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The effects of boat waves on sheltered waterways – thirty years of continuous study

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Cox, GL ORCID: 0000-0002-3006-9688 and MacFarlane, G ORCID: 0000-0002-0518-430X 2019 , 'The effects of boat waves on sheltered waterways – thirty years of continuous study', in G Macfarlane and G Colleter (eds.), Proceedings of Australasian Coasts & Ports Conference 2019 , Engineers Australia, Hobart, Australia, pp. 1-7 .

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Abstract

The waves generated by boats and ships (termed wave wake, wake wash or simply wash) that operate withinsheltered waterways or close to any shore, have received considerable attention over the past few decades.Although many various issues arise from the waves from vessel operations, such as damage to maritimestructures and presenting a danger to other users of the waterways, it is erosion of surrounding shorelines thatoccurs most frequently and receives the most attention. Along with the interested parties, including those invessel construction and operation through to regulation and monitoring, comes the inevitable and oftenoverwhelming politics; the clash of public amenity, economics and environment.The Australian Maritime College (AMC) first became involved in the field thirty years ago, with the assessmentand monitoring of tourist vessels on the World Heritage listed Gordon River in Tasmania – a project thatcontinues to this day. The AMC’s expertise expanded into high-speed commuter ferries, of which Australiawas an early pioneer, and eventually to recreational craft. A summary of past and present research ispresented, which includes: deep water wave packet development and propagation; shallow water wakecomponents and their relationship to deep water wakes; the distribution and intensity of erosive componentswithin vessel wakes and the opportunities for, and limitations on, their mitigation through vessel design andoperation.

Item Type: Conference Publication
Authors/Creators:Cox, GL and MacFarlane, G
Keywords: wave wake, wash, depth Froude number, ferry operations, experiments
Journal or Publication Title: Proceedings of Australasian Coasts & Ports Conference 2019
Publisher: Engineers Australia
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