Acoustic Sensing Techniques for the Shallow Water Environment

On the assessment of geoacoustic parameters in shallow water environments.- Bayesian inversion of seabed reflection data.- Backpropagation techniques in ocean acoustic inversion: time reversal, retrogation and adjoint model – A review.- Acoustic inversion at low kHz frequencies using an active, vertical line array.- Dispersion of broadband acoustic normal modes in the context of long range sediment tomography.- Characterization of local seabed properties using synthesized horizontal array data.- Characterization of a range-dependent environment from towed array data.- Accounting for bias in horizontal wavenumber estimates due to source motion.- Acoustic clutter from buried submarine mud volcanoes.- Nonlinear acoustical methods in the detection of gassy sediments.- Acoustic scattering from submerged and buried objects.- High-frequency bistatic scattering experiments using proud and buried targets.- A sediment probe for the rapid assessment of seabed characteristics.- Continuous acoustic monitoring of physiological and environmental processes in seagrass prairies with focus on photosynthesis.- Shallow water tomography in a highly variable scenario.- Inversions of reflection loss measurements of a smooth water/sand interface.- Estimation of transmission loss and its uncertainty.- A forward model for geoacoustic inversion based on ray tracing and plane-wave reflection coefficients.- Inversion of the propeller harmonics from a light aircraft for the geoacoustic properties of marine sediments.- Inversion of shallow water ambient noise data by means of differential evolution as a global search method.- Reflection loss and sub-bottom profiling with ambient noise.- Inversion of geoacoustic model parameters using ship radiated noise.- Matched-field processing of humpback whalesong off eastern Australia.- Inversions of horizontal and vertical line array data for the estimation of geoacoustic model parameters.- Issues of environmental variability in inverse problems in ocean.