Natural Physical Sources of Underwater Sound

Ambient Noise.- Ocean Acoustic Propagation and Ambient Noise in a Surface Duct.- Low Frequency Ambient Noise — Generalised Spectra.- Dependence of Sea Surface Noise in Narrow Beams on Windspeed and Vertical Angle.- The Measurement of Underwater Noise Characteristics in Shallow Water.- The Investigation of Underwater Noise Sources by Emission Acoustic Tomography.- Is Sea Surface Ambient Noise Correlated to Wind Turbulence?.- Ambient Sound as a Probe of Ocean Surface Processes.- A Review of Environmental Measurements Taken During Ambient Noise Experiments.- The Properties of the Vertical and Horizontal Power Flows of the Underwater Ambient Noise.- The Perceived Source Directivity of Surface-Generated Ambient Noise.- Low Frequency Noise Measurements in an Ambient Environment Dominated by Natural Sources of Sound.- The Effect of Monomolecular Films on Low Sea State Ambient Noise.- VLF/Seismo-Acoustics.- Depth Dependence and Some Anomalous Effects of Noise from Surface Wave Interaction.- Deep-Water Sea-Floor Array Observations of Seismo-Acoustic Noise in the Eastern Pacific and Comparisons with Wind and Swell.- Obseivations of the Near-Field Double Frequency Pressure Spectrum in the Upper Ocean Using the Cartesian Diver Profiling Instrument.- An Analysis of the ULF Acoustic Noise Field in the Ocean.- Observations and Causes of Ocean and Seafloor Noise at Ultra-Low and Very-Low Frequencies.- Very Low Frequency Sound Studied Using Multi-Element Seafloor Arrays.- Air-Water Turbulence.- Generation of a Low Frequency Acoustical Noise in the Layered Ocean by the Surface Sources.- The Theory of Low-Frequency Noise Generated by Turbulence Near The Atmosphere-Ocean Interface.- Bursting Phenomena in the Turbulent Boundary Layer Beneath the Laboratory Wind-Wave Surface.- Bubbles —LF Source and Scattering.- Low Frequency Noise from Breaking Waves.- The Influence of a Subsurface Bubble Layer on Wind Ambient Noise Generation.- Near Surface Sound Mechanisms.- Modelling Low-Frequency Bubble Plume Scattering.- Near Sea Surface Bubble Cloud Oscillation as Potential Sources of Ambient Noise.- Backscatter from Near-Surface Bubble Clouds.- Nonlinear Sound Scattering From Subsurface Bubble Layers.- Collective Oscillations in a Bubble Column.- Bubbles — HF Source and Scattering.- The Lifetimes, Velocities and Probable Origin of Sonic and Ultrasonic Noise Sources on the Sea Surface.- Bubble Pulsations Excited by Nonlinear Interactions of Surface Modes.- The Production of High-Frequency Ambient Noise by Capillary Waves.- Bubble Noise Mechanisms — A Review.- Bubble Sizing by the Nonlinear Scattering of Two Acoustic Frequencies.- Bubbles — Breaking Waves.- Fractal Geometry and Sound Generation of a Wind-Swept Sea.- Bubbles, Noise and Breaking Waves: A Review of Laboratory Experiments.- Occurrence and Evolution of Acoustically Relevant Sub-Surface Bubble Plumes and Their Associated, Remotely Monitorable, Surface Whitecaps.- Bubble Plumes and Turbulence.- ICE.- The Learning Behaviour of Sea Ice.- Source Mechanisms for Arctic Ocean Ambient Noise.- Vertical Directivity Measurements of Ice Cracking.- Spatial Variation in Ambient Sound Level Within Ice Edge Eddies.- Aspects of the Mechanics and Modelling of Thermally-Induced Stresses in Arctic Pack Ice as Related to Under-Ice Ambient Noise.- Sea Ice Constitutive Behaviour and Under-Ice Noise.- Wave Induced Noise Generation in the Marginal Ice Zone.- Predictions and Measurements of the Directivity of a Monopole Source in a Floating Ice Plate.- Acoustic Radiation Beneath the Arctic Ice Cover.- Rain.- Impact andBubble Radiation from Obliquely Incident Raindrops.- An Explanation of the Sound Generated by Light Rain in the Presence of Wind.- Drop Impact and the Underwater Noise of Rain.- Sources of Underwater Rain Noise.- Other Mechanisms.- Noise in the Ocean Caused by Lightning Strokes.- On Cosmic Radiation Possible Contribution in Dead Calm High Frequency Ocean Noise Formation.- Seabed Saltation Noise.