Backscattering of Sound from the Ocean Volume Between Vancouver Island and Hawaii

Integrated scattering-strength measurements describing the backscattering of sound from the ocean volume in winter were obtained along a triangular track running west from the southern tip of Vancouver Island, British Columbia, thence south to Hawaii and then roughly northeast on a return leg to Van...

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Bibliographic Details
Main Authors: Scrimger,J. A., Turner,R. G.
Other Authors: DEFENCE RESEARCH ESTABLISHMENT PACIFIC VICTORIA (BRITISH COLUMBIA)
Format: Text
Language:English
Published: 1972
Subjects:
Physical and Dynamic Oceanography
Acoustics
*Underwater sound
*Backscattering
*Pacific Ocean
Power spectra
Spatial distribution
Canada
North Pacific Ocean
Arctic
Pacific
British Columbia
Online Access:http://www.dtic.mil/docs/citations/AD0771269
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0771269
Description
Summary:Integrated scattering-strength measurements describing the backscattering of sound from the ocean volume in winter were obtained along a triangular track running west from the southern tip of Vancouver Island, British Columbia, thence south to Hawaii and then roughly northeast on a return leg to Vancouver Island. The data were analyzed to yield spectral characteristics of the backscattering from various depth ranges at all station locations. The integrated scattering strength is seen to decrease and the daytime deep scattering layer to become shallower as one proceeds north from Hawaii. Differences between daytime and nighttime scattering and distinctive spectral characteristics associated with sub-tropic and sub-arctic water masses are illustrated. (Modified author abstract)

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