Download or read book Internal Wave Dynamics on the Australian North West Shelf written by Paul Van Gastel and published by . This book was released on 2010 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: [Truncated abstract] Internal waves are a frequently encountered phenomenon throughout the global ocean. They are generated by disturbances to a stratified ocean at frequencies between the inertial and buoyancy frequency. On continental shelf and slope regions, a common generation source is the oscillating barotropic tidal flow over varying topography, which gives rise to the internal tide. Under certain conditions, the internal tide can transform into a set of high-frequency, nonlinear internal waves. In the deep ocean, internal tides are generated at mid-oceanic topographic features. The mechanism of generation of internal waves on the shelf break and at mid-oceanic topographic features is essentially the same. The weak stratification in the deep ocean means that little energy is required here to cause significant mixing (Munk and Wunsch, 2007). Internal tides generated on the shelf break and in the deep ocean are assumed to play a very important role in dissipating tidal energy (Garrett and Kunze, 2007). Assimilation of altimeter data of tides into numerical models (Egbert & Ray 2001) showed that tides lose much more energy in the open ocean compared to coastal waters. This can be ascribed to bottom friction, generally in deep-sea regions with significant topographic features. Internal waves are studied for a variety of reasons. They provide a mechanism for the removal of energy from the barotropic tide, via the internal tide, into high-frequency internal waves, eventually to be dissipated into turbulent motions when the waves break (e.g. Kantha and Tierney, 1997). The strong horizontal currents and vertical shear associated with internal waves may destabilize underwater platforms and drilling operations for oil exploration (Bole et al, 1994). Internal waves may also cause lateral transport of nutrients (Scotti and Pineda, 2004) and the perturbations in the density field due to internal wave motions can cause large fluctuations in the sound speed and thus affect acoustic propagation which is of particular relevance to the design of sonar systems (Duda and Preisig, 1999). Observations of internal waves from field measurements and satellite imagery show the phenomenon to be highly variable in space and time and sensitive to environmental conditions with small changes producing significant changes to the internal wave strength and form. This is particularly true of the Australian North West Shelf where internal waves are known to be both ubiquitous and very energetic. This study investigates, using a comprehensive set of field observations and numerical modeling using the 3-dimensional hydrostatic ROMS model, the long-term temporal and spatial variability of the internal wave climatology on the southern region of the Australian North West Shelf (NWS)...
Download or read book Internal Gravity Waves in the Shallow Seas written by Stanisław R. Massel and published by Springer. This book was released on 2015-07-07 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a comprehensive study of the internal ocean waves, which play a very important role in ocean physics providing mechanisms for ocean water mixing and circulation, as well as the transportation of gases, nutrients, and a very large number of marine organisms in the ocean body. In contrast to surface waves, the literature on internal waves is not so numerous, mainly due to the difficulties in experimental data collection and in the mathematical description of internal wave propagation. In this book, the basic mathematical principles, a physical description of the observed phenomena, and practical theoretical methods of determination of wave parameters as well as the original method of observation using moving sensors are presented. Special attention is paid to internal wave propagation over changing bottom topographies in shallow seas such as the Baltic Sea. The book is supplemented with an extended list of relevant and extended bibliographies, a subject index, and an author index.
Download or read book Tidal Hydrodynamics written by Bruce B. Parker and published by John Wiley & Sons. This book was released on 1991-09-03 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consists of refereed papers by the world's leading authorities on tidal hydrodynamics. Its forty-four papers, including nine review papers, cover all aspects of the subject and present, for the first time in one place, state of the art treatments of recent advances including tidal detection from satellite altimetry, global tide modeling, nonlinear tidal interactions and internal tidal phenomena.
Download or read book Internal Wave Dynamics Over Coastal Topography written by P. D. Craig and published by . This book was released on 1985 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Biogeography of the Australian North West Shelf written by Barry Wilson and published by Newnes. This book was released on 2013-06-11 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Biogeography of the Australian North West Shelf provides the first assembly of existing information of the North West Shelf in terms of geological, oceanographic and climatological history and current understanding of such issues as biodiversity, connectivity, larval dispersal and speciation in the sea that determine the distribution patterns of its invertebrate fauna. It is intended as a source of information and ideas on the biota of the shelf and its evolutionary origins and affinities and the environmental drivers of species’ ecology and distribution and ecosystem function. Regulators and industry environmental managers worldwide, but especially on the resource-rich North West Shelf, are faced with having to make decisions without adequate information or understanding of conservation values or the factors that drive ecosystem processes and resilience in the face of increasing anthropogenic and natural change. This book will provide a resource of information and ideas and extensive references to issues of primary concern. It will provide a big-picture narrative, putting the marine biota into a geological, evolutionary, and regional biodiversity context. The first book to cover the major benthic habitats and physical and ecological condition of the North West Shelf of Australia Covers new information on geomorphology and biota of coral reefs and other invertebrate habitats that are key species and functional groups of the North West Shelf Introduces new ideas on biogeographic processes and patterns in tropical seas
Download or read book Nonlinear Processes in Geophysical Fluid Dynamics written by O.U. Velasco Fuentes and published by Springer Science & Business Media. This book was released on 2011-06-27 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Tribute to the Scientific Work of Pedro Ripa
Download or read book Oceanic Internal Tides Observations Analysis and Modeling written by Eugene G. Morozov and published by Springer. This book was released on 2018-02-08 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a detailed study of the structure and variability of internal tides and their geographical distribution in the ocean. Based on experimental analysis of oceanic measurements combined with numerical modeling, it offers a comprehensive overview of the internal wave processes around the globe. In particular, it is based on moored buoys observations in many regions in all oceans (Atlantic, Pacific, Indian, Arctic, and Southern) that have been carried out by researchers from different countries for more than 40 years as part of various oceanographic programs, including WOCE and CLIVAR. However, a significant portion of the data was collected by the author, who is a field oceanographer. The data was processed and interpreted on the basis of the latest knowledge of internal wave motion. The properties of internal waves were analyzed in relation to the bottom topography and mean state of the ocean in specific regions. Internal waves play a major role in the formation of seawater stratification and are responsible for the main processes of ocean dynamics, such as energy transfer and mixing. One of the most significant ideas presented in this book is the generation of internal tides over submarine ridges. Energy fluxes from submarine ridges related to tidal internal waves greatly exceed the fluxes from continental slopes. Submarine ridges form an obstacle to the propagation of tidal currents, which can cause the creation of large amplitude internal tides. Energy fluxes from submarine ridges account for approximately one fourth of the total energy dissipation of the barotropic tides. Model simulations and moored measurements have been combined to generate a map of global distribution of internal tide amplitudes. This book is of interest to oceanographers, marine biologists, civil engineers, and scientists working in climate research, fluid mechanics, acoustics, and underwater navigation.
Download or read book Australian Journal of Marine and Freshwater Research written by and published by . This book was released on 1988 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Coastal and Ocean Engineering written by Philip L. F. Liu and published by World Scientific. This book was released on 1997 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review volume, the third in the series, presents the latest topics for discussion, which provides invaluable information to coastal and ocean engineers around the world. In the first paper of this volume, entitled ?Internal Solitary Waves?, Grimshaw reviews the basic theory of weakly nonlinear waves in an incompressible density-stratified fluid. The internal solitary waves solutions and effects such as friction, refraction and finite amplitude on internal solitary waves are also discussed. In the second paper entitled ?The 3/2-Power Law for Ocean Wind Waves and Its Applications?, Toba gives a thorough review on the field evidence and physical background of the 3/2-power law and the associated wind-wave energy spectra. Several wind-wave prediction models are also discussed. Goda, in his paper entitled ?Directional Wave Spectrum and Its Engineering Applications?, gives a brief historical overview of the development of directional wave spectrum. He presents several standard formulas for directional spreading function for engineering applications and discusses the effects of directional spreading on nearshore currents and wave forces on coastal structures. In a companion paper entitled ?Analysis of the Directional Wave Spectrum from Field Data?, Hashimoto describes the maximum entropy principle method, Bayesian directional spectrum estimation method and the extended maximum entropy method for estimating directional wave spectrum. Hashimoto also introduces a new developed Doppler-type directional wave meter for field measurements. Finally, in ?Reliability-Based Design of Coastal Structures?, Barcharth introduces a design procedure that makes it possible to optimize a design and/or to design to a specific failure probability level.
Download or read book Advances In Coastal And Ocean Engineering Vol 3 written by Philip L-f Liu and published by World Scientific. This book was released on 1997-02-20 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review volume, the third in the series, presents the latest topics for discussion, which provides invaluable information to coastal and ocean engineers around the world. In the first paper of this volume, entitled “Internal Solitary Waves”, Grimshaw reviews the basic theory of weakly nonlinear waves in an incompressible density-stratified fluid. The internal solitary waves solutions and effects such as friction, refraction and finite amplitude on internal solitary waves are also discussed. In the second paper entitled “The 3/2-Power Law for Ocean Wind Waves and Its Applications”, Toba gives a thorough review on the field evidence and physical background of the 3/2-power law and the associated wind-wave energy spectra. Several wind-wave prediction models are also discussed. Goda, in his paper entitled “Directional Wave Spectrum and Its Engineering Applications”, gives a brief historical overview of the development of directional wave spectrum. He presents several standard formulas for directional spreading function for engineering applications and discusses the effects of directional spreading on nearshore currents and wave forces on coastal structures. In a companion paper entitled “Analysis of the Directional Wave Spectrum from Field Data”, Hashimoto describes the maximum entropy principle method, Bayesian directional spectrum estimation method and the extended maximum entropy method for estimating directional wave spectrum. Hashimoto also introduces a new developed Doppler-type directional wave meter for field measurements. Finally, in “Reliability-Based Design of Coastal Structures”, Barcharth introduces a design procedure that makes it possible to optimize a design and/or to design to a specific failure probability level.
Download or read book Oceanography and Marine Biology An Annual Review Volume 40 written by R. N. Gibson and published by CRC Press. This book was released on 2002-08-29 with total page 981 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in oceanography and marine biology and its relevance to global environmental issues continues to increase, creating a demand for authoritative reviews that summarize recent research. Oceanography and Marine Biology: An Annual Review has catered to this demand since its foundation, by the late Harold Barnes, more than 40 years ago. It is an
Download or read book The Global Coastal Ocean Regional Studies and Syntheses written by Kenneth H. Brink and published by Harvard University Press. This book was released on 2005 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Mexican Limnology Basic and Applied Aspects written by Javier Alcocer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume comprises aspects of both basic and applied limnology. They include works on physical, chemical, and biological limnology, as well as experimental approaches in selected areas. Contributions from investigators regarding aquatic conservation and biodiversity were specifically not available and therefore, these aspects are considered in various included works. Most manuscripts deal with lentic aquatic resources. This is not surprising since Mexican limnology followed the general study trend of that from temperate limnology. Despite this, we must emphasize that lotic resources in Mexico are quite important both locally and regionally. This does not mean that rivers are not under limnological research in Mexico, just that their study has only recently begun. It is the intention of the volume to stimulate a larger section of limnologists to further research in this field. It is to be hoped that policy-framing governmental authorities in Mexico will benefit from it, and consider some of the aspects described so that further damage to the epicontinental waterbodies can be halted, and remedial measures can be considered in the future.
Download or read book Comprehensive Remote Sensing written by Shunlin Liang and published by Elsevier. This book was released on 2017-11-08 with total page 3183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Remote Sensing, Nine Volume Set covers all aspects of the topic, with each volume edited by well-known scientists and contributed to by frontier researchers. It is a comprehensive resource that will benefit both students and researchers who want to further their understanding in this discipline. The field of remote sensing has quadrupled in size in the past two decades, and increasingly draws in individuals working in a diverse set of disciplines ranging from geographers, oceanographers, and meteorologists, to physicists and computer scientists. Researchers from a variety of backgrounds are now accessing remote sensing data, creating an urgent need for a one-stop reference work that can comprehensively document the development of remote sensing, from the basic principles, modeling and practical algorithms, to various applications. Fully comprehensive coverage of this rapidly growing discipline, giving readers a detailed overview of all aspects of Remote Sensing principles and applications Contains ‘Layered content’, with each article beginning with the basics and then moving on to more complex concepts Ideal for advanced undergraduates and academic researchers Includes case studies that illustrate the practical application of remote sensing principles, further enhancing understanding
Download or read book ICPMG2014 Physical Modelling in Geotechnics written by Christophe Gaudin and published by CRC Press. This book was released on 2019-01-08 with total page 1366 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 8th International Conference on Physical Modelling in Geotechnics (ICPMG2014) was organised by the Centre for Offshore Foundation Systems at the University of Western Australia under the auspices of the Technical Committee 104 for Physical Modelling in Geotechnics of the International Society of Soil Mechanics and Geotechnical Engineering. This quadrennial conference is the traditional focal point for the physical modelling community of academics, scientists and engineers to present and exchange the latest developments on a wide range of physical modelling aspects associated with geotechnical engineering. These proceedings, together with the seven previous proceedings dating from 1988, present an inestimable collection of the technical and scientific developments and breakthroughs established over the last 25 years. These proceedings include 10 keynote lectures from scientific leaders within the physical modelling community and 160 peer-reviewed papers from 26 countries. They are organised in 14 themes, presenting the latest developments in physical modelling technology, modelling techniques and sensors, through a wide range of soil-structure interaction problems, including shallow and deep foundations, offshore geotechnics, dams and embankments, excavations and retaining structures and slope stability. Fundamental aspects of earthquake engineering, geohazards, ground reinforcements and improvements, and soil properties and behaviour are also covered, demonstrating the increasing complexity of modelling arising from state-of-the-art technological developments and increased understanding of similitude principles. A special theme on education presents the latest developments in the use of physical modelling techniques for instructing undergraduate and postgraduate students in geotechnical engineering.
Download or read book Physical Processes in Lakes and Oceans written by Jorg Imberger and published by American Geophysical Union. This book was released on 1998 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Non Linear Internal Solitary Waves at a Shelf Break on the Australian North West Shelf written by Paul Anstee and published by . This book was released on 1997 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
