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    Underwater noise from airplanes: An overlooked source of ocean noise

    Access Status
    Fulltext not available
    Authors
    Erbe, Christine
    Williams, R.
    Parsons, Miles
    Parsons, S.
    Hendrawan, I.
    Dewantama, I.
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Erbe, C. and Williams, R. and Parsons, M. and Parsons, S. and Hendrawan, I. and Dewantama, I. 2018. Underwater noise from airplanes: An overlooked source of ocean noise. Marine Pollution Bulletin. 137: pp. 656-661.
    Source Title
    Marine Pollution Bulletin
    DOI
    10.1016/j.marpolbul.2018.10.064
    ISSN
    0025-326X
    School
    Centre for Marine Science and Technology
    URI
    http://hdl.handle.net/20.500.11937/72730
    Collection
    • Curtin Research Publications
    Abstract

    The effects of underwater noise pollution on marine life are of increasing concern. Research and management have focussed on the strongest underwater sound sources. Aerial sound sources have understandably been ignored as sound transmits poorly across the air-water interface. However, there might be situations when air-borne noise cannot be dismissed. Commercial passenger airplanes were recorded in a coastal underwater soundscape exhibiting broadband received levels of 84–132 dB re 1 µPa rms. Power spectral density levels of airplane noise underwater exceeded ambient levels between 12 Hz and 2 or 10 kHz (depending on site) by up to 36 dB. Underwater noise from airplanes is expected to be audible to a variety of marine fauna, including seals, manatees, and dolphins. With many of the world's airports lying close to the coast, it is cautioned that airplane noise not be ignored, in particular in the case of at-risk species in small, confined habitats.

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