Coastal and Estuarine Fine Sediment Processes PDF Download
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Author: William H. McAnally
Publisher: Gulf Professional Publishing
ISBN: 9780444504630
Category : Medical
Languages : en
Pages : 546
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Book Description
Hardbound. The INTERCOH series of conferences bring together the world's leading researchers and practitioners in cohesive sediment transport processes to share recent insights. This book presents papers that examine the spectrum of fine sediment transport related science and engineering, including the basics and applications of flocculation, settling, deposition, and erosion, advanced numerical models used in engineering practice, and applications to mud flats and harbor siltation.
Author: William H. McAnally
Publisher: Gulf Professional Publishing
ISBN: 9780444504630
Category : Medical
Languages : en
Pages : 546
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Book Description
Hardbound. The INTERCOH series of conferences bring together the world's leading researchers and practitioners in cohesive sediment transport processes to share recent insights. This book presents papers that examine the spectrum of fine sediment transport related science and engineering, including the basics and applications of flocculation, settling, deposition, and erosion, advanced numerical models used in engineering practice, and applications to mud flats and harbor siltation.
Author: Thijs van Kessel
Publisher:
ISBN:
Category : Mud
Languages : en
Pages : 172
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Book Description
Siltation of harbours and coastal zones is often undesirable as it diminishes navigability. Besides, deposited mud is often polluted, because it specifically adsorbs contaminants from the water. For managers of harbours and coastal zones it is therefore important to know prior to execution whether planned projects will diminish or increase siltation. Theperformance of the current cohesive sedi¬ment transport models, which are being used as a tool for making predictions,is sometimes disappointing and therefore needs further improvement. The short¬comings are caused to a great extent by an insufficient knowledge of mechanisms underlying cohesive sediment transport.Of these mechanisms some are studied in this thesis, particularly the generation and transport of concentrated fluid mud layers near the sea bed. For thispurpose, first the material properties such as strength and viscosity of mud both in fluid form and solid form are determined, using rheological instruments and a miniature sounding probe. Subsequently, the liquefaction of deposited mud by waves is studied with laboratory experiments, as well as the resulting flow on a sloping bed caused by gravity. Mathematical models aiming at describing these phenomena are compared with the experiments. Finally, these modelsare used to evaluate the behaviour of mud under natural conditions. In support of this, also some field observations reported in the literature are analyzed.The conclusion is that mud layers that have been deposited under quiet conditionsmay suddenly become liquid under storm conditions and can subsequently be transported. The likelihood of this type of behaviour depends on the strength of the deposits, which is related to the degree of consolidation after deposition. Transport of fluid mud layers may result in sudden changes in bathymetry. Espe¬cially in navigation channels this phenomenon may occur, as flow of fluid mud on adjacent slopes is enhanced by gravity. This should be well taken into account when modelling. Rheological properties such as strength and viscosity should not be assumed to be constant, but should be set to be dependent on the actual stress condition and the stress history.
Author: Zhen-Gang Ji
Publisher: John Wiley & Sons
ISBN: 1119371929
Category : Technology & Engineering
Languages : en
Pages : 1153
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Book Description
The primary reference for the modeling of hydrodynamics and water quality in rivers, lake, estuaries, coastal waters, and wetlands This comprehensive text perfectly illustrates the principles, basic processes, mathematical descriptions, case studies, and practical applications associated with surface waters. It focuses on solving practical problems in rivers, lakes, estuaries, coastal waters, and wetlands. Most of the theories and technical approaches presented within have been implemented in mathematical models and applied to solve practical problems. Throughout the book, case studies are presented to demonstrate how the basic theories and technical approaches are implemented into models, and how these models are applied to solve practical environmental/water resources problems. This new edition of Hydrodynamics and Water Quality: Modeling Rivers, Lakes, and Estuaries has been updated with more than 40% new information. It features several new chapters, including one devoted to shallow water processes in wetlands as well as another focused on extreme value theory and environmental risk analysis. It is also supplemented with a new website that provides files needed for sample applications, such as source codes, executable codes, input files, output files, model manuals, reports, technical notes, and utility programs. This new edition of the book: Includes more than 120 new/updated figures and 450 references Covers state-of-the-art hydrodynamics, sediment transport, toxics fate and transport, and water quality in surface waters Provides essential and updated information on mathematical models Focuses on how to solve practical problems in surface waters—presenting basic theories and technical approaches so that mathematical models can be understood and applied to simulate processes in surface waters Hailed as “a great addition to any university library” by the Journal of the American Water Resources Association (July 2009), Hydrodynamics and Water Quality, Second Edition is an essential reference for practicing engineers, scientists, and water resource managers worldwide.
Author: W.H. McAnally
Publisher: Elsevier
ISBN: 0080529259
Category : Science
Languages : en
Pages : 540
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Book Description
The INTERCOH series of conferences bring together the world's leading researchers and practitioners in cohesive sediment transport processes to share recent insights. This book presents papers that examine the spectrum of fine sediment transport related science and engineering, including the basics and applications of flocculation, settling, deposition, and erosion, advanced numerical models used in engineering practice, and applications to mud flats and harbor siltation.
Author: T. Healy
Publisher: Elsevier
ISBN: 0080537073
Category : Science
Languages : en
Pages : 558
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Book Description
The SCOR (Scientific Committee on Ocean Research of ICSU) Working Group 106 was tasked with reviewing the geomorphic, sedimentary and oceanographic dynamics of muddy costs, assessing the impact of sea level rise on muddy coasts, especially in estuaries, and to recommend future research pathways relating to muddy coasts. This book addresses these questions and includes chapters on the research issues of muddy coasts, the definition of muddy coasts, sea level rise effects on muddy coasts, fundamental dynamic processes effecting muddy coast formation, the role of mangrove and salt marsh vegetation, bio-geochemistry of muddy coast deposits, storm surge effects on muddy coasts, human impacts on muddy coasts, and a detailed geographical review of muddy coasts of the world. The volume presents examples of muddy coasts sedimentation from many different environments of the world including the broad expanse muddy coast of China, muddy coasts of continental trailing edges (the Americas), muddy coasts in seasonally ice covered environments, muddy coasts in areas of tropical coral reefs, muddy coasts from the tropics, muddy coasts resulting from large river discharges, and muddy coasts of mid-latitude oceanic islands.
Author: B.W. Flemming
Publisher: Elsevier
ISBN: 0080537065
Category : Science
Languages : en
Pages : 309
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Book Description
Muddy coasts are land-sea transitional environments commonly found along low-energy shorelines which either receive large annual supplies of muddy sediments, or where unconsolidated muddy deposits are being eroded by wave action.In providing 21 case studies in different parts of the world this book provides an up-to-date review of the state of the art in muddy coast research. Issues dealing with hydrodynamics and suspended matter transport, erosion, deposition, and sediment budgets on tidal flats, primary production, nutrient fluxes and mineralization in lagoons are treated in a multi disciplinary manner. Most articles deal with issues which are of relevance with respect to global warming and future sea level rise.
Author: Andrew James Manning
Publisher: Frontiers Media SA
ISBN: 2832543774
Category : Science
Languages : en
Pages : 324
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Book Description
Author: V.P. Singh
Publisher: Springer Science & Business Media
ISBN: 9401586640
Category : Science
Languages : en
Pages : 423
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Book Description
Triggerd primarily byill effects of polluted air, soil and water resources on living species, public concern for environmental quality has been growing during the past four decades or so. One manifestation of this concern is found in occurrence of public debates as well as in the demand for full environmental impact assessment before a water-resources project is approved. Engineering soundness and economic feasibility are no longer sufficient criteria for construction of hydraulic works. As a result, environmental considerations have become very much a part of hydraulic analyses. In response to growing environmental concerns, the field of hydraulics has expanded and a new branch, called Environmental Hydraulics, has emerged. The focus of this branch is on hydraulic analyses of those environmental issues that are important for protection, restoration, and managementof environmental quality. The motivation for this book grew out of the desire to provide a hydraulic discussion of some of the key environmental issues.It is hoped that the book would serve to stimulate others to write more comprehensive texts on this subject of growing importance.
Author: P. A. Davies
Publisher: Oxford University Press
ISBN: 9780198500155
Category : Mathematics
Languages : en
Pages : 670
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Book Description
Stratified flows are important in determining how various atmospheric and environmental processes occur. The book investigates these processes and focuses on the methods by which pollutants are mixed and dispersed in natural and industrial environments.
Author: Philip L-f Liu
Publisher: World Scientific
ISBN: 9814501875
Category : Technology & Engineering
Languages : en
Pages : 327
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Book Description
The aim of this review series is to present critical commentaries on knowledge in the field of coastal and ocean engineering. Each article will review and illuminate the development of the scientific understanding of a specific engineering topic. Critical reviews on engineering designs and practices in different countries will also be included. The first volume of the review series is a collection of five papers reviewing a wide range of research topics in coastal engineering.The first paper, written by Yeh, discusses one of the fundamental issues concerning many fluid flow problems, namely, free surface boundary conditions. In the second paper, a survey on another boundary dynamics, the seafloor dynamics is presented. Foda reviews recent studies on the nonlinear wave energy transfer into the seabed and different modes of wave-induced sediment fluidization processes in cohesive as well as in noncohesive seabeds. Several issues concerning the interactions between sediment deposit and marine structures, such as pipeline and breakwater, are also briefly reviewed. One of the active research areas in modeling wave propagation is the construction of a unified model which is valid from deep water to shallow water. Liu discusses several existing models. The sediment movement in the surf zone is a complex system. It can usually be decomposed into the longshore and the cross-shore components. Dean focused his discussion on the cross-shore sediment transport process. In the last paper, van der Meer presents a comprehensive review of the design consideration for a rubble mound breakwater. Both hydraulic and structural responses are discussed. Design formulas and graphs are presented, which can be used for a conceptual design of rubble mount breakwater.
