Download or read book SACLANTCEN s Use of Scuba Diving in Oceanographic and Acoustic Research written by Federico De Strobel and published by . This book was released on 1984 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over ten years of scientific diving for oceanographic and acoustics research is described. Examples show the need for a scientist to dive even in highly automated activities. Diving operations in oceanographic research have included: deployment of oceanographic buoys and sensors, check-and-recovery operations, installation of bottom-mounted systems, placing fluorescent dye releasers for oceanographic investigations, in-situ calibration of neutrally buoyant floats, and evaluations of low-speed towed bodies. Diving operations in underwater acoustics research have included: visual and stereophotographic investigations and sampling of the sea floor and in-situ measurements of the acoustic characteristics of sediments using geophones and electroacoustic transducers. These operations and techniques are described and some reference is given to organization, safety rules, and operational limits.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1986 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanographic and Underwater Acoustics Research written by Woods Hole Oceanographic Institution and published by . This book was released on 1966 with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanographic and Underwater Acoustics Research Conducted During the Period 1 November 1961 30 April 1962 written by and published by . This book was released on 1962 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamentals of Acoustical Oceanography written by Herman Medwin and published by Academic Press. This book was released on 1997-11-05 with total page 739 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. * 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
Download or read book Oceanographic and Underwater Acoustics Research Conducted During the Period 1 May 31 October 1967 written by WOODS HOLE OCEANOGRAPHIC INSTITUTION MASS. and published by . This book was released on 1968 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report includes investigations of oceanic acoustics, physical oceanography, sea floor properties, and advisory activities. Acoustic, geophysical, and oceanographic cruises by R/V ATLANTIS II, CHAIN, GOSNOLD, ALVIN and LULU in the North Atlantic Ocean and Baltic Sea are described. Continuing analyses of acoustical and geophysical data are discussed; papers, reports and technical memoranda written during this period are listed. (Author).
Download or read book Applied Underwater Acoustics written by Thomas Neighbors and published by Elsevier. This book was released on 2017-01-19 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applied Underwater Acoustics meets the needs of scientists and engineers working in underwater acoustics and graduate students solving problems in, and preparing theses on, topics in underwater acoustics. The book is structured to provide the basis for rapidly assimilating the essential underwater acoustic knowledge base for practical application to daily research and analysis. Each chapter of the book is self-supporting and focuses on a single topic and its relation to underwater acoustics. The chapters start with a brief description of the topic’s physical background, necessary definitions, and a short description of the applications, along with a roadmap to the chapter. The subtopics covered within individual subchapters include most frequently used equations that describe the topic. Equations are not derived, rather, assumptions behind equations and limitations on the applications of each equation are emphasized. Figures, tables, and illustrations related to the sub-topic are presented in an easy-to-use manner, and examples on the use of the equations, including appropriate figures and tables are also included. Provides a complete and up-to-date treatment of all major subjects of underwater acoustics Presents chapters written by recognized experts in their individual field Covers the fundamental knowledge scientists and engineers need to solve problems in underwater acoustics Illuminates, in shorter sub-chapters, the modern applications of underwater acoustics that are described in worked examples Demands no prior knowledge of underwater acoustics, and the physical principles and mathematics are designed to be readily understood by scientists, engineers, and graduate students of underwater acoustics Includes a comprehensive list of literature references for each chapter
Download or read book Fundamentals of Underwater Acoustics written by Orlando Camargo Rodríguez and published by Springer Nature. This book was released on 2023-07-10 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook on Underwater Acoustics has a structure that is more organic than logical. It thereby unifies diverse areas of research, including topics of signal processing, the sonar equation, sources and receivers, scattering and reverberation, wave propagation, propagation models, and inverse problems. It also provides code fragments written in Python which complement the discussion. This is a book written for both beginners and specialists, as well as for biologists, oceanographers, computer engineers, physicists, and mathematicians, and for civilian and naval personnel who are looking for a introductory overview of the topic.
Download or read book Fundamentals of Ocean Acoustics written by L.M. Brekhovskikh and published by Springer Science & Business Media. This book was released on 2003-03-18 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Sounds in the Sea written by Herman Medwin and published by Cambridge University Press. This book was released on 2005-07-21 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description
Download or read book Oceanographic and Underwater Acoustics Research Conducted During the Period 1 November 1959 30 April 1960 written by WOODS HOLE OCEANOGRAPHIC INSTITUTION MA. and published by . This book was released on 1960 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanographic and Underwater Acoustics Research written by Woods Hole Oceanographic Institution and published by . This book was released on 1961 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Introduction to Underwater Acoustics written by Xavier Lurton and published by Springer. This book was released on 2016-08-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sound waves are the only practical means of remote investigation of the sea and its bottom and transmission in seawater. Underwater acoustics has become one of the major technologies used in the exploration and exploitation of the oceans for scientific, industrial, or military/naval purposes. It is widely employed in the fields of ocean engineering, seafloor mapping, defence, oceanography, navigation, and fisheries. Dr Xavier Lurton is a renowned specialist in underwater acoustics. He has worked in this field as a scientist, engineer, project manager and teacher since 1981 and has participated in many scientific projects, systems developments and at-sea cruises. In the second edition of his book, Dr Lurton provides an updated and extended introduction to underwater acoustics, including coverage of the physical processes and their basic modeling, different underwater acoustic systems and their practical applications and a description and assessment of the various technologies. Dr Lurton has extensive experience as a lecturer in undergraduate and postgraduate schools, including naval academies. This book is based on his direct, first-hand experience of the many aspects of underwater acoustics in seas around the world, at the forefront of current research and development efforts.
Download or read book Oceanography and Acoustics written by Allan R. Robinson and published by American Institute of Physics. This book was released on 1994 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Market: Ocean dynamicists and acousticians. "Useful to scientists or students interested in ocean dynamical modelling, acoustic propagation modelling, and particularly to those interested in the union of these fields (which is likely to be become increasingly important)." Revue de livre With complete chapters contributed by leading authorities, this work offers a comprehensive overview of current combined research in acoustics and oceanography. Following an introduction on ocean variability, acoustic propagation, and coupled models, subsequent chapters present up-to-date coverage of the developing relationship between ocean science and ocean acoustics, including an extensive review of state-of-the-art three-dimensional models.
Download or read book Sound Images of the Ocean written by Peter Wille and published by Springer. This book was released on 2009-09-02 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sound Images of the Ocean is the first comprehensive overview of acoustic imaging applications in the various fields of marine research, utilization, surveillance, and protection. The book employs 400 sound images of the sea floor and of processes in the sea volume, contributed by more than 120 marine experts from 22 nations.
Download or read book Oceanographic and Underwater Acoustics Research written by J. B. Hersey and published by . This book was released on 1965 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: A program of basic research was instituted and gradually strengthened. This basic research program includes research into oceanographic, submarine geological and geophysical influences on the performance of naval underwater devices, emphasizing those employing underwater sound. Emphasis was placed on the distribution and physical properties of sediment of the deep sea, the structure and motion of the nearly isothermal layer of water near the surface of the sea, the measurement and collation of the velocity of sound as a function of depth and geographic position in the North Atlantic Ocean and the Mediterranean Sea, and the institution of a program of gravity and magnetic measurements together with the use at sea of medium-sized digital computers for recording, collating, and making routine reductions of oceanographic and geophysical observations. (Author).
Download or read book Oceanographic and Underwater Acoustics Research written by Woods Hole Oceanographic Institution and published by . This book was released on 1959 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
