Acoustic wave propagation 2 Threedimensional (3-d) 2 Underwater acoustics 2 Underwater sound Acoustic fields 1 Approximate simulation 1 Atlantic islands 1 Comprehensive Nuclear-Test-Ban Treaty 1 Dynamical process 1 Earthquakes 1 Forecasting 1 Future research directions 1 Hydrophones 1 Mid Atlantic Ridge 1 Nonlinear internal wave 1 Parabolic Equations 1 Regional ocean modeling 1 Salinity variations 1 Sound propagation 1 Tides 1 Underwater sound modeling 1 acoustics 1 article 1 feeding 1 prediction 1 sea 1 simulation 1 sound 1