TY - RPRT
TI - Wozep WP2: update of the Aquarius models for marine pile driving sound predictions
AU - de Jong, C
AU - Binnerts, B
AU - Prior, M
AU - Colin, M
AU - Ainslie, M
AU - Mulder, I
AU - Hartstra, I
AB - As part of the research programme Wozep (‘Wind op zee ecologisch programma’), which investigates the ecological effects of offshore wind energy development in The Netherlands, TNO has been asked by Rijkswaterstaat (RWS) to:-Investigate whether or not there is a need to incorporate the frequencyspectrum of the piling sound (pile driving at sea is needed during theconstruction of offshore wind farms) in relation to the frequency sensitivehearing in the assessment of the impact of these sounds on porpoises andseals.-Update the acoustic models (collectively known as Aquarius) that are beingapplied in studies of environmental impact assessment for marine piledriving projects.The first point was addressed in a memorandum [de Jong & von Benda-Beckmann, 2018]. Though no firm conclusions could be drawn yet, it is likely that some form of frequency weighting will be incorporated in future impact assessment. The current report describes the update of the acoustic models (Aquarius). The goal of this update is to reduce the uncertainty in the calculated distances at which the piling sound in the North Sea could affect the hearing (TTS/PTS) of porpoises and seals or induce significant behavioural disturbance. The update concerns an attempt to improve various aspects in the modelling to reduce the uncertainties that have been observed in the Aquarius validation study [Binnerts et al, 2016].
CY - The Netherlands
DA - 2019/01//
PY - 2019
SP - 94
PB - TNO (Netherlands Organisation for Applied Scientific Research) Wind Energy
SN - TNO 2018 R11671
UR - https://www.noordzeeloket.nl/publish/pages/160801/update_aquarius_models_pile_driving_sound_predeictions_tno_2019.pdf
LA - English
KW - Wind Energy
KW - Fixed Offshore Wind
KW - Noise
KW - Marine Mammals
KW - Cetaceans
KW - Pinnipeds
ER -