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Author: J?rgen Freds?e
Publisher: World Scientific
ISBN: 9789810208400
Category : Science
Languages : en
Pages : 406
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Book Description
This book treats the subject of sediment transport in the marine environment, covering transport of non-cohesive sediment by waves and current in- and outside the surf zone. It can be read independently, but a background in hydraulics and basic wave mechanics is required. It is intended for M.Sc. and Ph.D. students. The primary aim of the book is to describe the physical processes of sediment transport and how to represent them in mathematical models. It does not present a large number of different formulae for the sediment transport rates under various conditions. The book can be divided in two main parts; in the first, the relevant hydrodynamic theory is described; in the second, sediment transport and morphological development are treated. The hydrodynamic part contains a review of elementary theory for water waves, chapters on the turbulent wave boundary layer and the turbulent interaction between waves and currents, and finally, surf zone hydrodynamics and wave driven currents. The part on sediment transport introduces the basic concepts (critical bed shear stress, bed load, suspended load and sheet layer, near-bed concentration, effect of sloping bed); it treats suspended sediment in waves and current and in the surf zone, and current and wave-generated bed forms. Finally, the modelling of cross-shore and long-shore sediment transport is described together with the development, of coastal profiles and coastlines.
Author: J?rgen Freds?e
Publisher: World Scientific
ISBN: 9789810208400
Category : Science
Languages : en
Pages : 406
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Book Description
This book treats the subject of sediment transport in the marine environment, covering transport of non-cohesive sediment by waves and current in- and outside the surf zone. It can be read independently, but a background in hydraulics and basic wave mechanics is required. It is intended for M.Sc. and Ph.D. students. The primary aim of the book is to describe the physical processes of sediment transport and how to represent them in mathematical models. It does not present a large number of different formulae for the sediment transport rates under various conditions. The book can be divided in two main parts; in the first, the relevant hydrodynamic theory is described; in the second, sediment transport and morphological development are treated. The hydrodynamic part contains a review of elementary theory for water waves, chapters on the turbulent wave boundary layer and the turbulent interaction between waves and currents, and finally, surf zone hydrodynamics and wave driven currents. The part on sediment transport introduces the basic concepts (critical bed shear stress, bed load, suspended load and sheet layer, near-bed concentration, effect of sloping bed); it treats suspended sediment in waves and current and in the surf zone, and current and wave-generated bed forms. Finally, the modelling of cross-shore and long-shore sediment transport is described together with the development, of coastal profiles and coastlines.
Author: Jørgen Fredsøe
Publisher:
ISBN:
Category :
Languages : en
Pages : 369
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Book Description
Author: Peter Nielsen
Publisher: World Scientific Publishing Company
ISBN: 9813103582
Category : Technology & Engineering
Languages : en
Pages : 340
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Book Description
This book is intended as a useful handbook for professionals and researchers in the areas of Physical Oceanography, Marine Geology, Coastal Geomorphology and Coastal Engineering and as a text for graduate students in these fields. With its emphasis on boundary layer flow and basic sediment transport modelling, it is meant to help fill the gap between general hydrodynamic texts and descriptive texts on marine and coastal sedimentary processes. The book commences with a review of coastal bottom boundary layer flows including the boundary layer interaction between waves and steady currents. The concept of eddy viscosity for these flows is discussed in depth because of its relation to sediment diffusivity. The quasi-steady processes of sediment transport over flat beds are discussed. Small scale coastal bedforms and the corresponding hydraulic roughness are described. The motion of suspended sand particles is studied in detail with emphasis on the possible suspension maintaining mechanisms in coastal flows. Sediment pickup functions are provided for unsteady flows. A new combined convection-diffusion model is provided for suspended sediment distributions. Different methods of sediment transport model building are presented together with some classical models.
Author: R. D. Rajaona
Publisher:
ISBN:
Category : Marine sediments
Languages : en
Pages : 609
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Book Description
Author: Ashish J Mehta
Publisher: World Scientific Publishing Company
ISBN: 9814449504
Category : Technology & Engineering
Languages : en
Pages : 1060
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Book Description
This book presents observations on the phenomena of fine sediment transport and their explanations under process-related divisions such as flocculation, erosion, and deposition. The text is a compilation of the author's lecture notes from nearly four decades of teaching and guiding graduate students in civil and coastal engineering. Illustrations of fine sediment transport processes and their complexities given in the book are taken from field and laboratory-based observations by the author and his students, as well as numerous investigators. The wide-ranging composition of particles (of inorganic and organic matter), their universal presence and their complex interactions with hydraulic forces make this branch of science a difficult one to deal with in a single treatise. It is therefore essential to study fine sediment transport as an independent subject rather than cover it in no more than a single chapter as many texts on coarse sediment transport have done. Even though the entire coverage is “introductory”, the twelve chapters collectively include more material than what can be reasonably dealt with in a one semester, three-credit course. The book includes an extensive description of the components of fine-grained — especially cohesive — sediment transport. It covers the development of the subject in scientific and engineering applications mainly from the 1950s to its present state. Solved examples and chapter-end exercises are also included. This text is aimed at senior civil engineering undergraduates and graduate students who, in the normal course of their study, seldom come across the subject of fine sediment transport in their curricula. Interested students should have a basic understanding of the mechanics of fluid flow and open channel hydraulics.
Author: Tomoya Shibayama
Publisher: World Scientific
ISBN: 9812813950
Category : Technology & Engineering
Languages : en
Pages : 228
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Book Description
Features concepts in coastal engineering and their application to coastal processes and disaster prevention works. This title describes basic concepts of coastal engineering, dealing mainly with wave-induced physical problems. It consists of the author's results of 30 years' scientific research on the progress of coastal sediment transport study.
Author: L. C. van Rijn
Publisher:
ISBN:
Category : Coastal sediments
Languages : en
Pages : 716
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Book Description
Author: Alan F. Blumberg
Publisher: Cambridge University Press
ISBN: 1107191998
Category : Business & Economics
Languages : en
Pages : 249
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Book Description
Describes the physics of the coastal ocean, for advanced students, researchers, urban planners, and environmental engineers.
Author: M. Schwartz
Publisher: Springer Science & Business Media
ISBN: 1402038801
Category : Science
Languages : en
Pages : 1243
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Book Description
This new Encyclopedia of Coastal Science stands as the latest authoritative source in the field of coastal studies, making it the standard reference work for specialists and the interested lay person. Unique in its interdisciplinary approach. This Encyclopedia features contributions by 245 well-known international specialists in their respective fields and is abundantly illustrated with line-drawings and photographs. Not only does this volume offer an extensive number of entries, it also includes various appendices, an illustrated glossary of coastal morphology and extensive bibliographic listings.
Author: M Bélorgey
Publisher: World Scientific
ISBN: 9814550523
Category :
Languages : en
Pages : 432
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Book Description
These proceedings contain papers by some of the world's leading experts in the analytical and numerical modelling of sediment transport, its measurement on site and in the laboratory, river and coastal morphology, and similar issues. These topics are of fundamental importance in many areas (such as the silting or erosion of coasts and rivers, and the design of fluvial or coastal structures) and should consequently be of interest to a wide audience in engineering, geology and related disciplines. Contents:Structure of Turbulence Over Two-Dimensional Dunes (S J Bennett & J L Best)Numerical Study on Transition to Turbulence in a Wave Boundary Layer (H Tanaka & A Sana)Numerical Modelling of Three-Dimensional Cohesive Sediment Transport in an Estuarine Environment (L Cancino & R Neves)Settlement: A Sedimentary Process (M Sanchez & A Grovel)Mass Transport Over Rippled Beds (F Marin & J F A Sleath)Laboratory Experiments on Sediment Erosion Induced by Partially Standing Waves (V Rey et al)The Behaviour, Interaction and Effect of Depositing Grains (M V C Wheeler & B B Willetts)Breaking Waves-Plunging Point and Its Effects (Y Yüksel & M S Kapdasli)A Field Study of Wave-Current Interactions Over a Rippled Sand Bed (A Hannay et al)Sediment Suspension by Turbulence in the Surf Zone (G G Smith & G P Mocke)On Nuclear Gauging of Natural Streams (G S Tazioli)and other papers Readership: Engineers, geographers and geologists.keywords:
