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    Speed of sound in Euphausia superba

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    JAS001405.pdf (659.4Kb)
    Date
    1990-04
    Author
    Foote, Kenneth G.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/5648
    As published
    https://doi.org/10.1121/1.399436
    DOI
    10.1121/1.399436
    Keyword
     Sound velocity; Time−of−flight method; Crustaceans; Antarctic Ocean; Medium temperature 
    Abstract
    The speed of longitudinal sound waves in Antarctic krill has been measured by the time‐of‐flight method. The result of 17 separate measurement series on different assemblages of living krill is that the animal’s sound speed exceeds that of seawater at the same temperature by 2.79±0.24%. The mean lengths vary from 29.4 to 38.9 mm, with overall mean 32.2 and s.d. 2.5 mm. The corresponding density of krill of mean length 31 mm is 1.0647±0.0069 g/cm3 . Measurement temperatures varied from 5.3 to 12.1°C; corresponding salinities varied from 32.5 to 33.87 ppt, which also represent the ambient state. The ambient sea temperature was 2.0±0.3°C.
    Description
    Author Posting. © Acoustical Society of America, 1990. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 87 (1990): 1405-1408, doi:10.1121/1.399436.
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    • Applied Ocean Physics and Engineering (AOP&E)
    Suggested Citation
    Journal of the Acoustical Society of America 87 (1990): 1405-1408
     

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