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    Developing an Underwater Sound Recorder: The Long and Short (Time) of It

    Access Status
    Fulltext not available
    Authors
    McCauley, Robert
    Thomas, F.
    Parsons, Miles
    Erbe, C.
    Cato, D.
    Duncan, Alec
    Gavrilov, Alexander
    Parnum, Iain
    Salgado-Kent, C.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    McCauley, R. and Thomas, F. and Parsons, M. and Erbe, C. and Cato, D. and Duncan, A. and Gavrilov, A. et al. 2017. Developing an Underwater Sound Recorder: The Long and Short (Time) of It. Acoustics Australia. 45 (2): pp. 301-311.
    Source Title
    Acoustics Australia
    DOI
    10.1007/s40857-017-0113-8
    ISSN
    0814-6039
    School
    Centre for Marine Science and Technology
    URI
    http://hdl.handle.net/20.500.11937/59468
    Collection
    • Curtin Research Publications
    Abstract

    Passive acoustic recording of marine noise has advanced considerably over recent years. For a long time, a lack of widely available technology limited the acquisition of long-term acoustic data sets to a small number of large, cabled installations mostly restricted to military use. For other users, recordings were limited by the available technology to short snapshots of minutes to possibly days of data at a time. As technology has improved, passive acoustic monitoring has shown marine soundscapes are filled with biotic and abiotic sounds that occur on a range of often unpredictable timescales. Thus, snapshot recordings can lead to biased data. In 1999, the Centre for Marine Science and Te chnology, together with Australia’s Defence Science and Technology Organisation, began developing remote underwater sound recorders to increase the duration and quality of recordings. As time passed, the sound recorders were developed significantly, have been deployed over 600 times at a variety of Australian and international locations and have identified a plethora of biological, geophysical and anthropogenic sound sources. This paper presents a brief history of the recorders’ development and characteristics, some examples of the information they have provided and future direction for their next generation.

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