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Adv Exp Med Biol. 2016;875:755-62. doi: 10.1007/978-1-4939-2981-8_92.

Noise Mitigation During Pile Driving Efficiently Reduces Disturbance of Marine Mammals.

Author information

1
BioConsult SH GmbH & Co.KG, Brinckmannstrasse 31, 25813, Husum, Germany. g.nehls@bioconsult-sh.de.
2
BioConsult SH GmbH & Co.KG, Brinckmannstrasse 31, 25813, Husum, Germany. a.rose@bioconsult-sh.de.
3
BioConsult SH GmbH & Co.KG, Brinckmannstrasse 31, 25813, Husum, Germany. a.diederichs@bioconsult-sh.de.
4
Institute of Technical and Applied Physics GmbH (itap), 26129, Oldenburg, Germany. bellmann@itap.de.
5
BioConsult SH GmbH & Co.KG, Brinckmannstrasse 31, 25813, Husum, Germany. h.pehlke@bioconsult-sh.de.

Abstract

Acoustic monitoring of harbor porpoises (Phocoena phocoena L., 1758) indicated a strongly reduced disturbance by noise emitted by pile driving for offshore wind turbine foundations insulated by a big bubble curtain (BBC). This newly developed noise mitigation system was tested during construction of the offshore wind farm Borkum West II (North Sea). Because porpoise activity strongly corresponded to the sound level, operation of the new system under its most suitable configuration reduced the porpoise disturbance area by ~90%. Hence, for the first time, a positive effect of a noise mitigation system during offshore pile driving on an affected marine mammal species could be demonstrated.

KEYWORDS:

Big bubble curtain; Harbor porpoise Phocoena phocoena; Noise pollution; Offshore wind farm; Sound exposure level

PMID:
26611029
DOI:
10.1007/978-1-4939-2981-8_92
[Indexed for MEDLINE]

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