Effect of Ocean Surface Profiles on Near-surface Steady-state Acoustic Scattering PDF Download
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Author: Nathaniel Rivera
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Nathaniel Rivera
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: L.M. Brekhovskikh
Publisher: Springer Science & Business Media
ISBN: 0387216553
Category : Science
Languages : en
Pages : 289
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Book Description
This book provides an up-to-date introduction to the theory of sound propagation in the ocean. The text treats both ray and wave propagation and pays considerable attention to stochastic problems such as the scattering of sound at rough surfaces and random inhomogeneities. An introductory chapter that discusses the basic experimental data complements the following theoretical chapters. New material has been added throughout for this third edition. New topics covered include: - inter-thermocline lenses and their effect on sound fields - weakly divergent bundles of rays - ocean acoustic tomography - coupled modes - sound scattering by anisotropic volume inhomogeneities with fractal spectra - Voronovich's approach to sound scattering from the rough sea surface. In addition, the list of references has been brought up to date and the latest experimental data have been included.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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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.
Author: Clarence Samuel Clay
Publisher:
ISBN:
Category : Marine geophysics
Languages : en
Pages : 49
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Book Description
Effect of roughness of the sea floor on marine geophysical measurements is studied. Comparisons of scattering experiments and theory, scattering characteristics of the sea floor, sonographs of ice grooves on the bottom of Lake Superior, and the roughness of the sea floor in the basin west of Spain are shown.
Author: Louis L. Scharf
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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The spectral and covariance properties of surface-scattered acoustic fields are determined for slightly rough and very rough sea surfaces that are irradiated with far-field, single frequency sources. The results obtained are general in the sense that they depend only on the frequency-wavenumber spectrum of the stochastic sea surface and not on any particular surface spectrum. Exact results are obtained for sinusoidal seas and these results are compared with various approximate solutions. The approximations clearly indicate the connection between sinusoidal seas. (Author).
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ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 592
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Author: Norbert Untersteiner
Publisher: Springer
ISBN: 1489953523
Category : Science
Languages : en
Pages : 1197
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Based on the proceedings of the NATO Advanced Study Institute on Air-Sea-Ice Interaction held September 28-October 10, 1981 in Acquafredda di maratea, Italy. Intent is to present the topic of sea ice in the broad and interdisciplinary context of atmospheric and oceanographic science.
Author:
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ISBN:
Category : Aquatic biology
Languages : en
Pages : 984
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Author:
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ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 800
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