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Modelling of ships as a source of underwater noise
FOI, Sweden.
FOI, Sweden.
Chalmers University of Technology, Sweden; FOI, Sweden.ORCID iD: 0000-0002-3829-0918
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2018 (English)In: Ocean Science, ISSN 1812-0784, E-ISSN 1812-0792, Vol. 14, no 6, p. 1373-1383Article in journal (Refereed) Published
Abstract [en]

In this paper, a methodology is presented for modelling underwater noise emissions from ships based on realistic vessel activity in the Baltic Sea region. This paper combines the Wittekind noise source model with the Ship Traffic Emission Assessment Model (STEAM) in order to produce regular updates for underwater noise from ships. This approach allows the construction of noise source maps, but requires parameters which are not commonly available from commercial ship technical databases. For this reason, alternative methods were necessary to fill in the required information. Most of the parameters needed contain information that is available during the STEAM model runs, but features describing propeller cavitation are not easily recovered for the world fleet. Baltic Sea ship activity data were used to generate noise source maps for commercial shipping. Container ships were recognized as the most significant source of underwater noise, and the significant potential for an increase in their contribution to future noise emissions was identified. 

Place, publisher, year, edition, pages
Copernicus GmbH , 2018. Vol. 14, no 6, p. 1373-1383
Keywords [en]
cavitation; commercial activity; noise pollution; ship technology; traffic emission; underwater noise; vessel, Atlantic Ocean; Baltic Sea
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:ri:diva-72600DOI: 10.5194/os-14-1373-2018Scopus ID: 2-s2.0-85056247024OAI: oai:DiVA.org:ri-72600DiVA, id: diva2:1851676
Available from: 2024-04-15 Created: 2024-04-15 Last updated: 2024-04-16Bibliographically approved

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Liefvendahl, Mattias

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