Fundamentals of Acoustical Oceanography

Fundamentals of Acoustical Oceanography

1st Edition - October 16, 1997

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  • Authors: Herman Medwin, Clarence Clay
  • eBook ISBN: 9780080532165

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Description

The developments in the field of ocean acoustics over recent years make this book an important reference for specialists in acoustics, oceanography, marine biology, and related fields. Fundamentals of Acoustical Oceanography also encourages a new generation of scientists, engineers, and entrepreneurs to apply the modern methods of acoustical physics to probe the unknown sea. The book is an authoritative, modern text with examples and exercises. It contains techniques to solve the direct problems, solutions of inverse problems, and an extensive bibliography from the earliest use of sound in the sea to present references.Written by internationally recognized scientists, the book provides background to measure ocean parameters and processes, find life and objects in the sea, communicate underwater, and survey the boundaries of the sea. Fundamentals of Acoustical Oceanography explains principles of underwater sound propagation, and describes how both actively probing sonars and passively listening hydrophones can reveal what the eye cannot see over vast ranges of the turbid ocean. This book demonstrates how to use acoustical remote sensing, variations in sound transmission, in situ acoustical measurements, and computer and laboratory models to identify the physical and biological parameters and processes in the sea.

Key Features


@bul:* Offers an integrated, modern approach to passive and active underwater acoustics
* Contains many examples of laboratory scale models of ocean-acoustic environments, as well as descriptions of experiments at sea
* Covers remote sensing of marine life and the seafloor
* Includes signal processing of ocean sounds, physical and biological noises at sea, and inversions
* resents sound sources, receivers, and calibration
* Explains high intensities; explosive waves, parametric sources, cavitation, shock waves, and streaming
* Covers microbubbles from breaking waves, rainfall, dispersion, and attenuation
* Describes sound propagation along ray paths and caustics
* Presents sound transmissions and normal mode methods in ocean waveguides

Readership

Senior undergraduates and graduate students taking classes in acoustical oceanography. Professionals involved in underwater acoustics, ocean acoustics, oceanography, and meteorology.

Table of Contents

  • The Realm of Acoustical Oceanography, Theory and Applications of Ocean Acoustics. Sound Propagation. Transmissions Along Raypaths. Sources and Receivers. High Intensities. Processing of Ocean Sounds. Sound Scattered by a Body.Bubbles. Biomass Echoes, Reverberation, and Scattering Models. Sonar Systems: Measurements and Inversions. Waveguides: Plane Layers and Wedges. Scattering at Elements of a Rough Surface. Scattering and Transmission at Statistically Rough Surfaces. Mappingthe Seafloor. Subject Index.

Product details

  • No. of pages: 712
  • Language: English
  • Copyright: © Academic Press 1997
  • Published: October 16, 1997
  • Imprint: Academic Press
  • eBook ISBN: 9780080532165

About the Authors

Herman Medwin

Both authors are applied physicists with international reputations. In their research and teaching, they have both defined the newfield of acoustical oceanography. In 1977 a text they co-wrote, Acoustical Oceanography, was published. Herman Medwin is the former president of the Acoustical Society of America (1992–1993) and a past chair of the ASA Technical Council (1987–1988). A former chairman of the Technical Committee on Underwater Acoustics of the ASA (1975–1977), which dealt principally with naval acoustics, Medwin founded the nonmilitary Technical Committee on Acoustical Oceanography of the ASA and became its first chair (1989–1991). Medwin received his M.S. in Applied Physics from UCLA in 1948, and his Ph.D. in Physics from UCLA in 1954. He has published approximately 100 professional journal articles, and has been granted five U.S. patents with one pending.

Affiliations and Expertise

Naval Postgraduate School, Monterey, California

Clarence Clay

Clarence S. Clay's scholarship in wave propagation, oceanography, and bioacoustics was recognized with a Silver Medal in Acoustical Oceanography (1993). Clay received graduate degrees in physics at Kansas State University (M.S., 1948) and the University of Wisconsin (Ph.D., 1951), where his research was in atomic spectroscopy. His publications include Ocean Acoustics and Elementary Exploration Seismology.

Affiliations and Expertise

University of Wisconsin at Madison

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