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Author: I. G. Droppo Publisher: ISBN: Category : Languages : en Pages :
Book Description
"In the history of sediment transport research within hydrological sciences, there perhaps been no greater paradigm shift than that which has been provided by the identification of flocculation as a dominant mechanism operating within, and mediating, cohesive suspended sediment transport. Flocculation (the process of aggregating smaller particles together to form larger particles) significantly modifies the hydrodynamic properties of the sediment by altering their effective size, shape, density, porosity and composition. Such changes have a dramatic impact on the downward flux of sediments and as such influence the transportation and fate of suspended sediments"--Abstract.
Author: I. G. Droppo Publisher: ISBN: Category : Languages : en Pages :
Book Description
"In the history of sediment transport research within hydrological sciences, there perhaps been no greater paradigm shift than that which has been provided by the identification of flocculation as a dominant mechanism operating within, and mediating, cohesive suspended sediment transport. Flocculation (the process of aggregating smaller particles together to form larger particles) significantly modifies the hydrodynamic properties of the sediment by altering their effective size, shape, density, porosity and composition. Such changes have a dramatic impact on the downward flux of sediments and as such influence the transportation and fate of suspended sediments"--Abstract.
Author: Silvia Susana Ginsberg Publisher: BoD – Books on Demand ISBN: 9533071893 Category : Science Languages : en Pages : 350
Book Description
Sediment transport is a book that covers a wide variety of subject matters. It combines the personal and professional experience of the authors on solid particles transport and related problems, whose expertise is focused in aqueous systems and in laboratory flumes. This includes a series of chapters on hydrodynamics and their relationship with sediment transport and morphological development. The different contributions deal with issues such as the sediment transport modeling; sediment dynamics in stream confluence or river diversion, in meandering channels, at interconnected tidal channels system; changes in sediment transport under fine materials, cohesive materials and ice cover; environmental remediation of contaminated fine sediments. This is an invaluable interdisciplinary textbook and an important contribution to the sediment transport field. I strongly recommend this textbook to those in charge of conducting research on engineering issues or wishing to deal with equally important scientific problems.
Author: Doeke Eisma Publisher: Springer Science & Business Media ISBN: 3642777228 Category : Science Languages : en Pages : 337
Book Description
The purpose of this book is to give an introduction to the most important aspects of suspended matter in the aquatic environment: its origin and composition, the concentration distribution, transport and deposition, and the most important physical-chemical-bio logical process that affects suspended matter: flocculation. In Chap ter 1 the development of suspended matter observation and study throughout history is given, with the coming of a more modern approach during the 19th century and the first half of the 20th century, and the development of the present science of suspended matter after 1945. The sources of suspended matter in rivers, lakes, estuaries, and the sea are discussed in Chapter 2, which includes the supply of detrital particles as well as the formation of new particles in the water (organic matter, carbonate, opal). The concentration distribution of suspended matter in rivers, lakes, estuaries, tidal is discussed in Chapter 3, to which is areas, lagoons, and in the sea added a discussion on the sampling of suspended matter and on methods to determine its concentration. Particle composition is treated in Chapter 4, to which is added a section (4. 6) on the compositional analysis of suspended particles. Also included is a discussion on particle surface characteristics and the adsorption of elements and compounds onto particles.
Author: Emmanuel Partheniades Publisher: Butterworth-Heinemann ISBN: 0080877974 Category : Science Languages : en Pages : 375
Book Description
Control the impact of cohesive sediments on open channels by managing the effects of silt, clay and other sediments in harbors, estuaries and reservoirs. Cohesive Sediments in Open Channels provides you with a practical framework for understanding how cohesive sediments are transported, deposited and eroded. One of the first books to approach the subject from an engineering’s perspective, this book supplies insight into applying hydraulic design as well as understanding the behavior of cohesive sediments in a flow field. Properties and of the nature and the origin of the interparticle physicochemical forces The forces between clay particles and the process of flocculation Processes and dynamics of flocculation and the hydrodynamic behavior of cohesive sediments Transport processes of sediments by flowing water and related equations are first presented and explained Deposition and resuspension of beds deposited from suspension from flowing waters Engineering applications of the hydraulics of cohesive sediments
Author: Steven N. Liss Publisher: CRC Press ISBN: 0203485335 Category : Science Languages : en Pages : 464
Book Description
While new developments in genomics, nanotechnology, sampling, and modelling permit increasingly revealing investigation into flocculation structure and processes, there is still a fundamental lack of knowledge related to many aspects of this phenomenon. Presented by a prominent team of international experts, this text takes a unique perspective and melds together the natural and engineering fields of science as they relate to this central phenomenon. In doing so, the authors present the full range of sampling, handling, analytical, and interpretive options for operational management of natural or engineered system, providing comprehensive coverage that meets the needs of researchers, practitioners and students.
Author: I. G. Droppo Publisher: ISBN: Category : Flocculation Languages : en Pages : 0
Book Description
Fine-grained sediment flocculation is a phenomenon which is not fully understood in the freshwater fluvial environment. This study examined the suspended sediment characteristics of a southern Ontario river in order to determine the nature of flocculated suspended sediment and the factors which may influence it. It is the first research to quantify flocculation as the primary mode of transport for fine-grained mineral sediment in a river. As flocculation is known to alter the settling characteristics of particles, and potentially their ability to transport contaminants, there are important practical environmental consequences for flocculation in rivers.
Author: Publisher: ISBN: Category : Languages : en Pages : 17
Book Description
Fine-grained sediment flocculation is a phenomenon which is not fully understood in the freshwater fluvial environment. This study examined the suspended sediment characteristics of a southern Ontario river in order to determine the nature of flocculated suspended sediment and the factors which may influence it. It is the first research to quantify flocculation as the primary mode of transport for fine-grained mineral sediment in a river. As flocculation is known to alter the settling characteristics of particles, and potentially their ability to transport contaminants, there are important practical environmental consequences for flocculation in rivers.
Author: R. Douglas Evans Publisher: Springer Science & Business Media ISBN: 9401155526 Category : Technology & Engineering Languages : en Pages : 716
Book Description
Acknowledgements Conference Summary R. D. EVANS, A. PROVINI, J. S. MATIICE, B. T. HART and J. WISNIEWSKI/Interactions Between Sediments and Water: Summary of the 7th International Symposium 1-7 Sediment I Water Dynamics D. E. WALLING and W. HE /Investigating Spatial Patterns of Overbank Sedimentation on River Floodplains 9-20 R. JEPSEN, J. ROBERTS and W. LICK / Effects of Bulk Density on Sediment Erosion Rates 21-31 T. G. MILLIGAN and D. H. LORING / The Effect of Flocculation on the Size Distributions of Bottom Sediment in Coastal Inlets: Implications for Contaminant Transport 33-42 loG. DROPPO, G. G. LEPPARD, D. T. FLANNIGAN and S. N. LlSS / The Freshwater Floc: A Functional Relationship of Water and Organic and Inorganic Floc Constituents Affecting Suspended Sediment Properties 43-53 C. H. TSAI and J. Q. HU / Flocculation of Particles by Fluid Shear in Buffered Suspensions 55-62 P. M. STONE and D. E. WALLING / Particle Size Selectivity Considerations in Suspended Sediment Budget Investigations 63-70 Q. HE and D. E. WALLING / Spatial Variability of the Particle Size Composition of Overbank Floodplain Deposits 71-80 C. YEN and Y. LIN KEY / Variations of Bed Surface Sediment Size in a Channel Bend 81-88 M. STONE and B. G. KRISHNAPPAN / Transport Characteristics of Tile-Drain Sediments From an Agricultural Watershed 89-103 U. KERN and B. WESTRICH / Sediment Budget Analysis for River Reservoirs 105-112 A. I. PACKMAN, N. H. BROOKS and J. J.
Author: I. G. Droppo
Author: I. G. Droppo
Author: 
Author: John Mansell Phillips
Author: Silvia Susana Ginsberg
Author: Doeke Eisma
Author: Emmanuel Partheniades
Author: Steven N. Liss
Author: I. G. Droppo
Author: 
Author: R. Douglas Evans