How To Hear Halfway Around The World

From MinuteEarth.

Thanks to CTBTO for sponsoring this video: https://www.ctbto.org

Sounds in the ocean can travel more than 10,000 miles – that’s halfway around the world! Here’s how.

LEARN MORE
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To learn more about this topic, start your googling with these keywords:
Refraction: the bending of a sound wave based on changes in the wave’s speed

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CREDITS
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This video was produced by:
Kate Yoshida | Script Writer, Narrator and Director
Arcadi Garcia Rius | Illustration, Video Editing and Animation
Nathaniel Schroeder | Music

MinuteEarth is produced by Neptune Studios LLC
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Sarah Berman • Arcadi Garcia Rius
David Goldenberg • Julián Gustavo Gómez
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Peter Reich • Ever Salazar • Kate Yoshida

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REFERENCES
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Heaney, K.D., Kuperman, W.A., and McDonald, B. E. (1960). Perth-Bermuda sound propagation: Adiabatic mode interpretation. Journal of the Acoustical Society of America, 90, 2586–2594, 1991. https://asa.scitation.org/doi/10.1121/1.402062

Munk, W.H, Spindel, R.C., Baggeroer, A., Birdsall, T. G. (1994). The Heard Island Feasibility Test, Journal of the Acoustical Society of America, 96, 2330–2342. https://asa.scitation.org/doi/10.1121/1.410105

Payne, R. S., and Webb, D. (1971). Orientation by means of long range acoustic signaling in baleen whales. Annals of the New York Academy of Sciences 188:110–141. https://www.thecre.com/sefReports/wp-content/uploads/2012/12/Payne-R.-Webb-D.-1971.-Orientation.pdf

Shockley, R. C., Northrop, J., Hansen, P. G. Hartdegen, C. (1982) SOFAR propagation paths from Australia to Bermuda: Comparision of signal speed algorithms and experiments, Journal of the Acoustical Society of America, 71, 51–60. https://asa.scitation.org/doi/10.1121/1.387250