Intrinsic directional information of ground roll waves
Hazelwood, R.A.; Macey, P.C. (2016). Intrinsic directional information of ground roll waves, in: Popper, A.N. et al. The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 447-453. http://dx.doi.org/10.1007/978-1-4939-2981-8_53
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598; e-ISSN 2214-8019, more
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| Keyword |
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| Author keywords |
Piling noise; Evanescent; Directionality |
| Authors | | Top |
- Hazelwood, R.A.
- Macey, P.C.
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| Abstract |
Ground roll waves traveling across the seabed provide extra information, their direction of rotation, compared with plane waves in fluids or solids. Idealized Rayleigh waves are “retrograde” in that their horizontal particle motion opposes the direction of travel of the wave when the interface is raised. A single point measurement near the seabed can determine this rotation. In water, there are associated evanescent pressure waves that are largely confined to the bottom, likely to affect fish and other creatures near the seabed during pile driving. The directional information may prove key to the lifestyle of such creatures. |
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