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Article Dans Une Revue Journal of the Acoustical Society of America Année : 2016

Whistle source levels of free-ranging beluga whales in Saguenay-St. Lawrence marine park

Résumé

Wild beluga whistle source levels (SLs) are estimated from 52 three-dimensional (3D) localized calls using a 4-hydrophone array. The probability distribution functions of the root-mean-square (rms) SL in the time domain, and the peak, the strongest 3-dB, and 10-dB SLs from the spectrogram, were non-Gaussian. The average rms SL was 143.8 +- 6.7 dB re 1microPa at 1m. SL spectral metrics were, respectively, 145.8 +- 8 dB, 143.2 +-7.1 dB, and 138.5 +-6.9 dB re 1 microPa. 1microPa / Hz at 1m.
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Dates et versions

hal-01355426 , version 1 (23-08-2016)

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Olivier Le Bot, Yvan Simard, Nathalie Roy, Jerome I. Mars, Cedric Gervaise. Whistle source levels of free-ranging beluga whales in Saguenay-St. Lawrence marine park. Journal of the Acoustical Society of America, 2016, J. Acoust. Soc. Am., 140, pp.EL89-EL93. ⟨10.1121/1.4955115]⟩. ⟨hal-01355426⟩
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