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2010, National Physical Laboratory, Sheringham Shoal Offshore Wind Farm, Underwater Noise Monitoring During Marine Piling

2010, National Physical Laboratory, Sheringham Shoal Offshore Wind Farm, Underwater Noise Monitoring During Marine Piling

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Noise

Description

The work described here was undertaken to monitor the radiated underwater acoustic
noise from marine pile-driving by the installation of foundations during the construction
phase of the Round 2 offshore wind farm at Sheringham Shoal. The measurement and
analysis work included in this preliminary report were conducted during June 2010 by
the National Physical Laboratory (NPL) and its partners, Loughborough University
(LU) and Gardline Environmental Limited (GEL). The objective of the work was to
monitor the noise radiated during the marine piling phase of construction in accordance
with the conditions of the license issued (FEPA 9.35) to Statoil/Scira UK to allow an
assessment to be made of the likely impact of the acoustic noise on marine life in the
area. To do this, a total of 4 pile installations were be measured.
This report describes the results of the noise assessment for the pile-driving during the
installation of foundations I4, H6, E1 and G6, which were the 1st, 2nd, 3rd and 8th
foundation pieces installed, respectively. Where appropriate, the results are compared
with the predictions made during previous work for the Environmental Statement
undertaken by Scira in 2006. Comparisons are also drawn with the measured results
from other researchers, including those obtained from wind farm developments in the
UK, the Netherlands and Germany. The results are further presented in the context of
their impact on marine mammals and fish.

Report

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2010, National Physical Laboratory, Underwater Noise Monitoring During Marine Piling for the Sheringham Shoal Offshore Wind Farm, Report