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2009, Kongsberg Marine Limited, Skerries Tidal Site, Operational Underwater Noise, SeaGen Unit,

2009, Kongsberg Marine Limited, Skerries Tidal Site, Operational Underwater Noise, SeaGen Unit,

Topic categories:

Noise

Last series update:

May 2021

MEDIN approved

Industry:

Tidal

Collection date:

Nov 2009 - Nov 2009

Development:

Skerries

Publication date:

May 2021

Organisation:

Kongsberg Marine Limited

Phase:

Post-construction

Description

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 report describes field measurement methods, data processing and presentation, of underwater sound attributed to the operation of the SeaGen electrical power generator.