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2010, Kongsberg Maritime Ltd., SeaGen, Strangford Lough, Operational Underwater Noise - SeaGen Unit

2010, Kongsberg Maritime Ltd., SeaGen, Strangford Lough, Operational Underwater Noise - SeaGen Unit

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Noise

Description

This document has been prepared by Kongsberg Maritime Ltd
for Marine Current Turbines Ltd, of Bristol, England. The report
describes field measurement methods, data processing and
presentation, of underwater sound attributed to the operation of
the SeaGen electrical power generator.
Sound recordings in the vicinity of the unit were made over a
period of 2 days, at various states of tide, with the unit running
and idle.
The sound recordings were made using a high fidelity digital
system, and all data stored for post processing. The recorded
data includes time and position stamping.
The sound data has been post processed to provide intensity vs
range plots, with Power Spectral Densities and weighted
measurements by M, and dBht factors appropriate to the local
mammalian fauna.
The measured sets are presented as colour graduated charts of
the SeaGen location.

Report

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Technical Report - Measurement