A Hydrodynamic and Sediment Transport Model for Nearshore Coastal Regions

A Hydrodynamic and Sediment Transport Model for Nearshore Coastal Regions PDF Author: Xiao Li
Publisher:
ISBN:
Category : Sediment transport
Languages : en
Pages : 0

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A Hydrodynamic and Sediment Transport Model for Nearshore Coastal Regions

A Hydrodynamic and Sediment Transport Model for Nearshore Coastal Regions PDF Author: Xiao Li
Publisher:
ISBN:
Category : Sediment transport
Languages : en
Pages : 0

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Modeling Sediment Transport in the Nearshore Coastal Zone

Modeling Sediment Transport in the Nearshore Coastal Zone PDF Author: Allison M. Penko
Publisher:
ISBN:
Category :
Languages : en
Pages : 94

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Sediment Transport and Morphodynamics Modelling for Coasts and Shallow Environments

Sediment Transport and Morphodynamics Modelling for Coasts and Shallow Environments PDF Author: Vanesa Magar
Publisher: CRC Press
ISBN: 0429531591
Category : Science
Languages : en
Pages : 185

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Book Description
This reference for engineers, and graduate students covers sediment transport and morphodynamics modelling in nearshore environments. It presents the fundamentals required for understanding the physics and for setting up numerical models. This book covers hydrodynamics of estuarine and coastal environments, properties of seafloor and estuarine composition, and hydroenvironmental interactions; emphasising the inter-relations of small- and large-scale processes, and short- and large-evolution timescales. The focus is, principally, on the application of shallow-water theory, but some surface wave models, and coupling of shallow-water models with surface waves is also discussed to some extent. The guidance on running regional models and the case studies presented are directed to managed realignment, coastal protection, climate change impacts, and offshore renewables. Key features: Gives a balanced review of this rich interdisciplinary area Bridges practical engineering and research Offers both large- and small-scale application Suits graduate students and researchers as well as consulting engineers Vanesa Magar is a senior researcher and associate professor at the Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE) in Baja California, Mexico. She was formerly a researcher and then a lecturer at Plymouth University, UK.

Mechanics of Coastal Sediment Transport

Mechanics of Coastal Sediment Transport PDF 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.

Modeling of Nearshore Hydrodynamics for Sediment Transport Calculations

Modeling of Nearshore Hydrodynamics for Sediment Transport Calculations PDF Author: David Gonzalez-Rodriguez (Ph. D.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 133

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Book Description
This thesis analyzes and improves Tajima's (2004) nearshore hydrodynamic model. Tajima's simple model accurately predicts long-shore sediment transport along long, straight beaches, while cross-shore transport predictions differ from observations. A better prediction of cross-shore transport requires improvement of the hydrodynamic model. We first contrast Tajima's model with other hydrodynamic models. To improve the characterization of incident waves, we examine a number of joint probability distributions of wave heights and periods. These distributions are then used to develop a probabilistic wave-by-wave hydrodynamic description based on Tajima's monochromatic wave model. We derive the model governing equations for the unsteady case and detail their numerical implementation. This unsteady model is applied to study the effect of a wave beat normally incident on a plane sloping beach. We use this case to illustrate the relevance of the unsteady generalization to sediment transport calculations.

Hydrodynamics, Sediment Transport, and Daily Morphological Development of a Bar-beach System

Hydrodynamics, Sediment Transport, and Daily Morphological Development of a Bar-beach System PDF Author: Felix C. J. Wolf
Publisher:
ISBN:
Category : Bars (Geomorphology)
Languages : en
Pages : 298

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Book Description


Advances in Coastal Modeling

Advances in Coastal Modeling PDF Author: V.C. Lakhan
Publisher: Elsevier
ISBN: 0080526640
Category : Science
Languages : en
Pages : 614

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Book Description
This book unifies and enhances the accessibility of contemporary scholarly research on advances in coastal modeling. A comprehensive spectrum of innovative models addresses the wide diversity and multifaceted aspects of coastal research on the complex natural processes, dynamics, interactions and responses of the coastal supersystem and its associated subsystems. The twenty-one chapters, contributed by internationally recognized coastal experts from fourteen countries, provide invaluable insights on the recent advances and present state-of-the-art knowledge on coastal models which are essential for not only illuminating the governing coastal process and various characteristics, but also for understanding and predicting the dynamics at work in the coastal system. One of the unique strengths of the book is the impressive and encompassing presentation of current functional and operational coastal models for all those concerned with and interested in the modeling of seas, oceans and coasts. In addition to chapters modeling the dynamic natural processes of waves, currents, circulatory flows and sediment transport there are also chapters that focus on the modeling of beaches, shorelines, tidal basins and shore platforms. The substantial scope of the book is further strengthened with chapters concentrating on the effects of coastal structures on nearshore flows, coastal water quality, coastal pollution, coastal ecological modeling, statistical data modeling, and coupling of coastal models with geographical information systems.

Physical Models And Laboratory Techniques In Coastal Engineering

Physical Models And Laboratory Techniques In Coastal Engineering PDF Author: Steven A Hughes
Publisher: World Scientific
ISBN: 9814502707
Category : Technology & Engineering
Languages : en
Pages : 586

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Book Description
Laboratory physical models are a valuable tool for coastal engineers. Physical models help us to understand the complex hydrodynamic processes occurring in the nearshore zone and they provide reliable and economic engineering design solutions.This book is about the art and science of physical modeling as applied in coastal engineering. The aim of the book is to consolidate and synthesize into a single text much of the knowledge about physical modeling that has been developed worldwide.This book was written to serve as a graduate-level text for a course in physical modeling or as a reference text for engineers and researchers engaged in physical modeling and laboratory experimentation. The first three chapters serve as an introduction to similitude and physical models, covering topics such as advantages and disadvantages of physical models, systems of units, dimensional analysis, types of similitude and various hydraulic similitude criteria applicable to coastal engineering models.Practical application of similitude principles to coastal engineering studies is covered in Chapter 4 (Hydrodynamic Models), Chapter 5 (Coastal Structure Models) and Chapter 6 (Sediment Transport Models). These chapters develop the appropriate similitude criteria, discuss inherent laboratory and scale effects and overview the technical literature pertaining to these types of models. The final two chapters focus on the related subjects of laboratory wave generation (Chapter 7) and measurement and analysis techniques (Chapter 8).

Sediment Transport in Coastal Waters

Sediment Transport in Coastal Waters PDF Author: Sylvain Ouillon
Publisher: MDPI
ISBN: 3038978442
Category : Science
Languages : en
Pages : 284

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Book Description
The interface of 440,000 km long coastline in the world is subject to global change, with an increasing human pressure (land use, buildings, sand mining, dredging) and increasing population. Improving our knowledge on involved mechanisms and sediment transport processes, monitoring the evolution of sedimentary stocks and anticipating changes in littoral and coastal zones is essential for this purpose. The special issue of Water on “Sediment transport in coastal waters” gathers thirteen papers which introduce the current revolution in the scientific research related to coastal and littoral hydrosedimentary dynamics, and reflect the diversity of concerns on which research in coastal sediment transport is based, and current trends — topics and preferred methods — to address them.

Environmental Hydraulics

Environmental Hydraulics PDF Author: Ioannis Tsanis
Publisher: Elsevier
ISBN: 0080467962
Category : Science
Languages : en
Pages : 369

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Book Description
Hydrodynamic and pollutant transport models are useful tools for evaluating remediation options for polluted water bodies. These models span the range from highly theoretical, fine resolution, physically-based designs to lumped, black-box representations of real world phenomena. This book examines the numerical approaches used in hydrodynamic and pollutant transport modeling. First, the theory and physical basis of transport and mixing in lakes and coastal waters are provided. Methodologies that use a three-dimensional (3D) approach to predicting the fate and transport of pollutants are presented and this is followed by a presentation of alternatives to 3D circulation modeling as well as new advances in the field. These alternatives offer near 3D accuracy but without the computational burden. Illustrations of the calibration and verification of these models using laboratory data, as well as, field data are also provided. The models are applied to a diverse array of study sites ranging from The Great Lakes in North America to the coastal areas of Northern Crete.*Presents the theory of hydrodynamic and pollutant transport modelling in lakes and coastal areas * Thoroughly examines the issues and limitations of the numerical approaches used in hydrodynamic and pollutant transport modelling* Demonstrates the calibration and verification of hydrodynamic and pollutant transport models using laboratory and field data