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Author: Jia-Lin Chen Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Inlets and river mouths are among the most important coastal zones in terms of their economic, ecological and societal values. However, our current predictive capability on the hydrodynamics, sediment delivery and morphological evolution of inlets and river mouths remains qualitative. The overarching goal of this study is to enhance the physical understanding and model development of inlet/river mouth dynamics. The newly developed nearshore circulation model, SHORECIRC, using a hybrid finite-difference finite-volume TVD-type scheme, is coupled with the wave model SWAN and several sediment transport model. This new nearshore modeling system is called NearCoM-TVD. The capability and limitation of NearCoM-TVD for several coastal applications, including tidal inlet hydrodynamics, nearshore wave-current interaction and sandbar migration are evaluated.
Author: Jia-Lin Chen Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Inlets and river mouths are among the most important coastal zones in terms of their economic, ecological and societal values. However, our current predictive capability on the hydrodynamics, sediment delivery and morphological evolution of inlets and river mouths remains qualitative. The overarching goal of this study is to enhance the physical understanding and model development of inlet/river mouth dynamics. The newly developed nearshore circulation model, SHORECIRC, using a hybrid finite-difference finite-volume TVD-type scheme, is coupled with the wave model SWAN and several sediment transport model. This new nearshore modeling system is called NearCoM-TVD. The capability and limitation of NearCoM-TVD for several coastal applications, including tidal inlet hydrodynamics, nearshore wave-current interaction and sandbar migration are evaluated.
Author: David G. Aubrey Publisher: Springer Science & Business Media ISBN: 1475740573 Category : Science Languages : en Pages : 468
Book Description
Along much of the shoreline of the world, tidal inlets play an important role in nearshore processes, providing links between the coastal oceans and protected embayments. Their study is of particular importance not only for the understanding of fundamental processes in coastal oceanography but also for engineering and the proper management of the delicate equilibrium of our shorelines. This volume, based on the International Symposium on Hydrodynamics and Sediment Dynamics of Tidal Inlets held at Woods Hole, MA, presents the reader with an overview of contemporary research on these important features. The coverage includes: - mathematical modelling, including a review of inlet hydrodynamics, - observations on hydrodynamics, - sedimentology and morphology, - tidal deltas, - processes and policies pertaining to sedimentation, and the - impacts of shore protection and dredging in beaches.
Author: Vanesa Magar Publisher: CRC Press ISBN: 0429531591 Category : Science Languages : en Pages : 185
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.
Author: Carlos Vionnet Publisher: CRC Press ISBN: 1482266601 Category : Science Languages : en Pages : 1116
Book Description
Coastal, estuarine, fluvial and submarine morphodynamics encompass some of the leading processes shaping our planet. They stem mainly, but not only, from the interaction of water in motion and movable sediment boundaries, resulting in morphological changes produced by erosion, transport and deposition of sediments that generate a variety of landsca
Author: Adam Bezuijen Publisher: CRC Press ISBN: 9780415392709 Category : Technology & Engineering Languages : en Pages : 1306
Book Description
Following years of research, the first bored tunnel in soft soil in the Netherlands, the Tweede Heinenoord tunnel, was completed in 1998. Since then, Dutch engineers have increased their knowledge of soft soil tunnelling, with a significant and important part of this research being carried out by GeoDelft, the Dutch National Institute of Geo-Engineering. This book contains the most important publications by GeoDelft on the subject of soft soil tunnelling, focusing on the period from 1992 to the present, it is divided into four main headings: field measurements; grout behaviour; model testing; and numerical analysis. This impressive overview of the progress made in the Netherlands in soft soil tunnelling research over more than a decade is a valuable resource to those working in soft soil tunnelling worldwide.
Author: C. Marjolein Dohmen-Janssen Publisher: CRC Press ISBN: Category : Business & Economics Languages : en Pages : 710
Book Description
This book brings together contributions from some 200 scientists from more than 20 countries who present and discuss the latest scientific research developments on this topic. It is organized around the general themes of relations between scales and long-term morphodynamics such as biogeomorphology, small-scale processes and grain sorting, morphodynamic free behavior, human interferences in morphodynamics. The book provides an excellent overview of the state of the art knowledge on River, Coastal and Estuarine Morphodynamics and will be of interest to academics, engineers, planners, national and local authorities and all those involved in managing river, estuarine and coastal habitats.
Author: William R. Waldrop Publisher: ISBN: Category : Deltas Languages : en Pages : 168
Book Description
Three-dimensional flow processes of a river emptying into the sea were analyzed. The basic equations which were derived to describe this flow included the effects of buoyancy caused by density differences between fresh and salt water, inertia of river and coastal currents, and differences in hydrostatic head throughout the mixing region. Turbulence effects were included through an appropriate eddy viscosity model. Combinations of river stages and tidal currents were represented as systems of steady-state flow fields. A numerical procedure was developed and implemented on a digital computer for the solution of the equations. This numerical procedure is classified as an asymptotic time-dependent finite-difference technique but includes certain features of a relaxation technique. Computed flow fields were used to track a distribution of nominal particles representing the suspended load of the river as determined from field data. Deposition of these particles was primarily governed by convective processes and particle settling velocities, which included the effect of a local turbulence level. Deposition rates were used to compute deltaic growth. Results were compared to a delta for which experimental data were available. (Author).
Author: Jia-Lin Chen
Author: Jia-Lin Chen
Author: David G. Aubrey
Author: Vanesa Magar
Author: G. Seminara
Author: Carlos Vionnet
Author: Adam Bezuijen
Author: C. Marjolein Dohmen-Janssen
Author: William R. Waldrop
Author: 
Author: Daryl B. Simons