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    Underwater noise from pile driving in Moreton Bay, Qld

    Access Status
    Fulltext not available
    Authors
    Erbe, Christine
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Erbe, C. 2009. Underwater noise from pile driving in Moreton Bay, Qld. Acoustics Australia. 37 (3): pp. 87-92.
    Source Title
    Acoustics Australia
    Additional URLs
    http://www.acoustics.asn.au/journal/2009/2009_37_3_Erbe.pdf
    ISSN
    0814-6039
    URI
    http://hdl.handle.net/20.500.11937/42610
    Collection
    • Curtin Research Publications
    Abstract

    This article presents measurements of underwater pile driving noise recorded during the construction of the duplicate Houghton Highway bridge in western Moreton Bay, Queensland. Moreton Bay is a protected marine park, a World Heritage Site and a Ramsar Wetland, providing habitat for turtles, dugong, sharks, dolphins and whales, some species of which are listed as vulnerable to endangered. Pile driving noise was measured for small and large piles at various locations and ranges.Using an acoustic propagation model, a sound map was computed for Bramble Bay. Sound levels were compared to currently available information on impact thresholds. Ranges greater than those corresponding to impact thresholds were scanned for the absence of dolphins before and during pile driving in line with a monitoring and response plan.

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