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Offshore dredger sounds: source levels, sound maps, and risk assessment
de Jong, C.A.F.; Ainslie, M.A.; Heinis, F.; Janmaat, J. (2016). Offshore dredger sounds: source levels, sound maps, and risk assessment, in: Popper, A.N. et al. (Ed.) The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875: pp. 189-196. hdl.handle.net/10.1007/978-1-4939-2981-8_22
In: Popper, A.N.; Hawkins, A. (Ed.) (2016). The effects of noise on aquatic life II. Advances in Experimental Medicine and Biology, 875. Springer Science+Business Media, Inc: New York. ISBN 978-1-4939-2980-1. xxx, 1292 pp., more
In: Advances in Experimental Medicine and Biology. Springer: Berlin. ISSN 0065-2598, more
Peer reviewed article  

Available in Authors 

Keywords
    Shipping; Marine
Author keywords
    Marine fauna; Threshold shift

Authors  Top 
  • de Jong, C.A.F.
  • Ainslie, M.A.
  • Heinis, F., more
  • Janmaat, J.

Abstract
    The underwater sound produced during construction of the Port of Rotterdam harbor extension (Maasvlakte 2) was measured, with emphasis on the contribution of the trailing suction hopper dredgers during their various activities: dredging, transport, and discharge of sediment. Measured source levels of the dredgers, estimated source levels of other shipping, and time-dependent position data from a vessel-tracking system were used as input for a propagation model to generate dynamic sound maps. Various scenarios were studied to assess the risk of possible effects of the sound from dredging activities on marine fauna, specifically on porpoises, seals, and fish.

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