Classification of Fishes and Sea Turtles with Respect to Sound Exposure Risk

Popper, Arthur N.; Hawkins, A. D.; Fay, Richard R.; Mann, David A.; Bartol, Soraya; Carlson, Thomas J.; Coombs, Sheryl; Ellison, William T.; Gentry, Roger L.; Halvorsen, Michele B.; Løkkeborg, Svein; Rogers, Peter H.; Southall, Brandon L.; Zeddies, David G.; Tavolga, William N.

doi:10.1007/978-3-319-06659-2_4

Cited by 3 publications

(3 citation statements)

References 17 publications

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“…Anthropogenic underwater sound generated by ships, power generation, oil and gas production, fishing, aquaculture and other industries is a growing concern as it may have negative impacts on fish and other marine organisms (Popper and Hastings, 2009; Boyed et al , 2011; Normandeau Associates Inc., 2012; Hawkins et al , 2015). Airguns used for offshore ocean seismic exploration by the oil and gas industry generate acute, repetitive, intense sounds (Hawkins et al , 2014; Popper et al , 2014). The airgun’s omnidirectional sound impulse has its greatest energy at low frequencies (20–50 Hz; Nieukirk et al , 2004; Laws and Hedgeland, 2008).…”

Section: Introductionmentioning

confidence: 99%

Effects of sound exposure from a seismic airgun on heart rate, acceleration and depth use in free-swimming Atlantic cod and saithe

Davidsen

Dong

Linné

et al. 2019

Conservation Physiology

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Section: Introductionmentioning

confidence: 99%

Effects of sound exposure from a seismic airgun on heart rate, acceleration and depth use in free-swimming Atlantic cod and saithe

Davidsen

Dong

Linné

et al. 2019

Conservation Physiology

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“…There has been increasing concern regarding the environmental effect of seabed vibration caused by impacts generated during offshore construction, such as the installation of marine renewable energy devices and offshore oil and gas platforms. These have been considered by Thomsen et al [1] (MaRVEN report) and Popper et al [2]. An important source of such seabed impact is marine pile driving.…”

Section: Introductionmentioning

confidence: 99%

Modeling Water Motion near Seismic Waves Propagating across a Graded Seabed, as Generated by Man-Made Impacts

Hazelwood¹,

Macey²

2016

JMSE

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Seismic interface waves generated by seabed impacts are believed to have biological importance. Various wave types are of interest to seismologists, who can minimize the unwanted, but often dominant, ground roll waves with suitable instrumentation. Waves made by dredging and piling have been measured using geophones and found to be of this interface type, which propagate much more slowly than the pressure waves in the water column above. Short interface wavelets of a few cycles were modeled using transient finite element analysis (FEA). Wavelets with low losses have been modeled using graded sediment data from the literature. They do not radiate energy away from the interface because the evanescent acoustic pressures they generate decay rapidly with distance from the seabed. Associated water particle velocities are much greater than would be expected from similar acoustic pressure measurements in a free field. This motion is significant to aquatic life which is dependent on inertial sensors (otoliths, etc.) to respond to the environment. Additional amplification of the horizontal seabed motion of the adjacent water is predicted for a short seismic wavelet modeled in a graded solid seabed. Further recent analysis studied the distribution of the energy flux within the sediment layers.

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“…Interface waves propagating across the seabed are relevant to applications such as geophysical surveying, sub-bottom profiling, and seabed feature detection [5], and for studies of the exposure of benthic fauna to seabed vibration caused by marine construction techniques such as pile driving [6][7][8][9]. Many examples of benthic fauna have poor sensitivity to sound pressure waves, but show a high sensitivity to low-frequency particle motion, as described by Popper, Hawkins, and Nedelec et al [10][11][12][13]. The effects of being shaken by water particle velocity (a vector) rather than squeezed by sound pressure (a scalar) are now better understood, but are necessarily more complex.…”

Section: Introductionmentioning

confidence: 99%

Optimal Transmission of Interface Vibration Wavelets—A Simulation of Seabed Seismic Responses

Hazelwood¹,

Macey²,

Robinson

et al. 2018

JMSE

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Seismic interface waves generated by seabed impacts are believed to have biological importance. Previous work on the effects of ocean piling and dredging studied water motion adjacent to the seabed, using sediment measurements as reviewed in the literature. This new modelling work has idealised the sediment data to a simple model with few parameters, and has shown how this leads to filtration of the applied energy to propagate simple seismic vibration wavelets. These special wavelets remain compact with high peak levels of the associated water particle velocity as they ripple outward, and provide a means of assessing the worst-case environmental impact. The form of this wavelet morphs from a hump shape to a dip and back, via intermediate forms which are here described in mathematical terms based on the Ricker form. Whilst the model structure is idealised it is much closer to reality than the Rayleigh and Scholte half-space models, but with only two more parameters required. The resultant wavelet peaks are propagated with values given by the optimal limit case of cylindrical spreading (ignoring absorption) which results in a relatively widespread impact.

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Classification of Fishes and Sea Turtles with Respect to Sound Exposure Risk

Cited by 3 publications

References 17 publications

Effects of sound exposure from a seismic airgun on heart rate, acceleration and depth use in free-swimming Atlantic cod and saithe

Effects of sound exposure from a seismic airgun on heart rate, acceleration and depth use in free-swimming Atlantic cod and saithe

Modeling Water Motion near Seismic Waves Propagating across a Graded Seabed, as Generated by Man-Made Impacts

Optimal Transmission of Interface Vibration Wavelets—A Simulation of Seabed Seismic Responses

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