Turbulent Exchange Of Fine Sediments In Tidal Flow
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Turbulent Exchange Of Fine Sediments In Tidal Flow
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Author : Ronald van der Ham
language : en
Publisher:
Release Date : 1999
Turbulent Exchange Of Fine Sediments In Tidal Flow written by Ronald van der Ham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Estuarine sediments categories.
Fine Sediment Dynamics In The Marine Environment
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Author : Johan C. Winterwerp
language : en
Publisher: Elsevier
Release Date : 2002-06-05
Fine Sediment Dynamics In The Marine Environment written by Johan C. Winterwerp and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-05 with Science categories.
Cohesive sediment, or mud, is encountered in most water bodies throughout the world. Often mud is a valuable resource, synonymous with fertile land, enriching the natural environment and used as an important building material. Yet mud also hinders navigation and consequently, dredging operations have been carried out since ancient times to safeguard navigation. Unfortunately, many mud deposits are now contaminated, endangering the eco-system and increasing the costs of dredging operations. The transport and fate of mud in the environment are still poorly understood and the need for basic research remains. This text contains the proceedings of the INTERCOH-2000 conference on progress in cohesive sediment research. It was the sixth in a series of conferences initially started by Professor Ashish Mehta in 1984 as a "Workshop on Cohesive Sediment Dynamics with Special Reference to the Processes in Estuaries". During these conferences the character of the first workshop has always been maintained, that is, small scale and dedicated to the physical and engineering aspects of cohesive sediments, without parallel sessions, but with ample time for discussions during and after the presentations, and followed by a book of proceedings containing thoroughly reviewed papers. INTERCOH-2000 was integrated with the final workshop of the COSINUS project. This project was carried out as a part of the European MAST-3 programme, and almost all European cohesive sediment workers were involved. INTERCOH-2000 focused on the behaviour and modelling of concentrated benthic suspensions, i.e. high-concentrated near-bed suspensions of cohesive sediment. Special attention was paid to: sediment - turbulence interaction; flocculation and settling velocity; high-concentrated mud suspensions; processes in the bed - consolidation; processes on the bed - erosion; field observations on mud dynamics; instrumentation; and numerical modelling.
Applied Mechanics Reviews
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Author :
language : en
Publisher:
Release Date : 2000
Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Mechanics, Applied categories.
Introduction To The Physics Of Cohesive Sediment Dynamics In The Marine Environment
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Author : Johan C. Winterwerp
language : en
Publisher: Elsevier
Release Date : 2004-08-20
Introduction To The Physics Of Cohesive Sediment Dynamics In The Marine Environment written by Johan C. Winterwerp and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-08-20 with Science categories.
This book is an introduction to the physical processes of cohesive sediment in the marine environment. It focuses on highly dynamic systems, such as estuaries and coastal seas. Processes on the continental shelf are also discussed and attention is given to the effects of chemistry, biology and gas.The process descriptions are based on hydrodynamic and soil mechanic principles, which integrate at the soil-water interface. This approach is substantiated through a classification scheme of sediment occurrences in which distinction is made between cohesive and granular material. Emphasis is also placed on the important interactions between turbulent flow and cohesive sediment suspensions, and on the impact of flow-induced forces on the stability of the seabed. An overview of literature on cohesive sediment dynamics is presented and a number of new developments are highlighted, in particular in relation to floc formation, settling and sedimentation, consolidation, bed failure and liquefaction and erosion of the bed. Moreover, it presents a summary on methods and techniques to measure the various sediment properties necessary to quantify the various parameters in the physical-mathematical model descriptions. A number of examples and case studies have been included.
Deposition Of Fine Sediments In Turbulent Flows
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Author : Emmanuel Partheniades
language : en
Publisher:
Release Date : 1971
Deposition Of Fine Sediments In Turbulent Flows written by Emmanuel Partheniades and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Sediment transport categories.
Deposition of fine cohesive sediments in a turbulent flow field was studied in a system of a rotating annular channel and ring. The percentage of the total sediment that a given flow can maintain in suspension depends only on the bed shear stress and is independent of the initial sediment concentration. The percentage (C) of the depositable sediment deposited at time t has been found to vary with time according to the law (C = alpha logt + beta), where the coefficient a is independent of the flow conditions and sediment concentration, while the coefficient b is a function of the bed shear stress only. Both a and b depend on the physiochemical properties of the sediment and the water environment. Deposition rates are proportional to the depositable sediment concentration and inversely proportional to time.
Fine Sediment In Open Water From Fundamentals To Modeling
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Author : Johan C Winterwerp
language : en
Publisher: World Scientific
Release Date : 2021-11-08
Fine Sediment In Open Water From Fundamentals To Modeling written by Johan C Winterwerp and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-08 with Technology & Engineering categories.
Fine Sediment in Open Water is mainly written for professional engineers working in estuaries and coastal systems. It provides the basis for a fundamental understanding of the physical, biological and chemical processes governing the transport and fate of fine sediment in open water and explains how this understanding can steer engineering studies with numerical models. This is a unique treatment of processes at a variety of spatial and temporal scales, from the micro-scale (colloid scale) to system-wide scales, and from intra-tidal time periods to decades.Beginning with the processes governing the transport and fate of fine sediment in shallow open water, the first eight chapters are dedicated to the hydrodynamic, soil mechanics and biological processes which determine fine sediment concentrations in the water column, in/on the bed and the exchange of sediment between bed and water column. The next two chapters treat the net fluxes of fine sediment as a function of asymmetries in forcing and sediment properties. These fundamental processes form the basis for the subsequent chapters on modeling in which the governing equations are presented, and tools are provided to aggregate and parameterize the various processes elaborated in the first eight chapters. Further, any numerical model study should be based on a conceptual model, as illustrated in the final five chapters, which provide examples of numerical modeling studies on the transport and fate of fine sediment in a coastal sea, an estuary, a tidal river, a lake, and around and within a harbor basin.Related Link(s)
Biogeochemical Dynamics At Major River Coastal Interfaces
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Author : Thomas Bianchi
language : en
Publisher: Cambridge University Press
Release Date : 2014
Biogeochemical Dynamics At Major River Coastal Interfaces written by Thomas Bianchi and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Science categories.
A comprehensive, state-of-the-art synthesis of biogeochemical dynamics and the impact of human alterations at major river-coastal interfaces for advanced students and researchers.
Coastal Sedimentary Environments
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Author : R.A. Jr. Davis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Coastal Sedimentary Environments written by R.A. Jr. Davis 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.
The zone where land and sea meet is composed of a variety of complex environments. The coastal areas of the world contain a large percentage of its population and are therefore of extreme economic importance. Industrial, residential, and recreational developments, as well as large urban complexes, occupy much of the coastal margin of most highly developed countries. Undoubtedly future expansion in many undeveloped maritime countries will also be concentrated on coastal areas. Accompanying our occupation of coasts in this age of technology is a dependence on coastal environments for transportation, food, water, defense, and recreation. In order to utilize the coastal zone to its capacity, and yet not plunder its resources, we must have extensive knowledge of the complex environments contained along the coasts. The many environments within the coastal zone include bays, estuaries, deltas, marshes, dunes, and beaches. A tremendously broad range of conditions is represented by these environments. Salinity may range from essentially fresh water in estuaries, such as along the east coast of the United States, to extreme hypersaline lagoons, such as Laguna Madre in Texas. Coastal environments may be in excess of a hundred meters deep (fjords) or may extend several meters above sea level in the form of dunes. Some coastal environments are well protected and are not subjected to high physical energy except for occasional storms, whereas beaches and tidal inlets are continuously modified by waves and currents.
Guidelines For The Assessment And Planning Of Estuarine Barrages
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Author : Neville Burt
language : en
Publisher: Thomas Telford
Release Date : 2001
Guidelines For The Assessment And Planning Of Estuarine Barrages written by Neville Burt and has been published by Thomas Telford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.
Based on research commissioned by DETR and the Environment Agency, Guidelines for the assessment and planning of estuarine barrages presents guidance on the planning, design, construction and operation of estuarine barrages. The development and operation of barrages have the potential to have a considerable impact on the existing estuarine environment. It is essential therefore that all environmental costs are taken into account and that alternative options that may satisfy the aspirations of the developer are fully considered.
Progress In Industrial Mathematics At Ecmi 2012
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Author : Magnus Fontes
language : en
Publisher: Springer
Release Date : 2014-05-14
Progress In Industrial Mathematics At Ecmi 2012 written by Magnus Fontes and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-14 with Mathematics categories.
This book contains the proceedings of the 17th European Conference on Mathematics for Industry, ECMI2012, held in Lund, Sweden, July 2012, at which ECMI celebrated its 25th anniversary. It covers mathematics in a wide range of applications and methods, from circuit and electromagnetic devices, environment, fibers, flow, medicine, robotics and automotive industry, further applications to methods and education. The book includes contributions from leading figures in business, science and academia that promote the application of mathematics to industry and emphasize industrial sectors that offer the most exciting opportunities. The contributions reinforce the role of mathematics as being a catalyst for innovation as well as an overarching resource for industry and business. The book features an accessible presentation of real-world problems in industry and finance, provides insight and tools for engineers and scientists who will help them to solve similar problems and offers modeling and simulation techniques that will provide mathematicians with a source of fresh ideas and inspiration.