Theoretical Morphodynamics Straight Channels
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Theoretical Morphodynamics Straight Channels
Author | : Giovanni Seminara,Stefano Lanzoni,Nicoletta Tambroni |
Publsiher | : Firenze University Press |
Total Pages | : 380 |
Release | : 2024-03-15 |
Genre | : Technology & Engineering |
ISBN | : 9791221502121 |
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This monograph presents the mechanistic foundations of the theory of Morhodynamics, a discipline that investigates the shape of the erodible boundary of natural water bodies. We focus on the fluvial Morphodynamics of straight erodible channels, providing the basis for subsequent extensions to meandering rivers (treated in the companion monograph 2 of this series) and braided rivers. We present basic notions on the Mechanics of Turbulent Flows and Sediment Transport in straight open channels with mobile beds. We then investigate their morphodynamic equilibrium and its instability, that leads to the formation of a variety of bedforms observed in natural rivers. In particular, fluvial bars will deserve special attention as the fundamental building block of large scale fluvial patterns.
Theoretical Morphodynamics River Meandering
Author | : Giovanni Seminara ,Stefano Lanzoni ,Nicoletta Tambroni |
Publsiher | : Firenze University Press |
Total Pages | : 260 |
Release | : 2024-04-05 |
Genre | : Technology & Engineering |
ISBN | : 9791221503029 |
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This monograph discusses the mechanics of Meandering Rivers with the help of the mathematical and modeling tools built up in the previous monograph of the same Authors (monograph 1 of the present series). After introducing the reader to the ubiquitous character of meandering streams, we discuss the hydrodynamics of curved channels with fixed beds and banks. Next, we extend the analysis to account for the mobile character of the bed and show that it gives rise to the alternate sequence of riffles and pools that characterize river meanders. Allowing for the erodible character of the river banks then allows to build up a rational theory of meander formation able to explain most of the features observed in nature: meander growth, migration, skewing, multiple loops, cutoffs and meander belts.
River Coastal and Estuarine Morphodynamics RCEM 2009 Two Volume Set
Author | : Carlos Vionnet,Marcelo H. Garcia,E.M. Latrubesse,G.M.E. Perillo |
Publsiher | : CRC Press |
Total Pages | : 1116 |
Release | : 2018-10-03 |
Genre | : Science |
ISBN | : 9781482266603 |
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Coastal, estuarine, fluvial and submarine morphodynamics encompass some of the leading processes shaping our planet. They stem mainly, but not only, from the interaction of water in motion and movable sediment boundaries, resulting in morphological changes produced by erosion, transport and deposition of sediments that generate a variety of landsca
The 8th Symposium on River Coastal and Estuarine Morphodynamics
Author | : Giovanni Coco,BELEN BLANCO |
Publsiher | : Ed. Universidad de Cantabria |
Total Pages | : 206 |
Release | : 2013-06 |
Genre | : Education |
ISBN | : 9788486116774 |
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Libro de abstracts del congreso celebrado en Santander en junio de 2013.
River Coastal and Estuarine Morphodynamics RCEM 2007 Two Volume Set
Author | : C. Marjolein Dohmen-Janssen,Suzanne J.M.H. Hulscher |
Publsiher | : CRC Press |
Total Pages | : 1271 |
Release | : 2019-08-22 |
Genre | : Technology & Engineering |
ISBN | : 9781439856567 |
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Around the world, many people live, work and recreate in river, estuarine and coastal areas, systems which are also important wildlife habitats. It is imperative to understand the physics of such systems. A key element here is morphodynamics: the mutual interaction and adjustment of landform topography and fluid dynamics involving the motion of sed
Shallow Flows
Author | : Gerhard H. Jirka,Wim S.J. Uijttewaal |
Publsiher | : Taylor & Francis |
Total Pages | : 684 |
Release | : 2004-09-15 |
Genre | : Science |
ISBN | : 9781135288426 |
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This text presents the key findings of the International Symposium held in Delft in 2003, which explored the process of shallow flows. Shallow flows are found in lowland rivers, lakes, estuaries, bays, coastal areas and in density-stratified atmospheres, and may be observed in puddles, as in oceans. They impact on the life and work of a wide variety of readers, who are here provided with a clear overview of the subject. Shallow flows are intrinsically turbulent. On one hand, there are strongly three-dimensional, small-scale turbulent motions and on the other hand, large-scale quasi-two-dimensional turbulence. This book explains and examines these differences and their effects with sections on transport processes in shallow flows; shallow jets, wakes and mixing layers; stratified and rotating flows in ocean and atmosphere; river and channel flows; and numerical modelling and turbulence closure techniques. The reader is provided with the pick of current studies and a fresh approach to the subject, with expert examination of a fascinating and crucial phenomenon of our world's water systems.
River Coastal and Estuarine Morphodynamics
Author | : Gary Parker,Marcelo H. Garcia |
Publsiher | : CRC Press |
Total Pages | : 1281 |
Release | : 2005-09-29 |
Genre | : Technology & Engineering |
ISBN | : 9781439833896 |
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The proceedings of the 4th Symposium on River, Coastal and Estuarine Morphodynamics offers the latest research results concerning quantitative modelling of the interaction of water and sediment and the shapes this interaction makes in rivers, watersheds, estuaries, the coast, the continental shelf and the deep sea. Morphodynamics is the study of the evolution of landscape and seascape features, from small scale to large.
River Flow 2006 Two Volume Set
Author | : Rui M.L. Ferreira,Elsa C.T.L. Alves,Joao G.A.B. Leal,Antonio H. Cardoso |
Publsiher | : CRC Press |
Total Pages | : 2304 |
Release | : 2006-09-14 |
Genre | : Science |
ISBN | : 9781439833865 |
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Rivers are complex entities. In addition to being valuable wildlife habitats, they support human activities by providing water for human usage, renewable energy and convenient transportation. Rivers may also pose threats to riverine communities, in the form of floods and other natural or man-induced hazards. Contemporary societies recognize their responsibility in ensuring the sustainable use of rivers and in preserving river’s intrinsic ecological and landscape values. This obligation is often in conflict with riverine economical exploitation and with risk management concerns. As a discipline, Fluvial Hydraulics makes a significant contribution to the development of strategies for sustainable river use by providing new modelling tools and engineering techniques based on advances in phenomenological understanding and in computational modelling. River Flow 2006 comprises the Proceedings of the third edition of the International Conference on Fluvial Hydraulics, organized under the auspices of the Fluvial Hydraulics Section of the International Association of Hydraulic Engineering and Research (IAHR). The book covers issues such as river hydrodynamics, morphodynamics and sediment transport. Other contributions describe interdisciplinary approaches and experiences, particularly regarding interfacial activities involving environmental sciences and information technologies. River Flow 2006 contains the most recent theoretical accomplishments, numerical developments, experimental investigations and field studies in Fluvial Hydraulics. It is an excellent resource for researchers, civil and environmental engineers, and practitioners in river-related disciplines.