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    Long distance passive localization of vocalizing sei whales using an acoustic normal mode approach

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    JAS001814.pdf (2.223Mb)
    Date
    2012-02
    Author
    Newhall, Arthur E.  Concept link
    Lin, Ying-Tsong  Concept link
    Lynch, James F.  Concept link
    Baumgartner, Mark F.  Concept link
    Gawarkiewicz, Glen G.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/5063
    As published
    https://doi.org/10.1121/1.3666015
    DOI
    10.1121/1.3666015
    Keyword
     Acoustic signal processing; Bioacoustics; Oceanography; Underwater sound 
    Abstract
    During a 2 day period in mid-September 2006, more than 200, unconfirmed but identifiable, sei whale (Balaenoptera borealis) calls were collected as incidental data during a multidisciplinary oceanography and acoustics experiment on the shelf off New Jersey. Using a combined vertical and horizontal acoustic receiving array, sei whale movements were tracked over long distances (up to tens of kilometers) using a normal mode back propagation technique. This approach uses low-frequency, broadband passive sei whale call receptions from a single-station, two-dimensional hydrophone array to perform long distance localization and tracking by exploiting the dispersive nature of propagating normal modes in a shallow water environment. The back propagation approach is examined for accuracy and application to tracking the sei whale vocalizations identified in the vertical and horizontal array signals. This passive whale tracking, combined with the intensive oceanography measurements performed during the experiment, was also used to examine sei whale movements in relation to oceanographic features observed in this region.
    Description
    Author Posting. © Acoustical Society of America, 2012. 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 131 (2012): 1814-1825, doi:10.1121/1.3666015.
    Collections
    • Physical Oceanography (PO)
    • Applied Ocean Physics and Engineering (AOP&E)
    • Biology
    Suggested Citation
    Journal of the Acoustical Society of America 131 (2012): 1814-1825
     

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