
Publication type Refereed Article in a scientific journal
Publication year 2019
Keyword(s) Acoustics - Beach - Broad Acoustic Resonance Dissolution Spectroscopy - Netherlands - Provenance - Resonance - Sound spectroscopy
Abstract

In this study, we examine sand from the Dutch shores to link its unique acoustic traits to the source of the sand. Sand from nine locations along the beaches of the Netherlands, over a stretch of 187 km, were collected and subjected to Broad Acoustic Resonance Dissolution Spectroscopy analysis (BARDS). Sand sampling positions with respect to the distance to the high water line were compared as well. Temporal acoustic profiles, resulting from gas released from the sand particles in an acidic solution over time, were used to compare the sands from the various locations and positions along the shore. These BARDS patterns were compared with those of model sand samples composed of CaCO 3 , CaCO 3 /quartz mixtures, and ground sea shell/quartz mixtures to understand the phenomena. BARDS analysis allowed accurate measurements of the unique acoustic traits of the sands, which appeared good indicators of the source of the sand. The results show that both the composition and morphology of the sand determine the acoustic profiles. The proportion of seashells in the sand plays an important role in the acoustic signatures of the sands of the Dutch shores. The carbonate components of the shells and the shells’ morphology result in dissolution of the carbonates under acidic conditions and subsequent release of CO 2 in specific patterns. These specific patterns allow us to establish the source of the sand – with help of multivariate statistical methods. Evidently, the current study shows that ‘listening’ to the sound of sand reveals interesting information about its identity and origin.

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