The radiated noise from a high-speed water-jet-propelled catamaran was measured for catamaran speeds of 12, 24, and 37 kn. The radiated noise increased with catamaran speed, although the shape of the noise spectrum was similar for all speeds and measuring hydrophone depth. The spectra peaked at ~200 Hz and dropped off continuously at higher frequencies. The radiated noise was 10–20 dB lower than noise from propeller-driven ships at comparable speeds. The combination of low radiated noise and high speed could be a factor in the detection and avoidance of water-jet-propelled ships by baleen whales.
CITATION STYLE
Rudd, A. B., Richlen, M. F., Stimpert, A. K., & Au, W. W. L. (2016). Radiated sound of a high-speed water-jet-propelled transportation vessel. In Advances in Experimental Medicine and Biology (Vol. 875, pp. 951–956). Springer New York LLC. https://doi.org/10.1007/978-1-4939-2981-8_117
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