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Regional variations and trends in ambient noise: examples from Australian waters
McCauley, R.D.; Cato, D.H.; Duncan, A.J. (2016). Regional variations and trends in ambient noise: examples from Australian waters, in: Popper, A.N. et al. (Ed.) The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 687-696. hdl.handle.net/10.1007/978-1-4939-2981-8_83
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598, more
Peer reviewed article  

Available in Authors 

Keywords
    Ambient noise; Sound transmission; Marine
Author keywords
    Sea noise; Ocean noise

Authors  Top 
  • McCauley, R.D.
  • Cato, D.H.
  • Duncan, A.J.

Abstract
    Studies of ambient noise south of Australia show higher levels at low frequencies in the deep water off the continental shelf compared with locations on the shelf. The difference arises because of differences in transmission loss. Marine animals would experience significantly different noise levels and directionality in the two regions and while crossing the boundary, provide positional information. Opportunities for long-range, low-frequency communication by animals would be significantly limited by the higher background noise in the open ocean. Measures of long-term sea noise trends highlight the influence of biological sources and the importance of local sound transmission regimens.

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