Issue 11, 2007

Application of magnetoelastic sensors for quantifying sediment deposition rates and sizes

Abstract

This paper describes the application of magnetoelastic sensors for quantifying the size and deposition rate of sediment samples in costal areas, lakes, and rivers. The magnetoelastic sensor, which is made of inexpensive amorphous ferromagnetic alloy, measures parameters of interest by tracking the changes in its resonant frequency and/or amplitude. Since an increase in mass loading on the sensor surface changes its resonant frequency and amplitude, the deposition rate of sediment particles can be determined in real time by tracking these two quantities. Based on a theoretical model, the size distribution of the sediment particles was also estimated from the deposition rate.

Graphical abstract: Application of magnetoelastic sensors for quantifying sediment deposition rates and sizes

Article information

Article type
Paper
Submitted
29 Jun 2007
Accepted
21 Aug 2007
First published
30 Aug 2007

J. Environ. Monit., 2007,9, 1276-1281

Application of magnetoelastic sensors for quantifying sediment deposition rates and sizes

E. Lim Tan, R. Shao, C. A. Grimes and K. Ghee Ong, J. Environ. Monit., 2007, 9, 1276 DOI: 10.1039/B709907J

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