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dc.contributor.authorLusted-Kosolwski, Claire
dc.contributor.authorPiercy, Julius J. B.
dc.contributor.authorHill, Adam J.
dc.date.accessioned2016-11-14T16:38:26Z
dc.date.available2016-11-14T16:38:26Z
dc.date.issued2016-07-10
dc.identifier.citationLusted-Kosolwski, K. et al (2016) 'Defining true propagation patterns of underwater noise produced by stationary vessels', Proceedings of Meetings in Acoustics, 4th International Conference on the Effects of Noise on Aquatic Life, Dublin, Ireland, July 2016.en
dc.identifier.issn1939-800X
dc.identifier.urihttp://hdl.handle.net/10545/620837
dc.description.abstractThe study of underwater vessel noise over the past sixty years has predominantly focused upon the increase in ambient noise caused by the propulsion mechanisms of large commercial vessels. Studies have identified that the continuous rise of ambient noise levels in open waters is linked to the increase in size and strength of anthropogenic sound sources. Few studies have investigated the noise contribution of smaller vessels or ambient noise levels present in coastal and in-shore waters. This study aimed to identify the level of noise common to non-commercial harbors by studying the noise emissions of a diesel generator on board a 70m long sailing vessel. Propagation patterns revealed an unconventional shape (specific to the precise location of the noise source on board the vessel), unlike those of standard geometric spreading models, as typically assumed when predicting vessel noise emission. Harbor attributes (including water depth, ground sediment and structural material components) caused for altered level and frequency characteristics of the recorded underwater noise, and were correlated to the sound measurements made. The measurements (taken in eight harbors around Northern Europe) were statistically analyzed to identify the primary factors influencing near-field sound propagation around a stationary vessel.
dc.language.isoenen
dc.publisherAcoustical Society of Americaen
dc.relation.urlhttps://www.eiseverywhere.com/eselect/an2016en
dc.relation.urlhttp://scitation.aip.org/content/asa/journal/pomaen
dc.subjectAcousticsen
dc.subjectUnderwater acousticsen
dc.subjectNoiseen
dc.subjectMarine biologyen
dc.titleDefining true propagation patterns of underwater noise produced by stationary vesselsen
dc.typeMeetings and Proceedingsen
dc.contributor.departmentUniversity of Derbyen
dc.contributor.departmentDepartment for Environment, Food and Rural Affairsen
dc.identifier.journalProceedings of Meetings in Acousticsen
refterms.dateFOA2019-02-28T14:54:03Z
html.description.abstractThe study of underwater vessel noise over the past sixty years has predominantly focused upon the increase in ambient noise caused by the propulsion mechanisms of large commercial vessels. Studies have identified that the continuous rise of ambient noise levels in open waters is linked to the increase in size and strength of anthropogenic sound sources. Few studies have investigated the noise contribution of smaller vessels or ambient noise levels present in coastal and in-shore waters. This study aimed to identify the level of noise common to non-commercial harbors by studying the noise emissions of a diesel generator on board a 70m long sailing vessel. Propagation patterns revealed an unconventional shape (specific to the precise location of the noise source on board the vessel), unlike those of standard geometric spreading models, as typically assumed when predicting vessel noise emission. Harbor attributes (including water depth, ground sediment and structural material components) caused for altered level and frequency characteristics of the recorded underwater noise, and were correlated to the sound measurements made. The measurements (taken in eight harbors around Northern Europe) were statistically analyzed to identify the primary factors influencing near-field sound propagation around a stationary vessel.


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