Underwater noise from airplanes: An overlooked source of ocean noise

Last modified: 
December 13, 2019 - 2:19pm
Type: Journal Article
Year of publication: 2018
Date published: 12/2018
Authors: Christine Erbe, Rob Williams, Miles Parsons, Sylvia Parsons, Gede Hendrawan, Made Dewantama
Journal title: Marine Pollution Bulletin
Volume: 137
Pages: 656 - 661
ISSN: 0025326X

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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Approximate cost to purchase or rent this item from the publisher: US $39.95
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