Ocean Ambient Noise

Ocean Ambient Noise PDF Author: William M. Carey
Publisher: Springer Science & Business Media
ISBN: 1441978321
Category : Science
Languages : en
Pages : 266

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Book Description
This monograph develops the theory of noise mechanisms and measurements, and describes general noise characteristics and computational methods. The vast ambient noise literature is concisely summarized using theory combined with key representative results. The air sea boundary interaction zone is described in terms of nondimensional variables requisite for future experiments. Noise field coherency, rare directional measurements, and unique basin scale computations and methods are presented. The use of satellite measurements in these basin scale models is demonstrated. A series of appendices provides in-depth mathematical treatments which will be of interest to graduate students and active researchers.

Ocean Ambient Noise

Ocean Ambient Noise PDF Author: William M. Carey
Publisher: Springer Science & Business Media
ISBN: 1441978321
Category : Science
Languages : en
Pages : 266

Get Book Here

Book Description
This monograph develops the theory of noise mechanisms and measurements, and describes general noise characteristics and computational methods. The vast ambient noise literature is concisely summarized using theory combined with key representative results. The air sea boundary interaction zone is described in terms of nondimensional variables requisite for future experiments. Noise field coherency, rare directional measurements, and unique basin scale computations and methods are presented. The use of satellite measurements in these basin scale models is demonstrated. A series of appendices provides in-depth mathematical treatments which will be of interest to graduate students and active researchers.

Ocean Noise and Marine Mammals

Ocean Noise and Marine Mammals PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309133157
Category : Science
Languages : en
Pages : 220

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Book Description
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.

Ambient Noise in the Sea

Ambient Noise in the Sea PDF Author: Robert J. Urick
Publisher:
ISBN:
Category : Noise
Languages : en
Pages : 208

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Book Description


Seismic Ambient Noise

Seismic Ambient Noise PDF Author: Nori Nakata
Publisher: Cambridge University Press
ISBN: 1108417086
Category : Nature
Languages : en
Pages : 373

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Book Description
A comprehensive overview of seismic ambient noise, covering observations, physical origins, modelling, processing methods and applications in imaging and monitoring.

Sea Surface Sound

Sea Surface Sound PDF Author: B.R. Kerman
Publisher: Springer Science & Business Media
ISBN: 9789027727619
Category : Science
Languages : en
Pages : 662

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Book Description
In its relentless pursuit of further knowledge, science tends to compartmentalize. Over the years the pursuit of What might be called geophysical acoustics of the sea-surface has languished. This has occured even through there are well-developed and active research programs in underwater acoustics, ocean hydrodynamics, cloud and precipitation physics, and ice mechanics - to name a few - as well as a history of engineering expertise built on these scientific fields. It remained to create a convergence, a dialogue across disciplines, of mutual benefit. The central theme of the Lerici workshop, perhaps overly simplified, was 'What are the mechanisms causing ambient noise at the upper surface of the ocean?' What could hydrodynamicists contribute to a better understanding of breaking wave dynamics, bubble production, ocean wave dynamics, or near-surface turbulence for the benefit of the underwater acoustics community? What further insights could fluid dynamicists gain by including acoustic measurements in their repertoire of instrumentation? While every attendee will have his or her percep tions of details, it was universally agreed that a valuable step had been taken to bring together two mature disciplines and that significant co-operative studies would undoubtedly follow. The scope of the workshop was enlarged beyond its original intent to also include the question of ice-noise generation. The success of this decision can be seen in high quality of the presentations. the contribution of its disciples in the other workshop discussions and the heightened awareness and interest of we other novices.

Ocean of Sound

Ocean of Sound PDF Author: David Toop
Publisher:
ISBN:
Category : History
Languages : en
Pages : 328

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Book Description
"Ocean of Sound" begins in 1889 at the Paris Exposition when Debussy first heard Javanese music performed. A culture absorbed in perfume, light and ambient sound developed in response to the intangibility of 20th century communications. David Toop traces the evolution of this culture, through Erik Satie to the Velvet Undergound; Miles Davis to Jimi Hendrix. David Toop, who lives in London, is a writer, musician and recording artist. His other books are "Rap Attack 3 "and "Exotica,"

Effects of Noise on Marine Mammals

Effects of Noise on Marine Mammals PDF Author: William John Richardson
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 488

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Book Description


Mechanics of Underwater Noise

Mechanics of Underwater Noise PDF Author: Donald Ross
Publisher: Elsevier
ISBN: 1483160467
Category : Science
Languages : en
Pages : 390

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Book Description
Mechanics of Underwater Noise elucidates the basic mechanisms by which noise is generated, transmitted by structures and radiated into the sea. Organized into 10 chapters, this book begins with a description of noise, decibels and levels, significance of spectra, and passive sonar equation. Subsequent chapters discuss sound waves in liquids; acoustic radiation fundamentals; wind-generated ocean ambient noise; vibration isolation and structural damping; and radiation by plate flexural vibrations. Other chapters address cavitation, propeller cavitation noise, radiation by fluctuating-force (dipole) sources, and mechanical noise sources. This book will be helpful as a self-education text and as a reference for workers in the field.

Marine Mammals and Noise

Marine Mammals and Noise PDF Author: W. John Richardson
Publisher: Academic Press
ISBN: 0080573037
Category : Science
Languages : en
Pages : 593

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Book Description
Many marine mammals communicate by emitting sounds that pass through water. Such sounds can be received across great distances and can influence the behavior of these undersea creatures. In the past few decades, the oceans have become increasingly noisy, as underwater sounds from propellers, sonars, and other human activities make it difficult for marine mammals to communicate. This book discusses, among many other topics, just how well marine mammals hear, how noisy the oceans have become, and what effects these new sounds have on marine mammals. The baseline of ambient noise, the sounds produced by machines and mammals, the sensitivity of marine mammal hearing, and the reactions of marine mammals are also examined. An essential addition to any marine biologist's library, Marine Mammals and Noise will be especially appealing to marine mammalogists, researchers, policy makers and regulators, and marine biologists and oceanographers using sound in their research.

Marine Mammal Populations and Ocean Noise

Marine Mammal Populations and Ocean Noise PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309133491
Category : Science
Languages : en
Pages : 142

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Book Description
Attention has been drawn to the subject of how ocean noise affects marine mammals by a series of marine mammal strandings, lawsuits, and legislative hearings, and most recently, the report from the U.S. Commission on Ocean Policy. One way to assess the impact of ocean noise is to consider whether it causes changes in animal behavior that are "biologically significant," that is, those that affect an animal's ability to grow, survive, and reproduce. This report offers a conceptual model designed to clarify which marine mammal behaviors are biologically significant for conservation purposes. The report is intended to help scientists and policymakers interpret provisions of the federal Marine Mammal Protection Act.