Low-Frequency Sound Attenuation in Open Water.
Technical publication, Jun 69-Jun 70,
NAVAL UNDERSEA RESEARCH AND DEVELOPMENT CENTER SAN DIEGO CA
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A relaxation process, based on organic particulate matter plankton in open water, is described and theoretically derived. It is similar to a theoretically derived and experimentally verified process in aerosols and relates relaxation time to shear Stokes force. The derived formulas are applied to demonstrate probable significant differences among low-frequency sound-attenuation values in various water masses. Author