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Journal of the Acoustical Society of America

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Nov 2003

Volume 114, Issue 5, pp. 2507-2968

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U.S. Navy sources and receivers for studying acoustic propagation and climate change in the ocean (L)

John L. Spiesberger

J. Acoust. Soc. Am. Volume 114, Issue 5, pp. 2557-2560 (2003); (4 pages) | Cited 1 time

Online Publication Date: 29 Oct 2003

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Sounds from a U.S. Navy SSQ-110A source are received at high signal-to-noise ratios at ocean-basin scales at two Sound Surveillance Systems in the Pacific. The sounds have sufficient pulse resolution to study climatic variations of temperature. The acoustic data can be understood using ray and parabolic approximations to the wave equation. Modeled internal waves decrease pulse resolution from 0.01 to 0.1 s, consistent with observations. © 2003 Acoustical Society of America.
Show PACS
43.30.Qd Global scale acoustics; ocean basin thermometry, transbasin acoustics
43.30.Re Signal coherence or fluctuation due to sound propagation/scattering in the ocean
43.30.Pc Ocean parameter estimation by acoustical methods; remote sensing; imaging, inversion, acoustic tomography
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