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E-book
Author Colosi, John A., author

Title Sound propagation through the stochastic ocean / John A. Colosi
Published New York : Cambridge University Press, 2016
New York, New York : Cambridge University Press, 2016
©2016
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Description 1 online resource (444 pages)
Series Knovel Library
Contents Cover; Half-title; Title page; Copyright information; Dedication; Table of contents; Foreword; Preface; Notation; PART I Introduction and Prerequisites; 1 Sound Propagation through the Stochastic Ocean; 1.1 Introduction and Historical Background; 1.1.1 Ocean Dynamics and Fluctuations; 1.1.2 Theory of Sound Propagation; 1.2 Three Decades of Development: Observations; 1.2.1 Deep Water; 1.2.2 Emergence of Shallow-Water Acoustics; 1.2.3 Ocean Sound-Speed Spectrum; 1.3 Three Decades of Development: Theory; 1.3.1 Ray Theory; 1.3.2 Weak Fluctuation Theory; 1.3.3 Path Integral Theory
1.3.4 Coupled-Mode Transport Theory1.4 Where We Stand; 1.5 Utilizing This Book; 2 Acoustical Prerequisites; 2.1 Introduction; 2.2 Fundamental Equations of Hydrodynamics; 2.2.1 Parabolic Wave Equation; 2.3 Character of the Oceanic Acoustic Waveguide; 2.3.1 Canonical Sound-Speed Profiles; 2.3.2 Sound-Speed Fluctuations due to Internal Waves; 2.3.3 Example Profiles; 2.3.4 Attenuation of Sound; 2.4 Rays; 2.4.1 Physical Picture and Basic Equations; 2.4.2 Ray Theory: Asymptotic Analysis; 2.4.3 Ray Amplitude and Stability; 2.4.4 Ray Chaos: Introduction; 2.4.5 Ehrenfest Theorem
2.4.6 Rays in a Range-Independent Ocean2.5 Fresnel Zones and Ray Tubes; 2.6 Born and Rytov Approximations; 2.6.1 Relation to Amplitude and Phase; 2.6.2 Relationship between Born and Rytov Solutions; 2.7 Path Integrals; 2.7.1 Variational Approach to Ray Propagation; 2.7.2 Path Integrals: A Qualitative Discussion; 2.7.3 Formulation of the Path Integral; 2.7.4 Solution of the Parabolic Equation as a Path Integral; 2.8 Normal Modes; 2.8.1 Coupled Mode Equations; 2.8.2 Adiabatic Theory; 2.8.3 Vertical Modes, Horizontal Rays; 2.8.4 Modes in a Range-independent Ocean
3.4.5 Equator3.5 Other Sources of Stochastic Sound-Speed Structure; 3.5.1 Spice; 3.5.2 Vortical Motions; Appendix A An Internal-Wave Model with an Exponential Correlation Function; Appendix B Monte Carlo Simulation; 4 Introduction to Acoustic Fluctuations; 4.1 Origin of Phase and Amplitude Fluctuations; 4.1.1 Weak Fluctuations; 4.1.2 Strong Fluctuations: Wave Front Folding and Interference; 4.1.3 Ray Micro-multipath; 4.1.4 A Simple Model of Microray Interference; 4.1.5 Modal-multipath: Mode Coupling ; 4.2 Acoustic Sensitivity to Internal Waves
4.2.1 Ray/Internal Wave Resonance and Diffraction
Appendix A Green's Functions and the Fresnel ZoneAppendix B WKB Modes; 3 Stochastic Ocean Internal Waves; 3.1 Introduction; 3.2 Fundamental Equations of Hydrodynamics; 3.2.1 Ray Theory: Local Plane Waves; 3.2.2 Modal Solutions; 3.2.3 WKB Analysis; 3.3 Garrett-Munk Internal-Wave Model; 3.3.1 Other Useful Forms of the GM Spectrum; 3.3.2 Maximum Internal-Wave Mode Number; 3.3.3 Internal-Wave Correlation Scales; 3.3.4 Modifications to GM; 3.4 Observations; 3.4.1 Deep Ocean: Mid-Latitude; 3.4.2 Seamounts, Slopes, and Canyons; 3.4.3 Continental Shelves; 3.4.4 Arctic and High Latitude
Summary Key discoveries in the field of statistical ocean acoustics over the last 35 years are addressed with illustrations from ocean observations
Notes Description based upon print version of record
Bibliography Includes bibliographical references and index
Notes Mode of access: World Wide Web
English
Description based on print version record
Subject Oceanography.
Sound -- Transmission.
Underwater acoustics.
Form Electronic book
Author Worcester, Peter F
ISBN 1139680412
1316685381
1316685659
1316686469
1523105763
9781523105762