Ocean Ambient Noise PDF Download
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Author | : William M. Carey |
Publisher | : Springer Science & Business Media |
Total Pages | : 266 |
Release | : 2011-03-23 |
Genre | : Science |
ISBN | : 1441978321 |
Download Ocean Ambient Noise Book in PDF, ePub and Kindle
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.
Author | : Robert J. Urick |
Publisher | : |
Total Pages | : 212 |
Release | : 1984 |
Genre | : Ambient sounds |
ISBN | : |
Download Ambient Noise in the Sea Book in PDF, ePub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 220 |
Release | : 2003-05-22 |
Genre | : Science |
ISBN | : 0309133157 |
Download Ocean Noise and Marine Mammals Book in PDF, ePub and Kindle
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.
Author | : B.R. Kerman |
Publisher | : Springer Science & Business Media |
Total Pages | : 629 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9400930178 |
Download Sea Surface Sound Book in PDF, ePub and Kindle
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.
Author | : Nori Nakata |
Publisher | : Cambridge University Press |
Total Pages | : 373 |
Release | : 2019-03-21 |
Genre | : Nature |
ISBN | : 1108417086 |
Download Seismic Ambient Noise Book in PDF, ePub and Kindle
A comprehensive overview of seismic ambient noise, covering observations, physical origins, modelling, processing methods and applications in imaging and monitoring.
Author | : |
Publisher | : |
Total Pages | : 194 |
Release | : 1984 |
Genre | : |
ISBN | : |
Download Ambient Noise in the Sea Book in PDF, ePub and Kindle
By ambient noise we mean the prevailing, sustained unwanted background of sound at some spot in the ocean. It excludes momentary, occasional sounds, such as the noise of a close-by passage of a ship or of an occasional rain squall. It is the background of noise, typical of the location and depth where a measuring hydrophone is located, against which a signal," such as the sound of a submarine or the echo from a target, must be detected. Ambient noise also excludes all forms of self-noise, such as the noise of current flow around the measurement hydrophone and its supporting structure, and obviously must exclude all forms of electrical noise. Thus, ambient noise is what is left over, so to speak, after identifiable, occasional noise sources are accounted for.
Author | : David Toop |
Publisher | : |
Total Pages | : 328 |
Release | : 1995 |
Genre | : History |
ISBN | : |
Download Ocean of Sound Book in PDF, ePub and Kindle
"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,"
Author | : William John Richardson |
Publisher | : |
Total Pages | : 488 |
Release | : 1991 |
Genre | : Airplanes |
ISBN | : |
Download Effects of Noise on Marine Mammals Book in PDF, ePub and Kindle
Author | : R. C. Reibold |
Publisher | : |
Total Pages | : 116 |
Release | : 1967 |
Genre | : Spectral energy distribution |
ISBN | : |
Download Correlation of Ambient Ocean Noise with Sea State Spectral Density Book in PDF, ePub and Kindle
The work is concerned with the measurement of ocean waves and ambient ocean noise by an instrumented free-floating buoy, transmitting of the data to a nearby ship for recording on magnetic tape, and the reduction and analysis of the data. A total of 36 recordings were obtained during the six sea trips conducted off the California coast in 700 fathoms of water. The duration of each measurement is nominally 20 minutes. Both analog and digital techniques were used in the analysis of the data. Analog methods employing an RMS averaging technique is preferred for analysis of ambient noise data. Digital methods are preferred for analysis of ocean wave data. Correlation of the data analyzed to date indicates an average increase in ambient ocean noise level at a 200 foot depth, of 3 db per foot-squared increase in sea state spectral density. Power spectral density plots of waves and ambient noise are included, in addition to a description of the buoy and instrumentation. (Author).
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 221 |
Release | : 2003-06-22 |
Genre | : Science |
ISBN | : 0309085365 |
Download Ocean Noise and Marine Mammals Book in PDF, ePub and Kindle
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.