Underwater acoustics article 6 Acoustic noise 5 Acoustic wave propagation 5 Threedimensional (3-d) 5 Autonomous underwater vehicles 3 Sonar 3 Surface waters 3 Underwater acoustic communication 3 noise 3 Acoustic fields 2 Animals 2 Audition 2 Comprehensive Nuclear-Test-Ban Treaty 2 Cost effectiveness 2 Ecosystems 2 Fish 2 Nonlinear internal wave 2 Parabolic Equations 2 Passive acoustic monitoring 2 Signal to noise ratio 2 Sound pressure level 2 Sound propagation 2 Three dimensional computer graphics 2 Uncertainty analysis 2 Underwater sound 2 sound 2 velocity 2 AUV 1 Acoustic Scattering 1