Longshore Sand Transport Distribution Across The Surf Zone Due To Random Waves
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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.
Longshore Sand Transport Distribution Across The Surf Zone Due To Random Waves
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Author :
language : en
Publisher:
Release Date : 1983
Longshore Sand Transport Distribution Across The Surf Zone Due To Random Waves written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Shore Wave Modulation Due To Infragravity Waves In The Nearshore Zone With Applications
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Author : Saad M. M. Abdelrahman
language : en
Publisher:
Release Date : 1986
Shore Wave Modulation Due To Infragravity Waves In The Nearshore Zone With Applications written by Saad M. M. Abdelrahman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Littoral drift categories.
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).
Littoral Sand Transport From Longshore Currents
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Author : Todd E. Walton
language : en
Publisher:
Release Date : 1980
Littoral Sand Transport From Longshore Currents written by Todd E. Walton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Littoral drift categories.
Superduck Surf Zone Sand Transport Experiment
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Author : Julie Dean Rosati
language : en
Publisher:
Release Date : 1990
Superduck Surf Zone Sand Transport Experiment written by Julie Dean Rosati and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Coast changes categories.
The procedures and results of an experiment performed to measure the longshore sand transport rate in the surf zone as part of the SUPERDUCK field data collection project are described in this report. Cross-shore distributions of the longshore sand transport rate, as well as its variation at a point in the surf zone through time, were measured with portable sand traps. Comparison of measurements made with two closely spaced traps indicates trap reliability and consistency. The longshore sand transport rate measured at SUPERDUCK was found to be closely related to the product of wave height and longshore current speed, consistent with previously derived theoretical models of transport. The correlation was considerably improved, however, by including corrections due to energy dissipation introduced by breaking waves and the variation in the longshore current speed. A complete listing of the sand transport rate, wave height, longshore current, and sand grain size data is given. Keywords: Sediment transport, Field experiment, Longshore sand transport, Streamer trap, Surf zone.
The Longshore Transport Of Sand On Beaches
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Author : Paul Douglas Komar
language : en
Publisher:
Release Date : 1969
The Longshore Transport Of Sand On Beaches written by Paul Douglas Komar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Beach erosion categories.
Heuristic Models Of Sand Transport In The Surf Zone
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Author : Robert George Dean
language : en
Publisher:
Release Date : 1973
Heuristic Models Of Sand Transport In The Surf Zone written by Robert George Dean and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Coast changes categories.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer 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 2012-12-06 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 29 (thesis year 1984) a total of 12,637 theses titles from 23 Canadian and 202 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 29 reports theses submitted in 1984, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Short Term Impoundment Of Longshore Sediment Transport
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Author : Kevin R. Bodge
language : en
Publisher:
Release Date : 1987
Short Term Impoundment Of Longshore Sediment Transport written by Kevin R. Bodge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Groins (Shore protection) categories.
Local down- drift profile changes were found to be poor indicators of the local updrift impoundment. In general, the longshore transport profiles were found to be bimodal with peaks just landward of the breakpoint and near the shoreline; the relative significance of the longshore transport shifted from the near-breakpoint peak to the near-shoreline peak as the wave condition varied from spilling to collapsing breakers. Alternately stated, the longshore transport distribution appeared strongly beach profile dependent, as transport was most pronounced over local regions of high bed steepness. Between 10% and 30% of the total longshore transport was observed seaward of the breakpoint for all cases. Long- shore transport in the swash zone represented at least 5% to 60% of the total transport, where the largest swash contributions were associated with plunging/collapsing and collapsing surf conditions.
Handbook Of Coastal And Ocean Engineering
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Author : Young C. Kim
language : en
Publisher: World Scientific
Release Date : 2010
Handbook Of Coastal And Ocean Engineering written by Young C. Kim and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Science categories.
This handbook contains a comprehensive compilation of topics that are at the forefront of many of the technical advances in ocean waves, coastal, and ocean engineering. More than 70 internationally recognized authorities in the field of coastal and ocean engineering have contributed articles on their areas of expertise to this handbook. These international luminaries are from highly respected universities and renowned research and consulting organizations from all over the world. This handbook provides a comprehensive overview of shallow-water waves, water level fluctuations, coastal and offshore structures, port and harbors, coastal sediment processes, environmental problems, coastal hazards, physical modeling, and other issues in coastal and ocean engineering. It is an essential reference for professionals and researchers in the areas of coastal engineering, ocean engineering, oceanography, and meteorology, as well as an invaluable text for graduate students in these fields. Sample Chapter(s). Chapter 1: Wave Setup (2,255 KB). Chapter 2: Wavemaker Theories (607 KB). Contents: Shallow-Water Waves: Wave Setup (Robert G Dean and Todd L Walton ); Wavemaker Theories ( Robert T Hudspeth and Ronald B Guenther ); Analyses by the Melnikov Method of Damped Parametrically Excited Cross Waves (Ronald B Guenther and Robert T Hudspeth); Random Wave Breaking and Nonlinearity Evolution Across the Surf Zone (Yoshimi Goda); Aeration and Bubbles in the Surf Zone (Nobuhito Mori, Shohachi Kakuno and Daniel T Cox); Freak Wave (Nobuhito Mori); Short-Term Wave Statistics (Akira Kimura); Water-Level Fluctuations: Generation and Prediction of Seiches in Rotterdam Harbor Basins (Martijn P C de Jong and Jurjen A Battjes); Seiches and Harbor Oscillations (Alexander B Rabinovich); Finite Difference Model for Practical Simulation of Distant Tsunamis (Sung Bum Yoon); Coastal Structures: Tsunami-Induced Forces on Structures ( Ioan Nistor, Dan Palermo, Younes Nouri, Tad S Murty and Murat Saatcioglu); Nonconventional Wave Damping Structures (Hocine Oumeraci); Wave Interaction with Breakwaters Including Perforated Walls (Kyung-Duck Suh); Prediction of Overtopping (Jentsje van der Meer, Tim Pullen, William Allsop, Tom Bruce, Holger Schttrumpf and Andreas Kortenhaus); Wave Run-Up and Wave Overtopping at Armored Rubble Slopes and Mounds (Holger Schttrumpf, Jentsje van der Meer, Andreas Kortenhaus, Tom Bruce and Leopoldo Franco ); Wave Overtopping at Vertical and Steep Structures (Tom Bruce, Jentsje van der Meer, Tim Pullen and W Allsop); Surf Parameters for the Design of Coastal Structures (Dong Hoon Yoo); Development of Caisson Breakwater Design Based on Failure Experiences (Shigeo Takahashi); Design of Alternative Revetments ( Krystian W Pilarczyk ); Remarks on Coastal Stabilization and Alternative Solutions (Krystian Pilarczyk); Geotextile Sand Containers for Shore Protection (Hocine Oumeraci and Juan Recio); Low Crested Breakwaters (Alberto Lamberti and Barbara Zanuttigh ); Hydrodynamic Behavior of Net Cages in the Open Sea ( Yu-Cheng Li ); Offshore Structures: State of Offshore Structure Development and Design Challenges (Subrata Chakrabarti); Ports and Harbors: Computer Modeling for Harbor Planning and Design (Jiin-Jen Lee and Xiuying Xing); Prediction of Squat for Underkeel Clearance ( Michael J Briggs, Marc Vantorre, Klemens Uliczka and Pierre Debaillon); Coastal Sediment Processes: Wave-Induced Resuspension of Fine Sediment (Mamta Jain and Ashish J Mehta); Suspended Sand and Bedload Transport on Beaches (Nobuhisa Kobayashi, Andres Payo and Bradley D Johnson); Headland-Bay Beaches for Recreation and Shore Protection (John Rong-Chung Hsu, Melissa Meng-Jiuan Yu, Fang-Chun Lee and Richard Silvester); Beach Nourishment (Robert G Dean and Julie D Rosati); Engineering of Tidal Inlets and Morphologic Consequences (Nicholas C Kraus); Environmental Problems: Water and Nutrients Flow in the Enclosed Bays (Yukio Koibuchi & Masahiko Isobe ); Sustainable Coastal Development: Socioeconomic and Environmental Risk in Coastal and Ocean Engineering ( Miguel A Losada Rodr guez, Asuncion Baquerizo, Miquel Ortega-Sinchez, Juan M Santiago and Elena Sinchez-Badorrey); Utilization of the Coastal Area ( Hwung-Hweng Hwung ); Coastal Hazards: Ocean Wave Climates: Trends and Variations Due to Earth''s Changing Climate (Paul D Komar, Jonathan C Allan and Peter Ruggiero); Sea Level Rise: Major Implications to Coastal Engineering and Coastal Management (Lesley Ewing); Sea Level Rise and Coastal Erosion (Marcel J F Stive, Roshanka Ranasinghe and Peter J Cowell); Coastal Flooding: Analysis and Assessment of Risk (Panayotis Prinos and Panagiota Galiatsatou); Physical Modeling: Physical Modeling of Tsunami Waves (Michael J Briggs, Harry Yeh and Daniel T Cox); Laboratory Simulation of Waves (Etienne P D Mansard and Michael D Miles); Coastal Engineering Practice and Education: Perspective on Coastal Engineering Practice and Education ( J William Kamphuis ). Readership: Graduate students, researchers and professionals in coastal and ocean engineering, oceanography and meteorology."