The rumble sound generated by a tidal bore event in the Baie du Mont Saint Michel

Chanson, Hubert (2009) The rumble sound generated by a tidal bore event in the Baie du Mont Saint Michel. Journal of Acoustical Society of America, 125 6: 3561-3568.

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Author Chanson, Hubert
Title The rumble sound generated by a tidal bore event in the Baie du Mont Saint Michel
Journal name Journal of Acoustical Society of America  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2009-06
Sub-type Article
Year available 2009
DOI 10.1121/1.3124781
Volume number 125
Issue number 6
ISSN 0001-4966
Start page 3561
End page 3568
Total pages 8
Editor Allan D Pierce
Place of publication Melville, NY, USA
Publisher Acoustical Society America American Institute of Physics
Collection year 2010
Language eng
Subject 090509 Water Resources Engineering
091103 Ocean Engineering
091508 Turbulent Flows
091599 Interdisciplinary Engineering not elsewhere classified
099902 Engineering Instrumentation
970109 Expanding Knowledge in Engineering
C1
Abstract A tidal bore is a sharp rise in free-surface elevation propagating upstream in an estuarine system at the leading edge of the flood tide. It generates a powerful noise that was sometimes compared to the sounds of a horse cavalcade. Herein the sounds generated by a tidal bore event in the Baie du Mont Saint Michel were carefully recorded. The data showed three distinct periods. These were the incoming tidal bore when the sound amplitude increased with the approaching bore front, the passage of the tidal bore in front of the microphone where the impacts of the bore on the bank, rocks or jetty generated powerful noises, and the upstream propagation of the bore when the flood flow motion caused additional loud noises. During the arrival of the tidal bore, the sound levels were less energetic and a lower pitch sound was noted than during the subsequent record. For the breaking bore process, the analysis of the sound record indicated a dominant frequency around 76-77 Hz. The low pitch rumble had a frequency comparable the collective bubble oscillations, suggesting that air entrapment in the bore roller might play a major role in the acoustic signature.
Keyword Tidal bores
Noise
Sounds
Rumble
Roller
Microphone
Baie du Mont Saint Michel
Mascaret
Sée River
Acoustic noise
Ocean waves
Tides
Turbulence
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes The full bibliographic details are: CHANSON, H. (2009). "The Rumble Sound Generated by a Tidal Bore Event in the Baie du Mont Saint Michel." Journal of Acoustical Society of America, Vol. 125, No. 6, pp. 3561-3568 (DOI: 10.1121/1.3124781) (ISSN 00014966). The journal article is complemented by a digital appendix (Filename: MascaretSee01.wav). The file is the sound tracks of the audio recording of the tidal bore of the Sée River and of the ensuing whelps on 15 October 2008 at the Pointe du Grouin du Sud, Vains (France). The Digital Appendix is a .WAV audio file. The copyrights of the audio recording are the sole property of Hubert CHANSON. Any use of the audio file available in the digital appendix must acknowledge and cite the present publication: CHANSON, H. (2009). "The Rumble Sound Generated by a Tidal Bore Event in the Baie du Mont Saint Michel." Journal of Acoustical Society of America, Vol. 125, No. 6, pp. 3561-3568 (DOI: 10.1121/1.3124781) (ISSN 00014966).

Document type: Journal Article
Sub-type: Article
Collections: 2010 Higher Education Research Data Collection
School of Civil Engineering Publications
 
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Created: Thu, 11 Jun 2009, 08:20:39 EST by Hubert Chanson on behalf of School of Civil Engineering