[HTML][HTML] Underwater noise characterization of a typical fishing vessel from Atlantic Canada

KM Helal, J Fragasso, L Moro - Ocean Engineering, 2024 - Elsevier
Fishing is a significant economic sector in Atlantic Canada. Increased fishing vessel density
raises ocean ambient noise, adversely affecting the marine ecosystem. This study aimed to …

[HTML][HTML] Underwater radiated noise from small craft in shallow water: Effects of speed and running attitude

TA Smith, AG La Rosa, B Wood - Ocean Engineering, 2024 - Elsevier
Underwater radiated noise from marine vessels is a growing problem, with a large body of
evidence now showing the detrimental impact this is having on marine life. Whilst most of the …

[HTML][HTML] Modelling the acoustic radiation of propeller tip vortex cavitation in potential flow simulations

JP Tomy, R Gosda, S Berger, HB Bingham… - Ocean …, 2024 - Elsevier
Propeller cavitation and its effect on underwater radiated noise (URN) are topics of
increasing interest within the marine hydrodynamics community. Numerical prediction of the …

[HTML][HTML] Exploring the efficiency of a source-level model to predict hydrophone-based received noise levels of the St. Lawrence Estuary's merchant fleet

D Lagrois, CCA Martins, JF Sénécal, S Turgeon… - Ocean …, 2024 - Elsevier
Abstract The Enhancing Cetacean Habitat and Observation (ECHO) source-level model was
statistically derived using nearly 10,000 vessel transits along Canada's western coast …

Cross-validation strategy for performance evaluation of machine learning algorithms in underwater acoustic target recognition

Y Xu, X Kong, Z Cai - Ocean Engineering, 2024 - Elsevier
The performance evaluation of learning algorithms is essential in underwater acoustic target
recognition. Underwater acoustic data typically show temporal structures. However, these …

Fully electric ship propulsion reduces airborne noise but not underwater noise

C Andersson, AT Johansson, A Genell, J Winroth - Ocean Engineering, 2024 - Elsevier
Electrification of ships offers zero-emission travel and is spreading rapidly, but the relation
between electric ship propulsion and noise pollution is not generally understood. Here …

Opportunistic ship source level measurements in the Western Canadian Arctic

N Shajahan, WD Halliday, J Dawson… - The Journal of the …, 2024 - pubs.aip.org
Increased ship traffic due to climate change increases underwater noise in the Arctic.
Therefore, accurate measurements of underwater radiated noise are necessary to map …

Inference of source signatures of merchant ships in shallow ocean environments

DP Knobles, TB Neilsen, WS Hodgkiss… - The Journal of the …, 2024 - pubs.aip.org
An ocean acoustics experiment in 2017 near a shipping lane on the New England
continental shelf in about 75 m of water provided an opportunity to evaluate a methodology …

A directional spectrum evolution model for ship noise

MG Brown - The Journal of the Acoustical Society of America, 2023 - pubs.aip.org
A radiation transport equation that describes the spatiotemporal evolution of the directional
spectrum of underwater acoustic noise is presented and applied to ship noise. A ray-based …

[PDF][PDF] Underwater Sound Propagation From a Source Close to a Wavy Free Surface

Y He, TA Smith - International Conference on Underwater …, 2024 - discovery.ucl.ac.uk
Understanding how underwater noise propagates from a source close to a free surface has
a number of important applications, including for propagation loss calculations for acoustic …