dynamics of estuarine muds

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Dynamics Of Estuarine Muds

Author : Richard Whitehouse
ISBN : 0727728644
Genre : Technology & Engineering
File Size : 27. 25 MB
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The ability to predict the movement of cohesive sediment within coastal, estuarine or inland waters has a significant economical and ecological importance in the development of new engineerng works and the maintenance of existing installations. This book covers the main processes of cohesive sediment behaviour, namely, erosion, transport, deposition and consolidation. Sub-sections are given on Knowledge and Procedure where possible. The Knowledge section presents data intended to show the practising engineer which parameters are important in each of the above processes. The Procedure section gives practical methods for estimating the rates of erosion, transport, deposition and consolidation based on knowledge of the site conditions. A companion volume to Dynamics of Marine Sands, this book is aimed at the practising engineer who is involved in coastal, estuarine or inland water construction work.

Estuarine And Coastal Fine Sediment Dynamics

Author : Jerome Maa
ISBN : 9780080464695
Genre : Science
File Size : 24. 10 MB
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This volume is the product of the International Conference on Cohesive Sediment Transport (INTERCOH 2003) held at the Virginia Institute of Marine Science, U.S.A., during October 1-4, 2003. The topics included in this monograph range from basic research on cohesive sediment dynamics to practical applications. Also included with this book is a database that contains all experimental results as well as a comparison of numerical simulation results supported by the COSINUS project. * Provides fundamental knowledge of the dynamics of cohesive sediments * Presents practical applications of new finds on sedimentary processes * Includes valuable ready-for-use data

Fine Sediment Dynamics In The Marine Environment

Author : Johan C. Winterwerp
ISBN : 0080531660
Genre : Science
File Size : 61. 9 MB
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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.

Coastal And Estuarine Sediment Dynamics

Author : Keith R. Dyer
ISBN : UCSD:31822002229896
Genre : Science
File Size : 32. 71 MB
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Covers the movement of mud, sand, and gravel on the continental shelf in the nearshore zone, on beaches, and in estuaries. A multi-disciplinary treatment integrating marine geology, oceanography, and engineering. Presents concepts in engineering sediment distribution patterns that improve the prediction of erosion and deposition rates. Reviews background material as well as the results of recent research.

Estuarine Cohesive Sediment Dynamics

Author : Ashish J. Mehta
ISBN : 9781461249368
Genre : Science
File Size : 76. 9 MB
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The background for the Workshop on Cohesive Sediment Dynamics - . !!!!!. Special Reference to Physical Processes in Estuaries is briefly outlined in Chapter I. Here I wish to acknowledge those whose support I consider to be pivotal to this under taking. My deepest appreciation goes to Cynthia Vey, whose organizational skills and dedicated effort made the completion of this volume possible. Thanks are also due to Gail Terry for workshop organization, Jean Branson for word processing and Lillean Pieter for helping with drawings. Finally, I must express my sincere appreciation to Arthur Ezra 9f the National Science Foundation for providing support (through Grant No. CEE-8401185) for the workshop, and to Hsiang Wang for depart mental encouragement. With deepest regret, I must note the untimely death of Ranjan Ariathurai, 39, on June 5, 1985, before this volume could be published. He was a guiding force to many within the small group of researchers in cohesive sediment dynamics, and his professional brilliance and inspirational personal qualities constituted the true spirit . behind the workshop. I trust this volume will serve, albeit in a small way, as a fitting memory to this spirit, and to the remarkable professional contributions Ranjan made during his short career. Professor Ray B. Krone Professor Emmanuel Partheniades Department of Civil Engineering Department of Engineering Sciences University of California University of Florida Davis, California Gainesville, Florida TABLE OF CONTENTS CHAPTER PAGE I. INTRODUCTION Ashish J. Mehta •••••••••••••••••••••••••••••••••••••••••••••••••••• 1 II.

Estuarine Ecohydrology

Author : Eric Wolanski
ISBN : 9780444634146
Genre : Science
File Size : 57. 41 MB
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Estuarine Ecohydrology, Second Edition, provides an ecohydrology viewpoint of an estuary as an ecosystem by focusing on its principal components, the river, the estuarine waters, the sediment, the nutrients, the wetlands, the oceanic influence, and the aquatic food web, as well as models of the health of an estuary ecosystem. Estuaries, the intersection of freshwater and coastal ecosystems, exhibit complex physical and biological processes which must be understood in order to sustain and restore them when necessary. This book demonstrates how, based on an understanding of the processes controlling estuarine ecosystem health, one can quantify its ability to cope with human stresses. The theories, models, and real-world solutions presented serve as a toolkit for designing a management plan for the ecologically sustainable development of estuaries. Provides a sound knowledge of the physical functioning of an estuary, a critical component of understanding its ecological functioning Ideal reference for those interested in marine biology, oceanography, coastal management, and sustainable development Describes the essentials behind conceptual and numerical models of the health of an estuary ecosystem and how to use these models to quantify both human impacts and the value of remediation and management measures Chapters are written in an accessible way that encourages collaboration between aquatic, marine, and wetland biologists, ecologists, oceanographers, geologists, geomorphologists, chemists, and ecosystem modelers Covers the physical, chemical, and biological elements of estuary environments, indicating that the essence of an estuary’s functioning lies in its connectivity with the adjacent catchment and the marine/coastal system

Dynamics Of Marine Sands

Author : Richard Soulsby
ISBN : 072772584X
Genre : Technology & Engineering
File Size : 39. 7 MB
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The practical engineer looking for an urgent solution to a sediment-related project often finds that the results of the relevant academic research are published in unfamiliar language in publications that are not easily available. Dynamics of marine sands bridges the gap between academic research and practical applications by summarising the research results in a unified form, backed up with worked examples and case studies. This comprehensive new book presents methods for calculating the various hydrodynamic and sediment dynamic quantities necessary for marine sediment transport applications, and recommends the most appropriate methods to use for engineering projects.

Estuarine Processes

Author : Martin Wiley
ISBN : 9781483265421
Genre : Science
File Size : 60. 15 MB
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Estuarine Processes, Volume II: Circulation, Sediments, and Transfer of Material in the Estuary provides information pertinent to estuarine processes and focuses on dynamic interactions at several levels of organization. This book describes the effects of physical alterations on estuarial hydraulics, dissolved and particulate material support, and on aquatic biota. Organized into six parts encompassing 27 chapters, this volume begins with an overview of the historic changes in salinity balance in the estuarial zone of the Sacramento-San Joaquin Delta. This text then reviews the effect of enlargement of artificial waterway of the Chesapeake and Delaware Canal, which has resulted in substantial alterations of the physical hydrography, biotic populations and chemical environment of the canal and its approaches. Other chapters consider the elements in a mathematical model for estuarial sediment transport. This book discusses as well sediment transport rates in coastal waters. The final chapter deals with accurate estimates of fish abundance for models of many estuarine processes. This book is a valuable resource for ecologists, environmentalists, and scientists.

Coastal And Estuarine Fine Sediment Processes

Author : W.H. McAnally
ISBN : 9780080529257
Genre : Science
File Size : 81. 35 MB
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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.

Physical Processes In Estuaries

Author : Job Dronkers
ISBN : 9783642736919
Genre : Science
File Size : 48. 23 MB
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In Physical Processes in Estuaries the present day knowledge of the physics of transport phenomena in estuaries and their mathematical treatment is summarized: It is divided into following parts: - Water movements in estuaries - Estuarine fronts and river plumes - Internal waves and interface stability - Fine sediment transport, aggregation of particles, settling velocity of mud flocs - Sedimentation and erosion of fine sediments. For each topic an up-to-date review and recommendations for future research are given, followed by results of original studies. Since estuarine environments are the first to be threatened by urbanization and industrial exploitation this book is an important tool for students and researchers of environmental problems as well as for consultants and water authorities.

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