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Handbook Of Seafloor Sonar Imagery
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Book Synopsis Handbook of Seafloor Sonar Imagery by : Philippe Blondel
Download or read book Handbook of Seafloor Sonar Imagery written by Philippe Blondel and published by . This book was released on 1997-05-30 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most of the ocean floor remains unmapped but with the introduction of acoustic remote sensing and deep submersible dives this is now achievable. The major use of this book is interpretation of sonar images through worked examples.
Book Synopsis The Handbook of Sidescan Sonar by : Philippe Blondel
Download or read book The Handbook of Sidescan Sonar written by Philippe Blondel and published by Springer Science & Business Media. This book was released on 2010-05-17 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sidescan sonar is proving to be the preeminent technique for researchers and professionals seeking knowledge about the structure and behavior of the seafloor, but its data is often difficult to interpret due to the physics of acoustic remote sensing, and to the varied geological processes at play. This book covers the fundamentals of sidescan sonar, incorporates new understanding of marine structures, and explains how to interpret sidescan sonar imagery and bathymetry.
Book Synopsis An Introduction to Underwater Acoustics by : Xavier Lurton
Download or read book An Introduction to Underwater Acoustics written by Xavier Lurton and published by Springer Science & Business Media. This book was released on 2002 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented in a clear and concise way as an introductory text and practical handbook, the book provides the basic physical phenomena governing underwater acoustical waves, propagation, reflection, target backscattering and noise. It covers the general features of sonar systems, transducers and arrays, signal processing and performance evaluation. It provides an overview of today's applications, presenting the working principles of the various systems. From the reviews: "Presented in a clear and concise way as an introductory text and practical handbook, the book provides the basic physical phenomena governing underwater acoustical waves, propagation, reflection, target backscattering and noise. ⦠It provides an overview of todayâs applications, presenting the working principles of the various systems." (Oceanis, Vol. 27 (3-4), 2003) "This book is a general survey of Underwater Acoustics, intended to make the subject âas easily accessible as possible, with a clear emphasis on applications.â In this the author has succeeded, with a wide variety of subjects presented with minimal derivation ⦠. There is an emphasis on technology and on intuitive physical explanation ⦠." (Darrell R. Jackson, Journal of the Acoustic Society of America, Vol. 115 (2), February, 2004) "This is an exciting new scientific publication. It is timely and welcome ⦠. Furthermore, it is up to date and readable. It is well researched, excellently published and ranks with earlier books in this discipline ⦠. Many persons in the marine science field including acousticians, hydrographers, oceanographers, fisheries scientists, engineers, educators, students ⦠and equipment manufacturers will benefit greatly by reading all or part of this text. The author is to be congratulated on his fine contribution ⦠." (Stephen B. MacPhee, International Hydrographic Review, Vol. 4 (2), 2003)
Download or read book Sonar Systems written by Nikolai Kolev and published by BoD – Books on Demand. This book was released on 2011-09-12 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is an edited collection of research articles covering the current state of sonar systems, the signal processing methods and their applications prepared by experts in the field. The first section is dedicated to the theory and applications of innovative synthetic aperture, interferometric, multistatic sonars and modeling and simulation. Special section in the book is dedicated to sonar signal processing methods covering: passive sonar array beamforming, direction of arrival estimation, signal detection and classification using DEMON and LOFAR principles, adaptive matched field signal processing. The image processing techniques include: image denoising, detection and classification of artificial mine like objects and application of hidden Markov model and artificial neural networks for signal classification. The biology applications include the analysis of biosonar capabilities and underwater sound influence on human hearing. The marine science applications include fish species target strength modeling, identification and discrimination from bottom scattering and pelagic biomass neural network estimation methods. Marine geology has place in the book with geomorphological parameters estimation from side scan sonar images. The book will be interesting not only for specialists in the area but also for readers as a guide in sonar systems principles of operation, signal processing methods and marine applications.
Book Synopsis A Comparison of Seafloor Sonar Classification Methods Through the Use of Error Matrices and 3 Dimensional GIS Visualization by : Andrew S. Lanier
Download or read book A Comparison of Seafloor Sonar Classification Methods Through the Use of Error Matrices and 3 Dimensional GIS Visualization written by Andrew S. Lanier and published by . This book was released on 2006 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multibeam sonar data was collected on Nehalem Bank, off of the Oregon Coast with the purpose of increasing the spatial resolution of our knowledge of the area and delineating seafloor habitats. The system used was the Kongsberg Simrad EM-300 operating at 30 kHz. The data set collected includes both topographic and backscatter information, both of which were processed and gridded at a 5m cell-size resolution. This thesis summarizes the methods used in the characterization of seafloor habitat using the Nehalem Bank data and the analysis tools incorporated within a geographic information system (GIS). This work focuses on investigations into the analysis of benthic habitats through the use of algorithmic calculations at multiple scales to quantitatively delineate distinct seafloor regions. A recently developed spatial analysis technique, the bathymetric position index (BPI), was tested and used as part of the Benthic Terrain Modeler Tool to classify the Nehalem Bank data. Those results were compared both qualitatively and quantitatively to a newly developed method (developed for this project) entitled the surface interpretation method (SIM). Both methods of classification use multiple scales of BPI in conjunction with the topographic digital elevation model (DEM) to quantitatively delineate seafloor habitats. While accuracy assessments of remotely sensed imagery on land are usually carried out using groundtruthing information collected specifically for that purpose, sonar imagery is often assessed using any information available. The groundtruth data available for Nehalem Bank is sparsely located throughout the region and includes: submersible dives, sample data, and seismic and sidescan imagery. In order to evaluate the fit of the classification attempts to the DEM quantitatively, a set of reference points was created and interpreted using the three dimensional (3D) visualization capabilities of a GIS. The results were analyzed using error matrix statistical measures that provided a quantitative assessment of the classification results, the feedback from which guided a refinement of the classification methods. This was done in attempt to optimize "real-world" evaluation of a classification methods results, without an idealized level of seafloor groundtruth data. The backscatter component of the data was processed to reduce the influence of grazing angle on the intensity of surface returns, a common source of noise that dominates many datasets. The processed image shows a reduced variability of the grey level of the imagery in both along and across track directions. Submersible dive groundtruth data were then co-located with the backscatter imagery using habitat interpretations of the dives displayed upon the DEM. The backscatter data was then classified in the regions of the dives using textural analysis with grey level co-occurrence matrix derived indices of homogeneity and entropy. The resulting substrate class divisions satisfactorily parsed the landscape into habitat regions, with the exceptions of the nadir and shadow regions. However, higher frequency deep-towed sidescan imagery in the same region shows that the delineation of substrate regions appears to be incorrect with the EM300 imagery likely imaging subsurface seafloor characteristics.
Book Synopsis Measuring the Oceans from Space by : Ian S. Robinson
Download or read book Measuring the Oceans from Space written by Ian S. Robinson and published by Springer Science & Business Media. This book was released on 2004-06-30 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the fundamental principles of measuring oceans from space, and also contains state-of-the-art developments in data analysis and interpretation and in sensors. Completely new will be material covering advances in oceanography that have grown out of remote sensing, including some of the global applications of the data. The variety of applications of remotely sensed data to ocean science has grown significantly and new areas of science are emerging to exploit the gobal datasets being recovered by satellites, particularly in relation to climate and climate change, basin-scale, air-sea interaction processes (e.g. El Nino) and the modelling, forecasting and prediction of the ocean.
Book Synopsis The Drift of Sea Ice by : Matti Leppäranta
Download or read book The Drift of Sea Ice written by Matti Leppäranta and published by Springer Science & Business Media. This book was released on 2007-03-06 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the fundamental laws of sea ice drift, as derived from the material properties of sea ice, the basic laws of mechanics, and the latest modeling techniques. Topics covered include the science of sea ice drift, forecasting velocity based on volume, size and shape, sea ice ridging and remote sensing, modelling of ice conditions, and the role of sea ice drift in oceanography, marine ecology and engineering.
Book Synopsis Geoinformatics for Marine and Coastal Management by : Darius Bartlett
Download or read book Geoinformatics for Marine and Coastal Management written by Darius Bartlett and published by CRC Press. This book was released on 2016-12-19 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geoinformatics for Marine and Coastal Management provides a timely and valuable assessment of the current state of the art geoinformatics tools and methods for the management of marine systems. This book focuses on the cutting-edge coverage of a wide spectrum of activities and topics such as GIS-based application of drainage basin analysis, contribution of ontology to marine management, geoinformatics in relation to fisheries management, hydrography, indigenous knowledge systems, and marine law enforcement. The authors present a comprehensive overview of the field of Geoinformatic Applications in Marine Management covering key issues and debates with specific case studies illustrating real-world applications of the GIS technology. This "box of tools" serves as a long-term resource for coastal zone managers, professionals, practitioners, and students alike on the management of oceans and the coastal fringe, promoting the approach of allowing sustainable and integrated use of oceans to maximize opportunities while keeping risks and hazards to a minimum.
Book Synopsis Atlas of Submarine Glacial Landforms by : J.A. Dowdeswell
Download or read book Atlas of Submarine Glacial Landforms written by J.A. Dowdeswell and published by Geological Society of London. This book was released on 2016-12-16 with total page 631 pages. Available in PDF, EPUB and Kindle. Book excerpt: New geophysical techniques (multibeam echo sounding and 3D seismics) have revolutionized high-resolution imaging of the modern seafloor and palaeo-shelf surfaces in Arctic and Antarctic waters, generating vast quantities of data and novel insights into sedimentary architecture and past environmental conditions. The Atlas of Submarine Glacial Landforms is a comprehensive and timely summary of the current state of knowledge of these high-latitude glacier-influenced systems. The Atlas presents over 180 contributions describing, illustrating and discussing the full variability of landforms found on the high-latitude glacier-influenced seafloor, from fjords and continental shelves to the continental slope, rise and deep-sea basins beyond. The distribution and geometry of these submarine landforms provide key information on past ice-sheet extent and the direction and nature of ice flow and dynamics. The papers discuss individual seafloor landforms, landform assemblages and entire landsystems from relatively mild to extreme glacimarine climatic settings and on timescales from the modern margins of tidewater glaciers, through Quaternary examples to ancient glaciations in the Late Ordovician.
Book Synopsis Marine and Coastal Geographical Information Systems by : Dawn J. Wright
Download or read book Marine and Coastal Geographical Information Systems written by Dawn J. Wright and published by CRC Press. This book was released on 1999-12-23 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine and coastal applications of GIS are finally gaining wide acceptance in scientific as well as GIS communities, and cover the fields of deep sea geology, chemistry and biology, and coastal geology, biology, engineering and resource management. Comprising rigorous contributions from a group of leading scholars in marine and coastal GIS, this book will inspire and stimulate continued research in this important new application domain. Launched as a project to mark the UN International Year of the Ocean (1998) and supported by the International Geographical Union's Commission on Coastal Systems, this book covers progress and research in the marine and coastal realms, in the areas of theory, applications and empirical results. It is the first book of its kind to address basic and applied scientific problems in deep sea and coastal science using GIS and remote sensing technologies. It is designed for GIS and remote sensing specialists, but also for those with an interest in oceans, lakes and shores. Coverage ranges from seafloor spreading centres to Exclusive Economic Zones to microscale coastal habitats; and techniques include submersibles, computer modelling, image display, 3-D temporal data visualization, and development and application of new algorithms and spatial data structures. It illustrates the broad usage of GIS, image processing, and computer modelling in deep sea and coastal environments, and also addresses important institutional issues arising out of the use of these technologies.
Book Synopsis Seascape Ecology: from characterization to evaluation of state and change over time by : Monica Montefalcone
Download or read book Seascape Ecology: from characterization to evaluation of state and change over time written by Monica Montefalcone and published by Frontiers Media SA. This book was released on 2023-08-22 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Landscape ecology has been a discrete, established discipline since at least 1980. Its marine counterpart, seascape ecology, is barely a decade old, its first applications dating from the early 2010s. Lack of perception of the marine environment hampers the adoption of many landscape ecology approaches to the sea. Seascape ecology relies on special technologies such as remote sensing (either acoustic or optical), robotics, and scuba diving. Both disciplines deal with the spatial configuration of ecosystems and consider environmental heterogeneity and dynamics as the main subjects of study and the key for ecosystem functioning and persistence. Seascape is here intended as the totality of natural and anthropogenic characters of a marine region. To the geologist, it is defined by sedimentology and underwater geomorphology, to the biologist by the nature of the living cover of the seafloor, to the ecologist by the relationships among functional processes and the spatial organization of ecosystems. The goal of this research topic is to encourage original research, case studies, reviews, and viewpoints to identify research priority gaps and possibly contribute to filling them in. We will appreciate, in particular, manuscripts dealing with recent advances such as high-resolution habitat mapping; underwater soundscape and biophony; development, application and validation of biotic indices to assess seafloor integrity (as requested, for instance, by recent European Directives). Papers of interest may discuss the multivarious facets of stability and describe resistance and resilience patterns, the role of stress and disturbance, regime shift and phase shift, or may take up the challenge of integrating coastal landscape and seascape analyses. Studies of long-term series are welcome, as well as methodological improvements, and macroecological approaches on the importance of species diversity and connectivity in seascape organization.
Book Synopsis Acoustic Sensing Techniques for the Shallow Water Environment by : Andrea Caiti
Download or read book Acoustic Sensing Techniques for the Shallow Water Environment written by Andrea Caiti and published by Springer Science & Business Media. This book was released on 2006-09-21 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the collection of papers from the second workshop on Experimental Acoustic Inversion Techniques for Exploration of the Shallow Water Environment. Acoustic techniques provide the most effective means for remote sensing of ocean and sea floor processes, and for probing the structure beneath the sea floor. No other energy propagates as efficiently in the ocean: radio waves and visible light are severely limited in range because the ocean is a highly conductive medium. However, sound from breaking waves and coastal shipping can be heard throughout the ocean, and marine mammals communicate acoustically over basin scale distances. The papers in this book indicate a high level of research interest that has generated significant progress in development and application of experimental acoustic inversion techniques. The applications span a broad scope in geosciences, from geophysical, biological and even geochemical research. The list includes: estimation of geotechnical properties of sea bed materials; navigation and mapping of the sea floor; fisheries, aquaculture and sea bed habitat assessment; monitoring of marine mammals; sediment transport; and investigation of natural geohazards in marine sediments. Audience This book is primarily intended for physicists and engineers working in underwater acoustics and oceanic engineering. It will also be of interest to marine biologists, geophysicists and oceanographers as potential users of the methodologies and techniques described in the book contributions.
Book Synopsis The Encyclopedia of Science and Technology by : James Trefil
Download or read book The Encyclopedia of Science and Technology written by James Trefil and published by Routledge. This book was released on 2001-08-24 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by acclaimed science writer and physicist James Trefil, the Encyclopedia's 1000 entries combine in-depth coverage with a vivid graphic format to bring every facet of science, technology, and medicine into stunning focus. From absolute zero to the Mesozoic era to semiconductors to the twin paradox, Trefil and his co-authors have an uncanny ability to convey how the universe works and to show readers how to apply that knowledge to everyday problems.
Book Synopsis Hot Straight and Normal by : Ron Martini
Download or read book Hot Straight and Normal written by Ron Martini and published by iUniverse. This book was released on 2001 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hot Straight and Normal is a submarine bibliography with over 6000 references to books, videos, articles and Internet sources. It is designed to assist reseachers, historians, students, teachers, collectors and others with an interest in submarines, their history, construction and use in wars worldwide. It's unique format of listing the books by title, will assists the researcher and casual reader alike in finding or searching for familiar words and subjects. Fiction book titles are also included. Each listing contains title, author, date published, publisher, page count, ISBN number and other informative descriptions if known. This is the only submarine bibliography currently in publication. The article index includes all articles in all issues of Naval Submarine League’s Submarine Review and Naval Institute’s Naval Proceedings magazine. There are Web sites and other Internet sources listed and even information on obtaining more information through the Freedom of Information Act. Also included is how to find materials inside government archives. Collected and edited by a former U.S. submariner and member of U.S. Submarine Veterans Inc.
Book Synopsis Proceedings of the ... International Symposium on Technology and the Mine Problem by :
Download or read book Proceedings of the ... International Symposium on Technology and the Mine Problem written by and published by . This book was released on 2004 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanological Studies written by and published by . This book was released on 2000 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Marine Geography written by Joe Breman and published by ESRI, Inc.. This book was released on 2002 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed for both experienced marine cartographers and less technically oriented conservationists, this wide-ranging collection of case studies shows how geographic information system (GIS) software is helping professionals study the world's oceans and seas, map various areas of interest, and help preserve marine ecosystems and habitats.
