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When the noise goes on: received sound energy predicts sperm whale responses to both intermittent and continuous navy sonar
(2020-04-08)
Anthropogenic noise sources range from intermittent to continuous, with seismic and navy sonar technology moving towards near-continuous transmissions. Continuous active sonar (CAS) may be used at a lower amplitude than ...
The 3S3 experiment data report - using operational naval sonars to study the effects of continuous active sonar, and source proximity, on sperm whales
(2021-03-18)
The 3S project is an international collaborative effort with the aim to investigate behavioral
reactions of cetaceans to naval sonar signals. The objectives of the third phase of the project
(3S3) were to investigate if ...
Northern bottlenose whales in a pristine environment respond strongly to close and distant navy sonar signals
(2019-03-20)
Impact assessments for sonar operations typically use received sound levels to predict behavioural disturbance in marine mammals. However, there are indications that cetaceans may learn to associate exposures from distant ...