A Mathematical Model For Flood Plain Sedimentation

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A Mathematical Model For Flood Plain Sedimentation

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Author : A. E. Lasarte
language : en
Publisher:
Release Date : 1989

A Mathematical Model For Flood Plain Sedimentation written by A. E. Lasarte and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.

Prediction Of The Effects Of A Flood Control Project On A Meandering Stream

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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1984

Prediction Of The Effects Of A Flood Control Project On A Meandering Stream written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Arkansas River categories.

The Arkansas River between Pueblo, Colorado, and John Martin Dam, a distance of about 125 river miles, is an alluvial, sand-bed river. It meanders between bluffs in a flood plain about one mile in width. During geologic time the downstream (eastern) portion of this reach has been migrating southward due to heavy sediment loads from northern tributaries. A local flood control project is being planned for the town of La Junta, which is in the downstream one-third of this reach. A study was undertaken to evaluate the future performance of various flood control alternatives with regard to channel stability, sediment movement, and project maintenance. The alternatives considered were various channel and levee configurations. Evaluations were based on both long-term (100-year period) and short-term (single flood event) hydrologic scenarios. The primary tool used in this study was the movable boundary mathematical model HEC-6 entitled 'Scour and Deposition in Rivers and Reservoirs.' The hydrologic and sediment regimes of the study reach are complex due to four tributaries and eleven major irrigation diversions. This paper describes development of representative data for the long-term analysis, operation of the model, calibration and simulation strategies employed, interpretation of model results, and computational aspects of this application.

Coupled Mathematical Modeling Of Sediment Transport During Dam Break Floods In Alluvial Rivers

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Author :
language : en
Publisher:
Release Date : 2005

Coupled Mathematical Modeling Of Sediment Transport During Dam Break Floods In Alluvial Rivers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

The propagation of a flood wave in a water-sediment system is investigated in this thesis. A refined nonlinear mathematical model composed of a fully coupled system of flow-sediment continuity and momentum equations and two closure formulas for sediment discharge and friction slope is proposed following a brief review of past work. Using the dimensional analysis, dominating variables in this problem are distinguished from dozens of flow and sediment properties in this flow-sediment system. Key dimensionless variables are identified and investigated. A matched asymptotic perturbation expansion is applied to explore the analytical solution of this model after a detailed introduction of the perturbation method. Layered solutions of wave and sediment concentration profiles are obtained downstream of an instantaneously released flood, which are composed of two distinct regions: an outer region where gravity and channel resistance dominate the flow, and a near wave shock region in which flow is controlled by convective inertia, pressure gradient, gravity and channel resistance. (Abstract shortened by UMI.).

Modelling Of Flood Propagation Over Initially Dry Areas

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Author : Paolo Molinaro
language : en
Publisher:
Release Date : 1994

Modelling Of Flood Propagation Over Initially Dry Areas written by Paolo Molinaro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Science categories.

This collection contains 26 papers on mathematical modelling of flood propagation over initially dry areas presented at a specialty conference, held in Milan, Italy, June 29-July 1, 1994.

Mathematical Flood Plain Modelling

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Author : H. W. Weiss
language : en
Publisher:
Release Date : 1976

Mathematical Flood Plain Modelling written by H. W. Weiss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Floodplains categories.

Flood Plain Management Water Quality Management Mathematical Models

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Author : Augustine O. Esogbue
language : en
Publisher:
Release Date : 1990

Flood Plain Management Water Quality Management Mathematical Models written by Augustine O. Esogbue and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Floodplain management categories.

Two Dimensional Floodplain Modeling

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Author : D. Michael Gee
language : en
Publisher:
Release Date : 1990

Two Dimensional Floodplain Modeling written by D. Michael Gee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Floodplain management categories.

A two-dimensional horizontal finite element numerical model (RMA-2) was applied to a 15 mile (24 km) river channel-floodplain reach in West Germany. Previous applications of such models have been restricted to much smaller scales. The results indicate that finite element schemes may successfully estimate river stage in large scale floodplain applications. Computed stage hydrographs compared well with observed data using loss coefficients within expected ranges. Two-dimensional flow models have been applied to certain classes of river channel problems. Applications have included detailed analyses of flow patterns near structures such as bridges and floodplains. In all these problems the scale of interest has been small, e.g. reaches of river a few river widths long. Many estuary studies have been done that were of large scale; some of these utilized a hybrid (numerical plus physical) modeling technique. In a review of the application of finite element methods to river channels, Samuels reported that the river channel was resolved separately from the floodplain in only two studies. Missing in previous work is attention to large scale floodplain modeling. The work reported in this paper focuses on the feasibility and accuracy of applying a two-dimensional flow model to a large floodplain. Traditional floodplain studies have used semi-empirical flow routing with steady, one-dimensional computation of water surface elevations to define inundated areas. Keywords: Army Corps of Engines. (kr).

Suite Of Mathematical Flood Plain Models

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Author : Heinz Willi Weiss
language : en
Publisher:
Release Date : 1980

Suite Of Mathematical Flood Plain Models written by Heinz Willi Weiss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

Treatise On Geomorphology

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Author :
language : en
Publisher: Academic Press
Release Date : 2013-02-27

Treatise On Geomorphology written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-27 with Science categories.

The changing focus and approach of geomorphic research suggests that the time is opportune for a summary of the state of discipline. The number of peer-reviewed papers published in geomorphic journals has grown steadily for more than two decades and, more importantly, the diversity of authors with respect to geographic location and disciplinary background (geography, geology, ecology, civil engineering, computer science, geographic information science, and others) has expanded dramatically. As more good minds are drawn to geomorphology, and the breadth of the peer-reviewed literature grows, an effective summary of contemporary geomorphic knowledge becomes increasingly difficult. The fourteen volumes of this Treatise on Geomorphology will provide an important reference for users from undergraduate students looking for term paper topics, to graduate students starting a literature review for their thesis work, and professionals seeking a concise summary of a particular topic. Information on the historical development of diverse topics within geomorphology provides context for ongoing research; discussion of research strategies, equipment, and field methods, laboratory experiments, and numerical simulations reflect the multiple approaches to understanding Earth’s surfaces; and summaries of outstanding research questions highlight future challenges and suggest productive new avenues for research. Our future ability to adapt to geomorphic changes in the critical zone very much hinges upon how well landform scientists comprehend the dynamics of Earth’s diverse surfaces. This Treatise on Geomorphology provides a useful synthesis of the state of the discipline, as well as highlighting productive research directions, that Educators and students/researchers will find useful. Geomorphology has advanced greatly in the last 10 years to become a very interdisciplinary field. Undergraduate students looking for term paper topics, to graduate students starting a literature review for their thesis work, and professionals seeking a concise summary of a particular topic will find the answers they need in this broad reference work which has been designed and written to accommodate their diverse backgrounds and levels of understanding Editor-in-Chief, Prof. J. F. Shroder of the University of Nebraska at Omaha, is past president of the QG&G section of the Geological Society of America and present Trustee of the GSA Foundation, while being well respected in the geomorphology research community and having won numerous awards in the field. A host of noted international geomorphologists have contributed state-of-the-art chapters to the work. Readers can be guaranteed that every chapter in this extensive work has been critically reviewed for consistency and accuracy by the World expert Volume Editors and by the Editor-in-Chief himself No other reference work exists in the area of Geomorphology that offers the breadth and depth of information contained in this 14-volume masterpiece. From the foundations and history of geomorphology through to geomorphological innovations and computer modelling, and the past and future states of landform science, no "stone" has been left unturned!

River Sedimentation

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Author : Silke Wieprecht
language : en
Publisher: CRC Press
Release Date : 2016-11-30

River Sedimentation written by Silke Wieprecht and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-30 with Science categories.

Sediment dynamics in fluvial systems is of great ecological, economic and human-health-related significance worldwide. Appropriate management strategies are therefore needed to limit maintenance costs as well as minimize potential hazards to the aquatic and adjacent environments. Human intervention, ranging from nutrient/pollutant release to physical modifications, has a large impact on sediment quantity and quality and thus on river morphology as well as on ecological functioning. Truly understanding sediment dynamics requires as a consequence a multidisciplinary approach.River Sedimentation contains the peer-reviewed scientific contributions presented at the 13th International Symposium on River Sedimentation (ISRS 2016, Stuttgart, Germany, 19-22 September 2016), and includes recent accomplishments in theoretical developments, numerical modelling, experimental laboratory work, field investigations and monitoring as well as management methodologies.