Waves Currents And Sediment Transport In The Surf Zone Along Long Straight Beaches
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Waves Currents And Sediment Transport In The Surf Zone Along Long Straight Beaches
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Author : Yoshimitsu Tajima
language : en
Publisher:
Release Date : 2004
Waves Currents And Sediment Transport In The Surf Zone Along Long Straight Beaches written by Yoshimitsu Tajima and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Beaches categories.
(Cont.) Introducing the predicted near-shore hydrodynamic characteristics, we extend the conceptual bedload and associated suspended load sediment transport models (Mad- sen, 2001) to the surf zone. The extended sediment transport model accounts for breaking wave effects such as an increase of turbulence due to broken waves and change of the momentum force balances due to breaking waves and surface rollers. The model predicted the peaks of longshore sediment transport observed near the shore line and the wave breaking point for plunging breakers.
Longshore Sand Transport Distribution Across The Surf Zone Due To Random Waves
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Author : Saad Mesbah M. Abdelrahman
language : en
Publisher:
Release Date : 1983
Longshore Sand Transport Distribution Across The Surf Zone Due To Random Waves written by Saad Mesbah M. Abdelrahman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Beach erosion categories.
Water waves are one of the principal causes of shoreline changes. When waves break along the shore, they release their energy and momentum and give rise to a longshore current. The longshore current, along with the stirring action of the waves, is the primary mechanism for longshore sediment transport. The longshore sand transport rate is an essential factor determining erosion or accretion along a coast. If the longshore sand transport rate can be accurately estimated, a quantitative picture of shoreline evolution can be evaluated, including changes of the shoreline due to marine structures. In the present study, analytical and numerical models are developed based on a longshore current model for random waves and a sediment transport formulation by Thornton to predict the cross-shore sediment transport distribution and to compute the total volume of sand transport rate. The model is compared with the field data acquired from Leadbetter Beach, Santa Barbara, California.
Waves On Beaches And Resulting Sediment Transport
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Author : R. E. Meyer
language : en
Publisher: Elsevier
Release Date : 2013-09-24
Waves On Beaches And Resulting Sediment Transport written by R. E. Meyer and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-24 with Science categories.
Waves on Beaches and Resulting Sediment Transport documents the proceedings of an Advanced Seminar held in October, 1971, aiming to offer a coherent, interdisciplinary view of the state of physical research in coastal oceanography and the direction in which this subject is moving. The articles range from wave refraction to littoral erosion, and the authors from geologists to mathematicians. The book opens with a study on the characteristics of wave records in the coastal zone. This is followed by separate chapters on sediment transport in beaches; equations for water waves; small-amplitude normal oscillations of a liquid body; and wave behavior near caustics in models and in nature. Subsequent chapters deal with nonlinear wave interaction in a variety of physical phenomena including deep water waves; the study of longshore currents; sediment suspension by periodic waves; forms of sediment accumulation in the beach zone; run-up on beaches; and the wave breaking process in shallow water.
Beaches
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Author : J. Hardisty
language : en
Publisher: Springer Science & Business Media
Release Date : 1990-12-31
Beaches written by J. Hardisty and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-12-31 with Science categories.
This book places research into worldwide beach environments in its geomorphological context. Having introduced the systems approach to environmental modelling, and identified the groups of processes operating on beaches, the text is structured in five parts: the first three sections provide a sequential account of the effects of these processes on the beach system; part four focuses on theory relevant to landform stability, then reviews existing empirical, analytical and numerical models; and the final section introduces a computer model and shows its application to the process functions developed earlier.
Principles Of Coastal Morphology
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Author : L. C. van Rijn
language : en
Publisher:
Release Date : 1998
Principles Of Coastal Morphology written by L. C. van Rijn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Beach erosion categories.
Beach Nourishment Techniques
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Author : Andrew W. Garcia
language : en
Publisher:
Release Date : 1976
Beach Nourishment Techniques written by Andrew W. Garcia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Beach erosion categories.
Physical Oceanography Of Coastal And Shelf Seas
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Author : B. Johns
language : en
Publisher: Elsevier
Release Date : 1983-01-01
Physical Oceanography Of Coastal And Shelf Seas written by B. Johns and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-01-01 with Science categories.
This book provides a thorough treatment of both theoretical and observational aspects of the interaction between the sea-floor and the near-sea-floor dynamics; the effect this has on the distribution of internal and seabed stress; and the relevance of the associated dynamics to sedimentation processes. The theoretical work described involved both analytical and numerical modelling studies of a wide range of near-shore and shelf processes. These provide a valuable store of information on the interaction between the sea-floor and the dynamics of the overlying water. The book also includes an account of tidal analysis techniques and how these are being applied in the analysis of tidal current measurements. The observational studies relate to measurements of near-sea-floor turbulence and sand-transport in the littoral zone.
Beach Processes And Sedimentation
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Author : Paul D. Komar
language : en
Publisher: Prentice Hall
Release Date : 1976
Beach Processes And Sedimentation written by Paul D. Komar and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Science categories.
Introduces beach processes within an approach that balances an engineering perspective against a purely geological one. Provides an up-to-date review of the current understanding of beach processes as well as applications to solve coastal problems (erosion, management issues, etc.). Discusses issues related to beach erosion and other processes. The second edition of Beach Processes and Sedimentation has been updated to include information gathered from two decades of science and engineering in the field, reflecting the vast increase in knowledge since the first edition. Discusses the rise of coastal zone management as well as patterns of wave transformations and dissipation within the surf zone, and how these water motions produce cross-shore movements of sediment resulting in beach-profile variations. An essential reference book for many readers: from beach front property owners to politicians contending with beachfront erosion to engineers addressing beachfront reclamation projects.
Shoreface Surf Zone Sediment Exchange Processes And Shoreface Dynamics
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Author : Alan W. Niedoroda
language : en
Publisher:
Release Date : 1980
Shoreface Surf Zone Sediment Exchange Processes And Shoreface Dynamics written by Alan W. Niedoroda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Coast changes categories.
Nearshore Sediment Transport
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Author : R.J. Seymour
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Nearshore Sediment Transport written by R.J. Seymour and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
This book represents the efforts of over a hundred individuals who planned and executed the NSTS field experiments, analyzed the billions of data points, and distilled their findings and insights into the summaries found here. Because these experiments were of a scope that will seldom, if ever, be duplicated, and because the program brought together many of the foremost field experimentalists in this country, we all felt from the beginning that it was important to preserve the outcome. This was done in two ways. First, the raw data were made available to any interested investigator within 18 months of the completion of each experiment. Secondly, both the methodology of the experiments and the findings from them were codified in the form of a monograph. This book is that result. I have had the occasion recently (Sediments '87 Proceedings, Vol. 1, pp. 642-651) to assess the NSTS performance. I found that we made giant strides in our understanding of the surf zone hydrodynamics --far more than our fondest expectations at the beginning. We were able to do less than we had hoped about the response of the sediment, largely because of a limited ability to measure it at a point. As I reported in the Sediments '87 assessment, we established a new state of the art in measurement techniques and we demonstrated the effectiveness of large, multi-investigator, instrument-intensive experiments for studying nearshore processes.