Observed And Predicted Vertical Suspended Sediment Concentration Profiles And Bedforms In Oscillatory Only Flow
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Field Observations and Predictions of Bed Shear Stresses and Vertical Suspended Sediment Concentration Profiles in Wave-current Conditions
| Author | : J. J. Williams |
| Publisher | : |
| Total Pages | : 30 |
| Release | : 1999 |
| Genre | : Sediment transport |
| ISBN | : |
Sediments, Morphology and Sedimentary Processes on Continental Shelves
| Author | : Michael Z. Li |
| Publisher | : John Wiley & Sons |
| Total Pages | : 442 |
| Release | : 2012-02-20 |
| Genre | : Science |
| ISBN | : 144435082X |
The application of multibeam and sediment transport measurement technologies and the adoption of multi-faceted research methodologies have greatly advanced our understanding of the sedimentary processes on continental shelves in the last decade. This book uniquely blends cutting-edge research and state-of-the art review articles that take stock of new advances in multibeam mapping and sediment transport technologies, spatial analysis and modelling, and the applications of these advances to the understanding of shelf sediments, morphodynamics, and sedimentary processes. Case studies are also presented to illustrate the utilization of seabed property and process knowledge in habitat mapping and ocean management With its mix of papers focusing on technological advances, integration of shelf morphology and processes, and the application of these advances to coastal and ocean management, this Special Publication volume will serve as a milestone reference for professional marine scientists and as advanced text for students in marine geology, sedimentology and oceanography. This book is part of the International Association of Sedimentologists (IAS) Special Publications. The Special Publications from the IAS are a set of thematic volumes edited by specialists on subjects of central interest to sedimentologists. Papers are reviewed and printed to the same high standards as those published in the journal Sedimentology and several of these volumes have become standard works of reference.
The Proceedings of the Coastal Sediments 2011
| Author | : Ping Wang |
| Publisher | : World Scientific |
| Total Pages | : 2751 |
| Release | : 2011 |
| Genre | : Science |
| ISBN | : 9814355534 |
This proceedings contains nearly 200 papers on cutting-edge research presented at the seventh international Symposium on Coastal Engineering and Science of Coastal Sediment Processes, held May 2OCo6, 2011, in Miami, Florida, USA. This technical specialty conference was devoted to promoting an interdisciplinary exchange of state-of-the-art knowledge among researchers in the fields of coastal engineering, geology, oceanography, and related disciplines, with a theme of bringing together theory and practice. Focusing on the physical aspects of sediment processes in various coastal environments, this three-volume conference proceedings provides findings from the latest research and newest engineering applications. Session topics cover a wide range including barrier-island morphodynamics and evolution, beach nourishment and shore protection, coastal dunes, cohesive sediment transport, field and laboratory measurements of sediment transport processes and numerical modeling, gravel transport, large-scale and long-term coastal changes, LiDAR and remote sensing, longshore and cross-shore sediment transport, marsh and wetlands, regional sediment management, river deltas, sea-level changes, shelf and sand bodies, shoreline changes, tidal inlets and navigation channels. A special session on recent research findings at the Northern Gulf of Mexico is also included."
Proceedings Of The Coastal Sediments 2011, The (In 3 Volumes)
| Author | : Tiffany M Roberts |
| Publisher | : World Scientific |
| Total Pages | : 2751 |
| Release | : 2011-04-21 |
| Genre | : Technology & Engineering |
| ISBN | : 981445852X |
This proceedings contains nearly 200 papers on cutting-edge research presented at the seventh international Symposium on Coastal Engineering and Science of Coastal Sediment Processes, held May 2-6, 2011, in Miami, Florida, USA. This technical specialty conference was devoted to promoting an interdisciplinary exchange of state-of-the-art knowledge among researchers in the fields of coastal engineering, geology, oceanography, and related disciplines, with a theme of bringing together theory and practice.Focusing on the physical aspects of sediment processes in various coastal environments, this three-volume conference proceedings provides findings from the latest research and newest engineering applications. Session topics cover a wide range including barrier-island morphodynamics and evolution, beach nourishment and shore protection, coastal dunes, cohesive sediment transport, field and laboratory measurements of sediment transport processes and numerical modeling, gravel transport, large-scale and long-term coastal changes, LiDAR and remote sensing, longshore and cross-shore sediment transport, marsh and wetlands, regional sediment management, river deltas, sea-level changes, shelf and sand bodies, shoreline changes, tidal inlets and navigation channels. A special session on recent research findings at the Northern Gulf of Mexico is also included.
Mathematical Modeling of Suspended Sediment Transport in Free Surface Flows
| Author | : Mira Sabat |
| Publisher | : |
| Total Pages | : |
| Release | : 2011 |
| Genre | : |
| ISBN | : |
The vertical distribution of suspended sediment concentration and velocity plays a major role in the study of the transport rate and the transport capacities of a river. Many suspended sediments concentration and velocity profiles exist in the literature, having ambiguous conditions of application. In addition, it is not easy to conduct in - situ measurements. This reveals, not only the utility of using numerical profiles, but also the responsibility of choosing an optimal one.The present thesis aims to conceive new tools for studying the vertical velocity and concentration distribution. In this context, we present two new sediment diffusivity coefficients obtained by the introduction of correction operator on the parabolic diffusivity coefficient. These models are implemented in the convection diffusion equation to generate two analytical concentration profiles and using the Boussinesq assumption, they lead to two analytical velocity profiles. Also, we conceive a method for choosing between different mathematical representation of a same physical phenomenon, and two methods for the intersection between these representations when more than one is applicable and for the extension of the representations to the cases where no model is applicable. We apply this method on the study of the vertical velocity profile and the sediment distribution in steady and uniform sediment laden open channel flows, and we develop the expert system for the vertical sediment concentration distribution code_ERESA.In an appendix, we test the use of the finite volume code_Saturne for the study of the vertical velocity distribution and suspended sediment concentration in open channel flows.
Mechanics of Coastal Sediment Transport
| Author | : J?rgen Freds?e |
| Publisher | : World Scientific |
| Total Pages | : 406 |
| Release | : 1992 |
| Genre | : Science |
| ISBN | : 9789810208400 |
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.
