Cetaceans: Radiated Noise IMO Work.

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Presentation transcript:

Cetaceans: Radiated Noise IMO Work

Radiated Noise Near field vs far field Noise sources: flow noise IMO Correspondence Group Near field vs far field Noise sources: flow noise machinery cavitation biggest component ~ 100 Hz

Radiated Noise Voluntary measures ship operation ship construction

Radiated Noise Propeller design & husbandry low cavitation designs Efficiency measures Propeller design & husbandry low cavitation designs alternative propulsion – twin screw, azipod hull & propeller cleaning

Radiated Noise Future? Voluntary measures – mandatory elements More efficient ships = quieter ships More information on impact of background noise on cetacean behaviour Assess different ship types for impact Location of shipping routes

Thank you Discussion?