Hydrodynamics and Sediment Dynamics in a Receiving Basin for Sediment Diversion PDF Download
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Author: Guandong Li
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Guandong Li
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Bernd Westrich
Publisher: Springer Science & Business Media
ISBN: 3540347852
Category : Science
Languages : en
Pages : 463
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Book Description
This is the first interdisciplinary book on the mobilization of nutrients and pollutants in the water phase due to hydrodynamic processes. Coverage includes the formation of aggregates in turbulent water; flocks and biofilms from organic reactions; and the formation of new surfaces for re-adsorption of dissolved pollutants. The book gathers papers resulting from an International Symposium on Sediment Dynamics and Pollutant Mobility in River Basins in Hamburg, Germany, March, 2006.
Author: Silvia Susana Ginsberg
Publisher: IntechOpen
ISBN: 9789533071893
Category : Science
Languages : en
Pages : 348
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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: Daryl B. Simons
Publisher: Water Resources Publication
ISBN: 9780918334664
Category : Science
Languages : en
Pages : 928
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Book Description
Author: Andrew Manning
Publisher: BoD – Books on Demand
ISBN: 9533075864
Category : Science
Languages : en
Pages : 347
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Book Description
Sediment Transport in Aquatic Environments is a book which covers a wide range of topics. The effective management of many aquatic environments, requires a detailed understanding of sediment dynamics. This has both environmental and economic implications, especially where there is any anthropogenic involvement. Numerical models are often the tool used for predicting the transport and fate of sediment movement in these situations, as they can estimate the various spatial and temporal fluxes. However, the physical sedimentary processes can vary quite considerably depending upon whether the local sediments are fully cohesive, non-cohesive, or a mixture of both types. For this reason for more than half a century, scientists, engineers, hydrologists and mathematicians have all been continuing to conduct research into the many aspects which influence sediment transport. These issues range from processes such as erosion and deposition to how sediment process observations can be applied in sediment transport modeling frameworks. This book reports the findings from recent research in applied sediment transport which has been conducted in a wide range of aquatic environments. The research was carried out by researchers who specialize in the transport of sediments and related issues. I highly recommend this textbook to both scientists and engineers who deal with sediment transport issues.
Author: Arved J. Raudkivi
Publisher: CRC Press
ISBN: 1000099652
Category : Science
Languages : en
Pages : 177
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Book Description
This monograph provides the practising engineer with a concise overview of the methods of water diversion and exclusion or removal of sediment from the diverted water. The emphasis is on flow features and the associated conveyance of sediments.
Author: Kerry P. Black
Publisher:
ISBN: 9780908509218
Category : Ocean waves
Languages : en
Pages : 62
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Book Description
Author: Fuat Şentürk
Publisher:
ISBN: 9781887201599
Category : Channels (Hydraulic engineering)
Languages : en
Pages : 281
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Book Description
Author: Kerry P. Black
Publisher:
ISBN: 9780908509072
Category : Hydrodynamics
Languages : en
Pages : 229
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Book Description
Author: Anthony Poggioli
Publisher:
ISBN:
Category :
Languages : en
Pages : 120
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Book Description
This study presents a combination of numerical and analytical investigations of fluid and sediment transport mechanics through the river-ocean interface. This region is defined broadly as the region within the river that is influenced by the receiving basin--both the salinity and the oscillating and mean basin heights--as well as the portion of the river influenced by the presence of a distinct fluvial buoyant water mass. More narrowly, we consider in this study an atidal salt wedge, the upstream hydraulic transition zone in the unstratified river, and the near-field river plume. The first main chapter presents a hydraulic model of the salt wedge estuary in sloped and landward-converging channels. It is found that the non-dimensionalized intrusion length is a function of the freshwater Froude number, as noted in previous studies, as well as new parameters describing the channel geometry. Further, it is found that the primary geometric influence on the intrusion length is the channel bottom slope. Comparison to field data is given indicating that the influence of nonzero bottom slope may account for the discrepancy between observation and the canonical flat estuary theory (Schijf & Schönfeld 1953). Next, we link our hydraulic model of the salt wedge to a hydraulic model of the upstream river transition zone, which is influenced by the depth of the receiving basin and is not in normal flow. We add to this a parameterization of total sediment transport in the unstratified river (Engelund & Hansen 1967) and a newly developed hydraulic model of sediment transport in the salt wedge. The model retains the key mechanistic features of sediment transport in highly stratified estuaries and is ideal for morphodynamic applications. We find that the principle influence of the salt wedge is an increase in net deposition in the lower river and the introduction of a secondary maximum aggradation length scale in addition to the backwater length discussed in Chatanantavet et al. (2012). Finally, we present experimental simulations of the steady state estuary and river plume. The results of the estuary experiments quantify the influence of bottom slope on the reduction of sensitivity of intrusion length to river discharge and confirm the results of the hydraulic model. The plume experiments indicate that the plume transitions to a jet-like outflow for sufficiently large values of Ff in which the spreading rate is determined by lateral entrainment instead of the plume buoyancy and the liftoff is pushed far offshore. This transition is not gradual but rather step-like, being concentrated on one value (or a narrow band of values of) Ff. Both this critical value of Ff and the jet spreading rate depend crucially on the plume inflow aspect ratio. This jet-like behavior is anticipated to have crucial implications for delta progradation processes and the magnitude of sediment erosion in the lower river during flood events.
