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Author : Uday Putrevu
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (359 download)
Download or read book Infragravity Velocity Profiles in the Surf-zone written by Uday Putrevu and published by . This book was released on 1994 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ib A. Svendsen
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (359 download)
Download or read book Surf-zone Hydrodynamics written by Ib A. Svendsen and published by . This book was released on 1995 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip L. F. Liu
Publisher : World Scientific
ISBN 13 : 9810224109
Total Pages : 290 pages
Book Rating : 4.8/5 (12 download)
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 1996 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains six papers discussing coastal processes, and physical and numerical modeling.In the first paper, Svendsen and Putrevu give an extensive review on the state of understanding of surf-zone hydrodynamics, including subjects such as wave breaking, wave-induced currents, and instability of nearshore currents and infragravity waves. They point out that the most urgent need is to develop an adequate theory for wave breaking and broken waves in the surf zone.One of the methods for studying the complex coastal processes is to perform laboratory experiments. However, physical models are always plagued by scale and laboratory effects, because the coastal process involves many different length and time scales. In the second paper, Kamphuis presents a detailed discussion on the sources and implications of the scale and laboratory effects on physical modeling.The third and the fourth papers are two parts of the discussion on the mathematical modeling of the meso-tidal barrier island coasts. To understand the dynamics of coastal inlet systems, one can either rely on empirical knowledge and construct various forms of empirical and semi-empirical models (Part I), or develop a set of mathematical models based on the physical processes (Part II). Although these models do not provide the details of the dynamics, they give valuable knowledge of the equilibrium-state relationships. de Vriend and Ribberink give a detailed review on two models, Initial Sedimentation/Erosion models and Medium-Term Morphodynamic models. They have also presented many examples of applications.In the fifth paper, Houston gives a brief review on different methods to mitigate beach loss caused by storms or persistent long-term erosion. He then describes, in detail, the method of beach nourishment, which is also called a beach fill. This paper discusses the information that must be collected to design a beach fill and that should be monitored after the completion of the project.The last paper of this volume shifts our attention to the design of offshore structures, such as gravity structures, floating barges and tankers. Chakrabarti discusses the effects of the uniform and shear currents on fixed and floating structures.
Author : Philip L-f Liu
Publisher : World Scientific
ISBN 13 : 9814499838
Total Pages : 290 pages
Book Rating : 4.8/5 (144 download)
Download or read book Advances In Coastal And Ocean Engineering, Vol 2 written by Philip L-f Liu and published by World Scientific. This book was released on 1996-07-03 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains six papers discussing coastal processes, and physical and numerical modeling.In the first paper, Svendsen and Putrevu give an extensive review on the state of understanding of surf-zone hydrodynamics, including subjects such as wave breaking, wave-induced currents, and instability of nearshore currents and infragravity waves. They point out that the most urgent need is to develop an adequate theory for wave breaking and broken waves in the surf zone.One of the methods for studying the complex coastal processes is to perform laboratory experiments. However, physical models are always plagued by scale and laboratory effects, because the coastal process involves many different length and time scales. In the second paper, Kamphuis presents a detailed discussion on the sources and implications of the scale and laboratory effects on physical modeling.The third and the fourth papers are two parts of the discussion on the mathematical modeling of the meso-tidal barrier island coasts. To understand the dynamics of coastal inlet systems, one can either rely on empirical knowledge and construct various forms of empirical and semi-empirical models (Part I), or develop a set of mathematical models based on the physical processes (Part II). Although these models do not provide the details of the dynamics, they give valuable knowledge of the equilibrium-state relationships. de Vriend and Ribberink give a detailed review on two models, Initial Sedimentation/Erosion models and Medium-Term Morphodynamic models. They have also presented many examples of applications.In the fifth paper, Houston gives a brief review on different methods to mitigate beach loss caused by storms or persistent long-term erosion. He then describes, in detail, the method of beach nourishment, which is also called a beach fill. This paper discusses the information that must be collected to design a beach fill and that should be monitored after the completion of the project.The last paper of this volume shifts our attention to the design of offshore structures, such as gravity structures, floating barges and tankers. Chakrabarti discusses the effects of the uniform and shear currents on fixed and floating structures.
Author : Saad M. M. Abdelrahman
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (318 download)
Download or read book Shore Wave Modulation Due to Infragravity Waves in the Nearshore Zone, with Applications written by Saad M. M. Abdelrahman and published by . This book was released on 1986 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The omni-present low frequency wave motion (30-300 sec) contains a substantial fraction of the total wave energy inside the surf zone. A more complete description of nearshore wave processes considers incident short period waves superposed on, and interacting with, long standing waves. The wind waves are modulated in amplitude, wavenumber and direction due to relatively slowly varying depth changes caused by the long waves. The energy in the wind wave band is enhanced by side band growth at the sum and difference frequencies of short and long waves (order 15% at the shoreline). The modulation is identified in the analysis of field data as a positive correlation between the long waves and the wind wave envelope near the shoreline. Considering oblique incident waves, a steady longshore current showing a non-vanishing current at the shoreline is found as a result of the non-linear interaction between monochromatic incident and infragravity waves. An analytical solution describing the unsteadiness of the longshore current is developed. Keywords include: Infragravity, Longshore Current, Sediment transport, and Surf zone dynamics. (Theses).
Author : Kent K. Hathaway
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.E/5 ( download)
Download or read book Infragravity Waves in the Nearshore Zone written by Kent K. Hathaway and published by . This book was released on 1998 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the present state of knowledge on infragravity wave motions (nominally 0.003 to 0.05 Hz). Theoretical and observational studies are presented. Most of the studies discussed herein have been published elsewhere, however a few studies discussed in chapter 4 are presented for the first time in this report Measurements of nearshore waves and currents have shown that a significant amount of the total energy can be contained in the infragravity band, and on highly dissipative beaches the infragravity wave variance often dominates over energy in the incident wave band(0.05 to 0.3 Hz). An 8-month data set of infragravity variance measured at 8-m-depth at the shoreline (runup) was compared with incident wave variance. Analysis of the 8-m-depth data showed that high mode edge waves account for about 50 percent of the total infragravity variance, and as high as 80 percent at times. Significant edge wave heights greater than 20 cm were observed at the 8-m depth. Infragravity wave variance was shown to have a higher correlation with swell variance (C = 0.95) than with sea variance (C = 0.61). This report was motivated, in part, by the need to determine the significance of infragravity waves on coastal erosion and structure damage and by the desire to improve coastal engineering solutions to problems associated with nearshore processes.
Author :
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (318 download)
Download or read book Ocean System Studies: The ocean system written by and published by . This book was released on 1989 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antony Joseph
Publisher : Newnes
ISBN 13 : 0123914280
Total Pages : 447 pages
Book Rating : 4.1/5 (239 download)
Download or read book Measuring Ocean Currents written by Antony Joseph and published by Newnes. This book was released on 2013-08-12 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measuring Ocean Currents: Tools, Technologies, and Data covers all major aspects of ocean current measurements in view of the implications of ocean currents on changing climate, increasing pollution levels, and offshore engineering activities. Although more than 70% of the Earth is covered by ocean, there is limited information on the countless fine- to large-scale water motions taking place within them. This book fills that information gap as the first work that summarizes the state-of-the-art methods and instruments used for surface, subsurface, and abyssal ocean current measurements. Readers of this book will find a wealth of information on Lagrangian measurements, horizontal mapping, imaging, Eulerian measurements, and vertical profiling techniques. In addition, the book describes modern technologies for remote measurement of ocean currents and their signatures, including HF Doppler radar systems, satellite-borne sensors, ocean acoustic tomography, and more. Crucial aspects of ocean currents are described in detail as well, including dispersion of effluents discharged into the sea and transport of beneficial materials—as well as environmentally hazardous materials—from one region to another. The book highlights several important practical applications, showing how measurements relate to climate change and pollution levels, how they affect coastal and offshore engineering activities, and how they can aid in tsunami detection. - Coverage of measurement, mapping and profiling techniques - Descriptions of technologies for remote measurement of ocean currents and their signatures - Reviews crucial aspects of ocean currents, including special emphasis on the planet-spanning thermohaline circulation, known as the ocean's "conveyor belt," and its crucial role in climate change
Author :
Publisher :
ISBN 13 :
Total Pages : 1092 pages
Book Rating : 4.3/5 (91 download)
Download or read book Coastal Dynamics ... written by and published by . This book was released on 1995 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Isaacson
Publisher :
ISBN 13 :
Total Pages : 582 pages
Book Rating : 4.:/5 (318 download)
Download or read book Proceedings of the International Symposium written by Michael Isaacson and published by . This book was released on 1994 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William R. Dally
Publisher :
ISBN 13 :
Total Pages : 1084 pages
Book Rating : 4.:/5 (318 download)
Download or read book Coastal Dynamics '95 written by William R. Dally and published by . This book was released on 1996 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ninety-two proceedings papers from the 1995 conference reviewing large-scale field and laboratory experiments in the European Community, Japan, the US, and the former Soviet-Bloc countries of Russia, Bulgaria, East Germany, and Poland. These volume particularly features the discussions from those latter countries since most of their experiments have not been, until now, released to the West. In more specific terms, the papers report findings in wave motion in vegetated and non-vegetated coastal zone, surf zone modeling, planform considerations of beach nourishment, swash dynamics, runup, low- frequency motion, longshore currents, cross-shore transport, and profile evolution. Annotation copyright by Book News, Inc., Portland, OR
Author : Job Dronkers
Publisher : World Scientific
ISBN 13 : 9814480746
Total Pages : 541 pages
Book Rating : 4.8/5 (144 download)
Download or read book Dynamics Of Coastal Systems written by Job Dronkers and published by World Scientific. This book was released on 2005-08-04 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamics of Coastal Systems is about the dynamic interaction between water motion and seabed topography, which affects the natural response of coastal systems to change in external conditions and to human interventions — from the scale of seabed ripples up to the scale of entire barrier and delta systems. The book highlights major concepts developed during the past 50 years for the description of current-topography, tide-topography and wave-topography interactions. It provides simple analytical tools and models for diagnosing and predicting coastal response to change, with references to a great variety of coastal systems around the world. These concepts and tools are crucial for sustainable management of beaches, deltas and coastal wetlands.The book is based on a master course on coastal morphodynamics given at the Universities of Utrecht and Delft in The Netherlands for graduate students who are familiar with the basic concepts of coastal hydrodynamics. It enables coastal engineers to complete their background knowledge and to facilitate access to cutting-edge scientific literature on specific topics. The book may also serve to familiarise consultants, practitioners and academics in related coastal disciplines with modern concepts of land-sea interaction.
Author : Paolo Ciavola
Publisher : John Wiley & Sons
ISBN 13 : 1118937082
Total Pages : 288 pages
Book Rating : 4.1/5 (189 download)
Download or read book Coastal Storms written by Paolo Ciavola and published by John Wiley & Sons. This book was released on 2017-03-31 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to coastal storms and their associated impacts Coastal Storms offers students and professionals in the field a comprehensive overview and groundbreaking text that is specifically devoted to the analysis of coastal storms. Based on the most recent knowledge and contributions from leading researchers, the text examines coastal storms’ processes and characteristics, the main hazards (such as overwash, inundation and flooding, erosion, structures overtopping), and how to monitor and model storms. The authors include information on the most advanced innovations in forecasting, prediction, and early warning, which serves as a foundation for accurate risk evaluation and developing adequate coastal indicators and management options. In addition, structural overtopping and damage are explained, taking into account the involved hydrodynamic and morphodynamic processes. The monitoring methods of coastal storms are analyzed based on recent results from research projects in Europe and the United States. Methods for vulnerability and risk evaluation are detailed, storm impact indicators are suggested for different hazards and coastal management procedures analyzed. This important resource includes: Comprehensive coverage of storms and associated impacts, including meteorological coastal storm definitions and related potential consequences A state-of-the-art reference for advanced students, professionals and researchers in the field Chapters on monitoring methods of coastal storms, their prediction, early warning systems, and modeling of consequences Explorations of methods for vulnerability and risk evaluation and suggestions for storm impact indicators for different hazards and coastal management procedures Coastal Storms is a compilation of scientific and policy-related knowledge related to climate-related extreme events. The authors are internationally recognized experts and their work reflects the most recent science and policy advances in the field.
Author :
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.:/5 (359 download)
Download or read book Nine Papers to be Presented at International Symposium on Waves -- Physical and Numerical Modelling written by and published by . This book was released on 1994 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edward J. Anthony
Publisher : Elsevier
ISBN 13 : 0080558860
Total Pages : 540 pages
Book Rating : 4.0/5 (85 download)
Download or read book Shore Processes and their Palaeoenvironmental Applications written by Edward J. Anthony and published by Elsevier. This book was released on 2008-11-21 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last five years have been marked by rapid technological and analytical developments in the study of shore processes and in the comprehension of shore deposits and forms, and shoreline change over time. These developments have generated a considerable body of literature in a wide range of professional journals, thus illustrating the cross-disciplinary nature of shore processes and the palaeo-environmental dimension of shore change. The justification of the book lies in bringing together these developments using an objective approach that synthesises current advances, technical progress in the analysis of shores and shore processes, contradictory interpretations, and potential advances using future-generation developments in techniques. The book provides a comprehensive state-of-the-art presentation of shore processes and deposits across ranges of wave energy and tide-range environments, sediment supply and textural conditions, sea-level change, exceptional events and longer-term climate change, based on the most recently published literature in the marine sciences. The book insists on the nested time and spatial scales through which are inter-linked shore processes and deposits, thus providing a better understanding of the way shores change over time. The approach is thus cross-disciplinary, and gap-bridging between processes and deposits, between analytical techniques, and between timescales. The audience is from graduate level upwards, and the book is intended as a comprehensive reference source for professionals in a wide range of coastal science fields (geologists, sedimentologists, geomorphologists, oceanographers, engineers, managers, archaeologists...).* Aimed at graduates and specialists interested in coastal science* Presents background research, recent developments and future trends* Written by a leading scholar and industry expert
Author : Ib A. Svendsen
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (359 download)
Download or read book Hydrodynamics of the Surf Zone written by Ib A. Svendsen and published by . This book was released on 1994 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Harris
Publisher : CRC Press
ISBN 13 : 1315349418
Total Pages : 1727 pages
Book Rating : 4.3/5 (153 download)
Download or read book Scour and Erosion written by John Harris and published by CRC Press. This book was released on 2016-10-14 with total page 1727 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scour and Erosion includes four keynote lectures from world leading researchers cutting across the themes of scour and erosion, together with 132 peer-reviewed papers from 34 countries, covering the principal themes of: - internal erosion - sediment transport - grain scale to continuum scale - advanced numerical modelling of scour and erosion - terrestrial scour and erosion- river and estuarine erosion including scour around structures, and - management of scour/erosion and sediment, including hazard management and sedimentation in dams and reservoirs. Scour and Erosion is ideal for researchers and industry working at the forefront of scour and erosion, and has applications in both the freshwater and marine environments.
