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The Influence of Random Internal Waves on the Characteristics of a Horizontal Antenna in a Shallow Sea
Abstract —The effect of random internal waves on the gain and pattern of a horizontal antenna array in a shallow sea has been investigated. An...
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The Influence of the A Priori Uncertainty of the Shallow Sea Sound Channel Model on the Vertical Array Gain
The purpose of this paper is to numerically demonstrate and comparatively analyze the critically strong and ambiguous impact of the a priori...
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Phase Invariants of Vector–Scalar Fields Excited in the Shallow Sea by Multipole Sources
Abstract —The concept of a phase invariant (PI), introduced in our previous studies, is used to describe the sound-field phase distribution in an...
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Holographic Method for Mode Selection in a Shallow Sea in the Presence of Intense Internal Waves
AbstractThe results are reported of the numerical experiment on evaluating a holographic method for mode selection in a shallow water area against a...
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Application of a Distributed Acoustic Sensor for Seismic Surveys in Shallow Waters With Fiber-Optic Bottom-Laid Streamer
Abstract—An experiment on seismic survey of the geological structure of the Black Sea seabed using a fiber-optic cable laid on the sea bottom (in...
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Influence of the Direction of Sources on the Phase Invariants of Vector–Scalar Fields in a Shallow Sea
AbstractFor the first time, the properties of the phase invariant of sound to vector–scalar fields formed in a waveguide by directional multipole...
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Fast Numerical Solution to Nonlinear Shallow Water System
This chapter presents an acceleration technique for the fast numerical solution to nonlinear shallow water system with the help of a regular personal...
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A Generalized Approach to Interference Invariant of the Hydroacoustic Field in Deep and Shallow Seas
AbstractA new definition of the hydroacoustic field invariant based on a stable estimate of the invariance of orthogonal projections of the...
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Linear Waves on Shallow Water Slowing Down near the Shore over Uneven Bottom
AbstractThe exact solutions to the system of equations of the linear theory of shallow water that represent travelling waves with some specific...
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Perturbations of Modal Attenuation Coefficients and Group Velocities due to Depth Variations along a Shallow-Water Acoustic Track
AbstractPerturbations of attenuation coefficients and group velocities of acoustic modes is considered in a shallow-water waveguide with an...
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Broadband Acoustic Field in a Shallow-Water Waveguide with an Inhomogeneous Bottom
Abstract —A broadband (35–1000 Hz) sound field formed by a point source in a shelf zone with inhomogeneous bottom sediment structure is studied using...
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Processing of Field Measurement Data from Expedition Research for Mathematical Modeling of Hydrodynamic Processes in the Sea of Azov
AbstractThe paper presents a three-dimensional hydrodynamic mathematical model that takes into account the processes of salt and heat transport in...
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Use of Linear Receiving Arrays for Observing Horizontal Refraction of Low-Frequency Sound in Shallow Water with a Strongly Inhomogeneous Waterlike Bottom
Numerical simulation is applied to study the features of a low-frequency (55 and 137 Hz) acoustic field and its recording by linear horizontal and...
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On Adiabatic Sound Propagation in a Shallow Sea with a Circular Underwater Canyon
AbstractAn idealized problem of sound propagation in a shallow sea with a curved underwater canyon is considered. The canyon is a circular feature of...
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SPATIAL EVOLUTION OF NEAR-BOTTOM COLD-WATER LENSES ON THE SHELF OF THE SEA OF JAPAN
AbstractThe propagation and disintegration of nonlinear internal waves at the hydrophysical test site of the Pacific Oceanological Institute FEB RAS...
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Novel Soliton Molecules, Periodic Wave and other Diverse Wave Solutions to the New (2 + 1)-Dimensional Shallow Water Wave Equation
In this research, we focus on some novel exact solutions of the new (2 + 1)-dimensional shallow water wave equation (SWWE). First, the soliton...
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Sea Monitoring Networks
This chapter aims to describe and analyse different types of sea monitoring networks and their potential and characteristics. The life history of...
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Application of War** Transform for the Analysis of the Acoustic Mode Coupling due to a Local Inhomogeneity in Shallow Water
AbstractThe possibility of observing the mode coupling effect, caused by a local inhomogeneity, is studied for a long-range stationary acoustic track...
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Analytical Properties for a Stochastic Rotating Shallow Water Model Under Location Uncertainty
The rotating shallow water model is a simplification of oceanic and atmospheric general circulation models that are used in many applications such as...
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13 Microbiology of Deep-Sea Hydrothermal Vents: Lessons for Mars Exploration
A large proportion of the Earth (70 %) is covered by seas and oceans. Oceanic waters below one kilometre depth constitute the deep-sea, which...