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Plate 9.6. An example of a noise footprint model output (see Section 9.4 for details). The image shows the propagation of sound underwater while the contours indicate possible extent of harbour porpoise Phocoena phocoena behavioural disturbance for a 3,500 kJ hammer strike energy at East Anglia THREE. White indicates a depth of < 0 m for tidal height modelled (HAT).
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm Appendix 9.1 Underwater Noise Modelling 44