Analysis And Modelling Of River Meandering

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Analysis and Modelling of River Meandering

Author : Alessandra Crosato
Publisher : IOS Press
ISBN 13 : 9781586039158
Total Pages : 272 pages
Book Rating : 4.0/5 (391 download)

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Book Synopsis Analysis and Modelling of River Meandering by : Alessandra Crosato

Download or read book Analysis and Modelling of River Meandering written by Alessandra Crosato and published by IOS Press. This book was released on 2008 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis examines the morphological changes of non-tidal meandering rivers at the spatial scale of several meanders. With this purpose, a physics-based mathematical model, MIANDRAS, has been developed for the simulation of the medium-term to long-term evolution of meandering rivers. Application to several real rivers shows that MIANDRAS can properly simulate both equilibrium river bed topography and planimetric changes. Three models of different complexity can be obtained by applying different degrees of simplification to the equations. These models, along with experimental tests and field data, constitute the tools for several analyses. At conditions of initiation of meandering, it is found that river bends can migrate upstream and downstream. This depends on meander wave length and width-to-depth ratio, irrespective of whether the parameters are in the subresonant or the superresonant range.

River Dynamics

Author : Bruce L. Rhoads
Publisher : Cambridge University Press
ISBN 13 : 1108173780
Total Pages : 544 pages
Book Rating : 4.1/5 (81 download)

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Book Synopsis River Dynamics by : Bruce L. Rhoads

Download or read book River Dynamics written by Bruce L. Rhoads and published by Cambridge University Press. This book was released on 2020-04-29 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rivers are important agents of change that shape the Earth's surface and evolve through time in response to fluctuations in climate and other environmental conditions. They are fundamental in landscape development, and essential for water supply, irrigation, and transportation. This book provides a comprehensive overview of the geomorphological processes that shape rivers and that produce change in the form of rivers. It explores how the dynamics of rivers are being affected by anthropogenic change, including climate change, dam construction, and modification of rivers for flood control and land drainage. It discusses how concern about environmental degradation of rivers has led to the emergence of management strategies to restore and naturalize these systems, and how river management techniques work best when coordinated with the natural dynamics of rivers. This textbook provides an excellent resource for students, researchers, and professionals in fluvial geomorphology, hydrology, river science, and environmental policy.

An Analytical Non Linear Model for River Meandering

Author : Giampiero Nobile
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (955 download)

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Book Synopsis An Analytical Non Linear Model for River Meandering by : Giampiero Nobile

Download or read book An Analytical Non Linear Model for River Meandering written by Giampiero Nobile and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fluvial Meanders and Their Sedimentary Products in the Rock Record (IAS SP 48)

Author : Massimiliano Ghinassi
Publisher : John Wiley & Sons
ISBN 13 : 1119424461
Total Pages : 602 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Fluvial Meanders and Their Sedimentary Products in the Rock Record (IAS SP 48) by : Massimiliano Ghinassi

Download or read book Fluvial Meanders and Their Sedimentary Products in the Rock Record (IAS SP 48) written by Massimiliano Ghinassi and published by John Wiley & Sons. This book was released on 2019-01-22 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sinuous form and peculiar evolution of meandering rivers has long captured the imagination of people. Today, meandering rivers exist in some of the most densely populated areas in the World, where they provide environmental and economic wealth and opportunities, as well as posing hazards. Through geological time, the ancestors of these modern meanders built deposits that are now host to mineral resources, groundwater, and hydrocarbons. This Special Publication illustrates the breadth of current research on meandering rivers and their deposits. The collection of research papers demonstrates the state of science on fluvial process–product relationships. The articles cover fundamental and applied studies of both modern and ancient rivers, are based on state-of-the-art technology, include complementary philosophical approaches, and span a wide range of spatial and temporal scales. This book includes some of the most recent advances in the study of the morphodynamics and sedimentology of meandering rivers, and is an important resource for those who want to investigate fluvial systems and their deposits.

River Meander Modeling and Confronting Uncertainty

Author :
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (873 download)

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Book Synopsis River Meander Modeling and Confronting Uncertainty by :

Download or read book River Meander Modeling and Confronting Uncertainty written by and published by . This book was released on 2011 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examines the meandering phenomenon as it occurs in media throughout terrestrial, glacial, atmospheric, and aquatic environments. Analysis of the minimum energy principle, along with theories of Coriolis forces (and random walks to explain the meandering phenomenon) found that these theories apply at different temporal and spatial scales. Coriolis forces might induce topological changes resulting in meandering planforms. The minimum energy principle might explain how these forces combine to limit the sinuosity to depth and width ratios that are common throughout various media. The study then compares the first order analytical solutions for flow field by Ikeda, et al. (1981) and Johannesson and Parker (1989b). Ikeda's et al. linear bank erosion model was implemented to predict the rate of bank erosion in which the bank erosion coefficient is treated as a stochastic variable that varies with physical properties of the bank (e.g., cohesiveness, stratigraphy, or vegetation density). The developed model was used to predict the evolution of meandering planforms. Then, the modeling results were analyzed and compared to the observed data. Since the migration of a meandering channel consists of downstream translation, lateral expansion, and downstream or upstream rotations several measures are formulated in order to determine which of the resulting planforms is closest to the experimental measured one. Results from the deterministic model highly depend on the calibrated erosion coefficient. Since field measurements are always limited, the stochastic model yielded more realistic predictions of meandering planform evolutions. Due to the random nature of bank erosion coefficient, the meandering planform evolution is a stochastic process that can only be accurately predicted by a stochastic model.

Mechanics and Modeling of River Meander Migration

Author : Eric Walsh Larsen
Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.:/5 (33 download)

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Book Synopsis Mechanics and Modeling of River Meander Migration by : Eric Walsh Larsen

Download or read book Mechanics and Modeling of River Meander Migration written by Eric Walsh Larsen and published by . This book was released on 1995 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Distributed Acoustic Sensing in Geophysics

Author : Yingping Li
Publisher : John Wiley & Sons
ISBN 13 : 1119521793
Total Pages : 324 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Distributed Acoustic Sensing in Geophysics by : Yingping Li

Download or read book Distributed Acoustic Sensing in Geophysics written by Yingping Li and published by John Wiley & Sons. This book was released on 2022-01-26 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive handbook on state-of-the-art DAS technology and applications Distributed Acoustic Sensing (DAS) is a technology that records sound and vibration signals along a fiber optic cable. Its advantages of high resolution, continuous, and real-time measurements mean that DAS systems have been rapidly adopted for a range of applications, including hazard mitigation, energy industries, geohydrology, environmental monitoring, and civil engineering. Distributed Acoustic Sensing in Geophysics: Methods and Applications presents experiences from both industry and academia on using DAS in a range of geophysical applications. Volume highlights include: DAS concepts, principles, and measurements Comprehensive review of the historical development of DAS and related technologies DAS applications in hydrocarbon, geothermal, and mining industries DAS applications in seismology DAS applications in environmental and shallow geophysics The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.

Theoretical Morphodynamics: River Meandering

Author : Giovanni Seminara
Publisher : Firenze University Press
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.2/5 (215 download)

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Book Synopsis Theoretical Morphodynamics: River Meandering by : Giovanni Seminara

Download or read book Theoretical Morphodynamics: River Meandering written by Giovanni Seminara and published by Firenze University Press. This book was released on 2024-04-05 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 Meandering

Author : Syunsuke Ikeda
Publisher :
ISBN 13 :
Total Pages : 512 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis River Meandering by : Syunsuke Ikeda

Download or read book River Meandering written by Syunsuke Ikeda and published by . This book was released on 1989 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:

River Meandering

Author : Charles Morelle Elliott
Publisher :
ISBN 13 :
Total Pages : 1062 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis River Meandering by : Charles Morelle Elliott

Download or read book River Meandering written by Charles Morelle Elliott and published by . This book was released on 1984 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection contains 91 papers on river behavior presented at Rivers '83, held in New Orleans, Louisiana, October 24-26, 1983.

Statistical Analysis of Meandering River Geometry

Author : Ting Pao Chang
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (721 download)

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Book Synopsis Statistical Analysis of Meandering River Geometry by : Ting Pao Chang

Download or read book Statistical Analysis of Meandering River Geometry written by Ting Pao Chang and published by . This book was released on 1969 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:

River Meanders

Author : Luna Bergere Leopold
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (221 download)

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Book Synopsis River Meanders by : Luna Bergere Leopold

Download or read book River Meanders written by Luna Bergere Leopold and published by . This book was released on 1964 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Laboratory Study of the Meandering of Alluvial Rivers

Author : United States. Mississippi River Commission
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Laboratory Study of the Meandering of Alluvial Rivers by : United States. Mississippi River Commission

Download or read book A Laboratory Study of the Meandering of Alluvial Rivers written by United States. Mississippi River Commission and published by . This book was released on 1945 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:

River Hydraulics

Author : Ramakar Jha
Publisher : Springer Nature
ISBN 13 : 3030817687
Total Pages : 459 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis River Hydraulics by : Ramakar Jha

Download or read book River Hydraulics written by Ramakar Jha and published by Springer Nature. This book was released on 2021-12-11 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents key principles of the hydraulics of river basins, with a unique focus on the interplay between stream flows and sediment transport. Addressing a number of basic topics related to the hydraulics of river systems, above all it emphasizes applicative aspects in order to provide the reader with a solid grasp of river engineering. The understanding of the river hydraulics is essential for the assessment of optimum locations for the conservation of water resources and its structures. This book will be interesting to readers and researchers working in the specialized area of river hydraulics of Ganga basin, Narmada, Tapi, Godavari, and other basins of India. It consists of review on hydraulics of meandering river; hydraulic design of reservoir in permeable pavement; optimization of hydraulic design; hydraulic investigations to optimize the design of spillway and design of energy dissipater; and analysis of performance of orifice spillway using computational fluid dynaics

Tools in Fluvial Geomorphology

Author : G. Mathias Kondolf
Publisher : John Wiley & Sons
ISBN 13 : 1118648560
Total Pages : 560 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Tools in Fluvial Geomorphology by : G. Mathias Kondolf

Download or read book Tools in Fluvial Geomorphology written by G. Mathias Kondolf and published by John Wiley & Sons. This book was released on 2016-04-28 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluvial Geomorphology studies the biophysical processes acting in rivers, and the sediment patterns and landforms resulting from them. It is a discipline of synthesis, with roots in geology, geography, and river engineering, and with strong interactions with allied fields such as ecology, engineering and landscape architecture. This book comprehensively reviews tools used in fluvial geomorphology, at a level suitable to guide the selection of research methods for a given question. Presenting an integrated approach to the interdisciplinary nature of the subject, it provides guidance for researchers and professionals on the tools available to answer questions on river restoration and management. Thoroughly updated since the first edition in 2003 by experts in their subfields, the book presents state-of-the-art tools that have revolutionized fluvial geomorphology in recent decades, such as physical and numerical modelling, remote sensing and GIS, new field techniques, advances in dating, tracking and sourcing, statistical approaches as well as more traditional methods such as the systems framework, stratigraphic analysis, form and flow characterisation and historical analysis. This book: Covers five main types of geomorphological questions and their associated tools: historical framework; spatial framework; chemical, physical and biological methods; analysis of processes and forms; and future understanding framework. Provides guidance on advantages and limitations of different tools for different applications, data sources, equipment and supplies needed, and case studies illustrating their application in an integrated perspective. It is an essential resource for researchers and professional geomorphologists, hydrologists, geologists, engineers, planners, and ecologists concerned with river management, conservation and restoration. It is a useful supplementary textbook for upper level undergraduate and graduate courses in Geography, Geology, Environmental Science, Civil and Environmental Engineering, and interdisciplinary courses in river management and restoration.

A Hydrograph-based Prediction of Meander Migration

Author : Wei Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis A Hydrograph-based Prediction of Meander Migration by : Wei Wang

Download or read book A Hydrograph-based Prediction of Meander Migration written by Wei Wang and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Meander migration is a process in which water flow erodes soil on one bank and deposits it on the opposite bank creating a gradual shift of the bank line over time. For bridges crossing such a river, the soil foundation of the abutments may be eroded away before the designed lifetime is reached. For highways parallel to and close to such a river, the whole road may be eaten away. This problem is costing millions of dollars to TxDOT in protection of affected bridges and highway embankments. This research is aimed at developing a methodology which will predict the possible migration of a meander considering the design life of bridges crossing it and highways parallel to it. The approaches we use are experimental tests, numerical simulation, modeling of migration, risk analysis, and development of a computer program. Experimental tests can simulate river flow in a controlled environment. Influential parameters can be chosen, adjusted, and varied systematically to quantify their influence on the problem. The role of numerical simulation is to model the flow field and the stress field at the soil-water interface. Migration modeling is intended to integrate the results of experimental tests and numerical simulations and to develop a model which can make predictions. The Hyperbolic Model is used and its two major components M[subscript]max equation and [tau][subscript]max equation are developed. Uncertainties in theparameters used for prediction make deterministic prediction less meaningful. Risk analysis is used to make the prediction based on a probabilistic approach. Hand calculation is too laborious to apply these procedures. Thus the development of a user friendly computer program is needed to automate the calculations. Experiments performed show that the Hyperbolic Model matches the test data well and is suitable for the prediction of meander migration. Based on analysis of shear stress data from numerical simulation, the [tau] [subscript]max equation was derived for the Hyperbolic Model. Extensive work on the simplification of river geometry produced a working solution. The geometry of river channels can be automatically simplified into arcs and straight lines. Future hydrograph is critical to risk analysis. Tens of thousands of hydrographs bearing the same statistical characteristics as in history can be generated. The final product that can be directly used, the MEANDER program, consists of 11,600 lines of code in C++ and 2,500 lines of code in Matlab, not including the part of risk analysis. The computer program is ready for practice engineers to make predictions based on the findings of this research.

Floodplain Processes

Author : Malcolm G. Anderson
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 686 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Floodplain Processes by : Malcolm G. Anderson

Download or read book Floodplain Processes written by Malcolm G. Anderson and published by John Wiley & Sons. This book was released on 1996-10-21 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: River floodplains represent a most important component of the environment. They play a critical role in the routing and storage of floodwaters and frequently represent unique and valuable habitats. Increasingly, such areas are under pressure form human activity in a wide variety of forms. This volume seeks to outline recent major research developments that have taken place in the study of floodplain processes. The chapters represent the results of recent engineering, geomorphological, hydrological, planning and other specialist developments. The book will contribute to research not only within the specialist research disciplines outlined, but also in the more interdisciplinary challenges facing river management.