9.7 Summary – Underwater Noise 38.
Pile driving of foundations is expected to be the prevalent source of underwater noise during the construction phase of the East Anglia THREE site. Underwater noise modelling has been completed for a number of locations within and around the windfarm boundary and the likely effects have been assessed on the basis of risk of physical injury (hearing damage) and behavioural disturbance. This modelling is presented in detail Appendix 9.1 and the resulting impacts on fish and marine mammals are presented in Chapter 11 Fish and Shellfish Ecology and Chapter 12 Marine Mammal Ecology, respectively.
9.8 Scope – EMF 39.
9.8.1 Study Area 40.
This section considers the possible effects of electromagnetic fields on benthic invertebrates and fish during the operation of the proposed East Anglia THREE project. Cumulative impacts are also considered.
The study area comprises the East Anglia THREE site and offshore cable corridor.
9.8.2 Worst Case 41.
The worst case is defined by the maximum footprint of potential change, i.e. the maximum extent of cabling for the proposed project, and the maximum potential cable ratings. This is detailed in Table 9.1.
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
Chapter 9 Underwater Noise Page 12
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