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Author : Robert J. Urick
Release : 1979
Genre : Sound
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Sound Propagation in the Sea by : Robert J. Urick
Download or read book Sound Propagation in the Sea written by Robert J. Urick. This book was released on 1979. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. Brekhovskikh
Release : 2013-03-14
Genre : Science
Kind : eBook
Book Rating : 423/5 ( reviews)
Book Synopsis Fundamentals of Ocean Acoustics by : L. Brekhovskikh
Download or read book Fundamentals of Ocean Acoustics written by L. Brekhovskikh. This book was released on 2013-03-14. Available in PDF, EPUB and Kindle. Book excerpt: The continents of our planet have already been exploited to a great extent. Therefore man is turning his sight to the vast spaciousness of the ocean whose resources - mineral, biological, energetic, and others - are just beginning to be used. The ocean is being intensively studied. Our notions about the dynam ics of ocean waters and their role in forming the Earth's climate as well as about the structure of the ocean bottom have substantially changed during the last two decades. An outstanding part in this accelerated exploration of the ocean is played by ocean acoustics. Only sound waves can propagate in water over large distances. Practically all kinds of telemetry, communication, location, and re mote sensing of water masses and the ocean bottom use sound waves. Propa gating over thousands of kilometers in the ocean, they bring information on earthquakes, eruptions of volcanoes, and distant storms. Projects using acoustical tomography systems for exploration of the ocean are presently be ing developed. Each of these systems will allow us to determine the three-di mensional structure of water masses in regions as large as millions of square kilometers.
Author : Robert J. Urick
Release : 1979
Genre : Sound
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Sound Propagation in the Sea by : Robert J. Urick
Download or read book Sound Propagation in the Sea written by Robert J. Urick. This book was released on 1979. Available in PDF, EPUB and Kindle. Book excerpt: PARTIAL CONTENTS: CHAPTER 1 - HISTORICAL REVIEW AND METHODS OF INVESTIGATION; CHAPTER - 2 SOME BASIC THEORY; CHAPTER - 3 VELOCITY OF SOUND IN THE SEA; CHAPTER 4 ATTENUATION AND ABSORPTION; CHAPTER 5 THE SURFACE DUCT; CHAPTER 6 THE DEEP SOUND CHANNEL; CHAPTER 7 CAUSTICS AND CONVERGENCE ZONES; CHAPTER 8 SHALLOW WATER DUCTS; CHAPTER 9 REFLECTION AND SCATTERING BY THE SEA SURFACE; CHAPTER 10 REFLECTION AND SCATTERING BY THE SEA BOTTOM; CHAPTER 11 TEMPORAL COHERENCE (FLUCTUATION); CHAPTER 12 SPATIAL COHERENCE (CORRELATION); CHAPTER 13; and MULTIPATHS IN THE SEA.
Author : Herman Medwin
Release : 2005-07-21
Genre : Science
Kind : eBook
Book Rating : 502/5 ( reviews)
Book Synopsis Sounds in the Sea by : Herman Medwin
Download or read book Sounds in the Sea written by Herman Medwin. This book was released on 2005-07-21. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description
Author : National Research Council
Release : 2003-05-22
Genre : Science
Kind : eBook
Book Rating : 157/5 ( reviews)
Book Synopsis Ocean Noise and Marine Mammals by : National Research Council
Download or read book Ocean Noise and Marine Mammals written by National Research Council. This book was released on 2003-05-22. Available in PDF, EPUB and Kindle. Book excerpt: For the 119 species of marine mammals, as well as for some other aquatic animals, sound is the primary means of learning about the environment and of communicating, navigating, and foraging. The possibility that human-generated noise could harm marine mammals or significantly interfere with their normal activities is an issue of increasing concern. Noise and its potential impacts have been regulated since the passage of the Marine Mammal Protection Act of 1972. Public awareness of the issue escalated in 1990s when researchers began using high-intensity sound to measure ocean climate changes. More recently, the stranding of beaked whales in proximity to Navy sonar use has again put the issue in the spotlight. Ocean Noise and Marine Mammals reviews sources of noise in the ocean environment, what is known of the responses of marine mammals to acoustic disturbance, and what models exist for describing ocean noise and marine mammal responses. Recommendations are made for future data gathering efforts, studies of marine mammal behavior and physiology, and modeling efforts necessary to determine what the long- and short-term impacts of ocean noise on marine mammals.
