Flood Routing Methods
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Flood Routing Methods
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Author : Vujica M. Yevjevich
language : en
Publisher:
Release Date : 1960
Flood Routing Methods written by Vujica M. Yevjevich and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Channels (Hydraulic engineering) categories.
Routing Of Floods Through River Channels
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Author :
language : en
Publisher:
Release Date : 1960
Routing Of Floods Through River Channels written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Flood routing categories.
Flood Routing In Ungauged Catchments Using Muskingum Methods
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Author : Mesfin H. Tewolde
language : en
Publisher: Universal-Publishers
Release Date : 2008-03-27
Flood Routing In Ungauged Catchments Using Muskingum Methods written by Mesfin H. Tewolde and has been published by Universal-Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-03-27 with categories.
River stage or flow rates are required for the design and evaluation of hydraulic structures. Most river reaches are ungauged and a methodology is needed to estimate the stages, or rates of flow, at specific locations in streams where no measurements are available. Flood routing techniques are utilised to estimate the stages, or rates of flow, in order to predict flood wave propagation along river reaches. Models can be developed for gauged catchments and their parameters related to physical characteristics such as slope, reach width, reach length so that the approach can be applied to ungauged catchments in the region. The objective of this study is to assess Muskingum-based methods for flow routing in ungauged river reaches, both with and without lateral inflows. Using observed data, the model parameters were calibrated to assess performance of the Muskingum flood routing procedures and the Muskingum-Cunge method was then assessed using catchment derived parameters for use in ungauged river reaches. The Muskingum parameters were derived from empirically estimated variables and variables estimated from assumed river cross-sections within the selected river reaches used. Three sub-catchments in the Thukela catchment in KwaZulu-Natal, South Africa were selected for analyses, with river lengths of 4, 21 and 54 km. The slopes of the river reaches and reach lengths were derived from a digital elevation model. Manning roughness coefficients were estimated from field observations. Flow variables such as velocity, hydraulic radius, wetted perimeters, flow depth and top flow width were determined from empirical equations and cross-sections of the selected rivers. Lateral inflows to long river reaches were estimated from the Saint-Venant equation. Observed events were extracted for each sub-catchment to assess the Muskingum-Cunge parameter estimation method and Three-parameter Muskingum method. The extracted events were further analysed using empirically estimated flow variables. The performances of the methods were evaluated by comparing both graphically and statistically the simulated and observed hydrographs. Sensitivity analyses were undertaken using three selected events and a 50% variation in selected input variables was used to identify sensitive variables. The performance of the calibrated Muskingum-Cunge flood routing method using observed hydrographs displayed acceptable results. Therefore, the Muskingum-Cunge flood routing method was applied in ungauged catchments, with variables estimated empirically. The results obtained shows that the computed outflow hydrographs generated using the Muskingum-Cunge method, with the empirically estimated variables and variables estimated from cross-sections of the selected rivers resulted in reasonably accurate computed outflow hydrographs with respect to peak discharge, timing of peak flow and volume. From this study, it is concluded that the Muskingum-Cunge method can be applied to route floods in ungauged catchments in the Thukela catchment and it is postulated that the method can be used to route floods in other ungauged rivers in South Africa.
Flood Prediction Techniques
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Author :
language : en
Publisher:
Release Date : 1957
Flood Prediction Techniques written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Flood damage prevention categories.
Comparative Analysis Of Flood Routing Methods
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Author : Theodor Strelkoff
language : en
Publisher:
Release Date : 1985
Comparative Analysis Of Flood Routing Methods written by Theodor Strelkoff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Flood routing categories.
Flood Forecasting Using Machine Learning Methods
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Author : Fi-John Chang
language : en
Publisher: MDPI
Release Date : 2019-02-28
Flood Forecasting Using Machine Learning Methods written by Fi-John Chang and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-28 with Technology & Engineering categories.
Nowadays, the degree and scale of flood hazards has been massively increasing as a result of the changing climate, and large-scale floods jeopardize lives and properties, causing great economic losses, in the inundation-prone areas of the world. Early flood warning systems are promising countermeasures against flood hazards and losses. A collaborative assessment according to multiple disciplines, comprising hydrology, remote sensing, and meteorology, of the magnitude and impacts of flood hazards on inundation areas significantly contributes to model the integrity and precision of flood forecasting. Methodologically oriented countermeasures against flood hazards may involve the forecasting of reservoir inflows, river flows, tropical cyclone tracks, and flooding at different lead times and/or scales. Analyses of impacts, risks, uncertainty, resilience, and scenarios coupled with policy-oriented suggestions will give information for flood hazard mitigation. Emerging advances in computing technologies coupled with big-data mining have boosted data-driven applications, among which Machine Learning technology, with its flexibility and scalability in pattern extraction, has modernized not only scientific thinking but also predictive applications. This book explores recent Machine Learning advances on flood forecast and management in a timely manner and presents interdisciplinary approaches to modelling the complexity of flood hazards-related issues, with contributions to integrative solutions from a local, regional or global perspective.
Decision Support Methods For Assessing Flood Risk And Vulnerability
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Author : Karmaoui, Ahmed
language : en
Publisher: IGI Global
Release Date : 2019-07-19
Decision Support Methods For Assessing Flood Risk And Vulnerability written by Karmaoui, Ahmed and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-19 with Technology & Engineering categories.
Each year, floods cause an enormous amount of global economic and social damage, impacting transportation systems, water supplies, agriculture, and health. Response management to catastrophic floods require increased measures involving integrated planning, adaptation, and recovery strategies in order to protect against human loss. Decision Support Methods for Assessing Flood Risk and Vulnerability is a pivotal reference source that provides vital research on the application of effective models and tools focused on the diagnosis of vulnerability to flooding risks and evaluates and measures the impact of floods on socio-economic wellbeing. While highlighting topics such as hydrological events, soil erosion, and flood vulnerability, this publication explores methods of identifying appropriate adaptation strategies. This book is ideally designed for researchers, students, academicians, policymakers, government officials, and technology developers seeking current empirical research findings to be used to improve the overall understanding of the flood phenomenon.
Advanced Dam Engineering For Design Construction And Rehabilitation
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Author : R.B. Jansen
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Advanced Dam Engineering For Design Construction And Rehabilitation written by R.B. Jansen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
The present state of the art of dam engineering has been ronmental, and political factors, which, though important, attained by a continuous search for new ideas and methods are covered in other publications. while incorporating the lessons of the past. In the last 20 The rapid progress in recent times has resulted from the years particularly there have been major innovations, due combined efforts of engineers and associated scientists, as largely to a concerted effort to blend the best of theory and exemplified by the authorities who have contributed to this practice. Accompanying these achievements, there has been book. These individuals have brought extensive knowledge a significant trend toward free interchange among the pro to the task, drawn from experience throughout the world. fessional disciplines, including open discussion of prob With the convergence of such distinguished talent, the op lems and their solutions. The inseparable relationships of portunity for accomplishment was substantial. I gratefully hydrology, geology, and seismology to engineering have acknowledge the generous cooperation of these writers, and been increasingly recognized in this field, where progress am indebted also to other persons and organizations that is founded on interdisciplinary cooperation. have allowed reference to their publications; and I have This book presents advances in dam engineering that attempted to acknowledge this obligation in the sections have been achieved in recent years or are under way. At where the material is used. These courtesies are deeply ap tention is given to practical aspects of design, construction, preciated.
Comparison Of Flood Routing Methods For Natural Rivers
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Author : Peter Erwin Weinmann
language : en
Publisher:
Release Date : 1977
Comparison Of Flood Routing Methods For Natural Rivers written by Peter Erwin Weinmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Flood routing categories.
Flood Studies Report Flood Routing Studies
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Author : Natural Environment Research Council (Great Britain)
language : en
Publisher:
Release Date : 1975
Flood Studies Report Flood Routing Studies written by Natural Environment Research Council (Great Britain) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Flood control categories.