SOFAR Channel Axial Sound Speed and Depth in the Atlantic Ocean.

Axial sound speed and depths of the SOFAR channels in the North and South Atlantic have been estimated and the seasonal variations that affect SOFAR propagation examined. The estimates are derived from applying averaging techniques to archived oceanographic data. The computed values appear to agree...

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Bibliographic Details
Main Authors: Northrop,John, Colborn,J. G.
Other Authors: NAVAL UNDERSEA CENTER SAN DIEGO CALIF
Format: Text
Language:English
Published: 1974
Subjects:
Physical and Dynamic Oceanography
Acoustic Detection and Detectors
Acoustics
*Underwater sound
*South Atlantic Ocean
*North Atlantic Ocean
Sound transmission
Variations
Acoustic velocity
Depth
Sofar
Most Project-2
North Atlantic
South Atlantic Ocean
Online Access:http://www.dtic.mil/docs/citations/AD0778030
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0778030
Description
Summary:Axial sound speed and depths of the SOFAR channels in the North and South Atlantic have been estimated and the seasonal variations that affect SOFAR propagation examined. The estimates are derived from applying averaging techniques to archived oceanographic data. The computed values appear to agree within one part in a 1000 with the measured data from long-range propagation experiments. A more accurate sound speed mapping method is recommended, as is the incorporation of measured values of speed and depth in any SOFAR computer program. (Author)

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