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    An automated real-time vessel sound measurement system for calculating monopole source levels using a modified version of ANSI/ASA S12.64-2009.

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    Date
    2016
    Author
    Hannay, David E.
    Li, Zizheng
    Mouy, Xavier
    
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    Abstract
    Underwater noise from vessels permeates many of the world’s oceans. While vessel sound emissions are at levels typically below those that would be acutely injurious to marine fauna, this noise can interfere with normal use of sounds, such as for prey and predator detection, socialization and mate attraction. Exposures to vessel noise over extended times, especially in key habitat areas, is likely to lead to chronic adverse effects including reduced feeding efficiency and difficulty finding mates. Assessments of the effects of shipping noise on marine fauna often use acoustic propagation models to predict the levels of sound exposure. These models require accurate vessel sound emission source levels. American National Standards Institute (ANSI) standard S12.64-2009 (reaffirmed in 2014) describes procedures for measuring underwater sound from ships. The standard deals with radiated noise level (RNL) source levels that assume 20 Log(r) transmission loss (TL) between the v.....
    Resource URL
    https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3002
    Journal
    Canadian Acoustics
    Volume
    44
    Issue
    3
    Page Range
    2pp.
    Document Language
    en
    Sustainable Development Goals (SDG)
    14.a
    Essential Ocean Variables (EOV)
    Ocean sound
    Maturity Level
    Mature
    Citation
    Hannay, D.E., Li, Z. and Mouy. X. (2016) An automated real-time vessel sound measurement system for calculating monopole source levels using a modified version of ANSI/ASA S12.64-2009. Canadian Acoustics, 44(3), 2pp. DOI: http://dx.doi.org/10.25607/OBP-1883
    URI
    https://repository.oceanbestpractices.org/handle/11329/2138
    http://dx.doi.org/10.25607/OBP-1883
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