Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 2, issue 2
Articles | Volume 2, issue 2
https://doi.org/10.5194/esurf-2-531-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/esurf-2-531-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 2, issue 2
Research article
 | 
23 Dec 2014
Research article |  | 23 Dec 2014

An overview of underwater sound generated by interparticle collisions and its application to the measurements of coarse sediment bedload transport

P. D. Thorne

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Short summary
The paper deals with the measurement of coarse gravel transport in rivers and coastal environments. Quantifying this bedload is generally challenging. The approach adopted here is to use the acoustic sediment-generated noise, SGN, radiated from the interparticle collisions of the mobile bed material. A theoretical model of the radiated sound due to the collisions is presented, and the results are related to the application of SGN to the measurement of bedload transport and mobile particle size.
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Acoustic and seismic monitoring of bedload and mass...