Bottom-Interacting Ocean Acoustics

Geoacoustic Properties of Marine Sediments.- Attenuation of Sound in Marine Sediments.- Directivity and Radiation Impedance of a Transducer Embedded in a Lossy Medium.- Elastic Properties Related to Depth of Burial, Strontium Content and Age, and Diagenetic Stage in Pelagic Carbonate Sediments.- Application of Geophysical Methods and Equipment to Explore the Sea Bottom.- The Acoustic Response of Some Gas-Charged Sediments in the Northern Adriatic Sea.- Simultaneous Application of Reflection Strength Recorder, Sidescan Sonar and Sub-Bottom Profiler in Sea-Floor Sediment Mapping.- Results and Methods Used to Determine the Acoustic Properties of the Southeast Asian Margins.- Circular Structures Observed in the Deep Sea by the Swathmap Long-Range Sidescan Sonar.- Bottom Loss: Reflection and Refraction.- A Perspective on Bottom Reflectivity and Backscattering.- Some Bottom-Reflection Loss Anomalies Near Grazing and their Effect on Propagation in Shallow Water.- Determination of Sediment Sound Speed Profiles Using Caustic Range Information.- Inference of Geo-Acoustic Parameters from Bottom-Loss Data.- Attenuation Estimates from High Resolution Sub-Bottom Profiler Echoes.- Low Frequency Bottom Reflectivity Measurements in the Tufts Abyssal Plain.- Resonances in Acoustic Bottom Reflection and their Relation to the Ocean Bottom Properties.- Comparison of Synthetic and Experimental Bottom Interactive Waveforms.- Reflection and Refraction of Parametrically Generated Sound at a Water-Sediment Interface.- Transmission of a Narrow Beam of Sound across the Boundary between two Fluids.- Bottom-Interface and Seismic-Wave Propagation.- Experimental Determination of Properties of the Scholte Wave in the Bottom of the North Sea.- Model Computations for Low-Velocity Surface Waves on MarineSediments.- Experimental and Theoretical Studies of Seismic Interface Waves in Coastal Waters.- Ambient and Ship-Induced Low-Frequency Noise in Shallow Water.- Dispersion of One-Second Rayleigh Modes through Oceanic Sediments Following Shallow Earthquakes in the South-Central Pacific Ocean Basin.- Velocity Spectral Estimates from the Arrays of the ROSE Program.- Acoustic Modelling.- Bottom Interaction Represented by Impedance Conditions in Normal-Mode Calculations.- Cycle Distance in Guided Propagation.- Computations of Averaged Sound-Propagation Losses and Frequency/Space Coherence Functions in Shallow Waters.- Initial Data for the Parabolic Equation.- The Seamount as a Diffracting Body.- Propagation of Sound from a Fluid Wedge into a Fast Fluid Bottom.- Range-Dependent Bottom-Limited Propagation Modelling with the Parabolic Equation.- Sound Propagation: Techniques and Experiment vs Theory.- A Low-Frequency Parametric Research Tool for Ocean Acoustics.- Transmission Loss Variability in Shallow Water.- Influence of Semiconsolidated Sediments on Sound Propagation in a Coastal Region.- Geoacoustic Models of the Seabed to Support Range-Dependent Propagation Studies on the Scotian Shelf.- Propagation Loss Modelling on the Scotian Shelf: the Geo-Acoustic Model.- Propagation Loss Modelling on the Scotian Shelf: Comparison of Model Predictions with Measurements.- Sea Floor Effects on Shallow-Water Acoustic Propagation.- Broadband Model/Data Comparisons for Acoustic Propagation in Coastal Waters.- Computer Model Predictions of Ocean Basin Reverberation for Large Underwater Explosions.- Fluctuations, Coherence and Signal Processing.- Fluctuation Statistics of Sea-Bed Acoustic Backscatter.- Measurements of Spatial Coherence of Bottom-Interacting Sound in the Tagus Abyssal Plain.-Effects of Medium Fluctuations on Underwater Acoustic Transmissions in a Shallow Water Area.- Analysis of Time-Varying Spatially-Varying Sound-Propagation Systems.- Phase-Coherence in a Shallow Water Waveguide.- The Influence of Unknown Bottom Parameters on Bearing Estimation in Shallow Water.- List of contributors.- Author Index.