Modelling Uncertainty In Flood Forecasting Systems
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Modelling Uncertainty In Flood Forecasting Systems
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Author : Shreedhar Maskey
language : en
Publisher: CRC Press
Release Date : 2004-05-15
Modelling Uncertainty In Flood Forecasting Systems written by Shreedhar Maskey and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-15 with Science categories.
Like all natural hazards, flooding is a complex and inherently uncertain phenomenon. Despite advances in developing flood forecasting models and techniques, the uncertainty in forecasts remains unavoidable. This uncertainty needs to be acknowledged, and uncertainty estimation in flood forecasting provides a rational basis for risk-based
Modelling Uncertainty In Flood Forecasting Systems
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Author : Shreeda Maskey
language : en
Publisher: CRC Press
Release Date : 2004-11-23
Modelling Uncertainty In Flood Forecasting Systems written by Shreeda Maskey and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-11-23 with Science categories.
Like all natural hazards, flooding is a complex and inherently uncertain phenomenon. Despite advances in developing flood forecasting models and techniques, the uncertainty in forecasts remains unavoidable. This uncertainty needs to be acknowledged, and uncertainty estimation in flood forecasting provides a rational basis for risk-based criteria. This book presents the development and applications of various methods based on probablity and fuzzy set theories for modelling uncertainty in flood forecasting systems. In particular, it presents a methodology for uncertainty assessment using disaggregation of time series inputs in the framework of both the Monte Carlo method and the Fuzzy Extention Principle. It reports an improvement in the First Order Second Moment method, using second degree reconstruction, and derives qualitative scales for the interpretation of qualitative uncertainty. Application is to flood forecasting models for the Klodzko catchment in POland and the Loire River in France. Prospects for the hybrid techniques of uncertainty modelling and probability-possibility transformations are also explored and reported.
Modelling Uncertainty In Flood Forecasting Systems
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Author : Shreedhar Maskey
language : en
Publisher:
Release Date : 2004
Modelling Uncertainty In Flood Forecasting Systems written by Shreedhar Maskey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Flood forecasting categories.
Improving Flood Prediction Assimilating Uncertain Crowdsourced Data Into Hydrologic And Hydraulic Models
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Author : Maurizio Mazzoleni
language : en
Publisher: CRC Press
Release Date : 2017-03-16
Improving Flood Prediction Assimilating Uncertain Crowdsourced Data Into Hydrologic And Hydraulic Models written by Maurizio Mazzoleni and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-16 with Science categories.
In recent years, the continued technological advances have led to the spread of low-cost sensors and devices supporting crowdsourcing as a way to obtain observations of hydrological variables in a more distributed way than the classic static physical sensors. The main advantage of using these type of sensors is that they can be used not only by technicians but also by regular citizens. However, due to their relatively low reliability and varying accuracy in time and space, crowdsourced observations have not been widely integrated in hydrological and/or hydraulic models for flood forecasting applications. Instead, they have generally been used to validate model results against observations, in post-event analyses. This research aims to investigate the benefits of assimilating the crowdsourced observations, coming from a distributed network of heterogeneous physical and social (static and dynamic) sensors, within hydrological and hydraulic models, in order to improve flood forecasting. The results of this study demonstrate that crowdsourced observations can significantly improve flood prediction if properly integrated in hydrological and hydraulic models. This study provides technological support to citizen observatories of water, in which citizens not only can play an active role in information capturing, evaluation and communication, leading to improved model forecasts and better flood management.
Stochastic Flood Forecasting System
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Author : Renata J. Romanowicz
language : en
Publisher: Springer
Release Date : 2015-06-29
Stochastic Flood Forecasting System written by Renata J. Romanowicz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-29 with Science categories.
This book presents the novel formulation and development of a Stochastic Flood Forecasting System, using the Middle River Vistula basin in Poland as a case study. The system has a modular structure, including models describing the rainfall-runoff and snow-melt processes for tributary catchments and the transformation of a flood wave within the reach. The sensitivity and uncertainty analysis of the elements of the study system are performed at both the calibration and verification stages. The spatial and temporal variability of catchment land use and river flow regime based on analytical studies and measurements is presented. A lumped parameter approximation to the distributed modelling of river flow is developed for the purpose of flow forecasting. Control System based emulators (Hammerstein-Wiener models) are applied to on-line data assimilation. Medium-range probabilistic weather forecasts (ECMWF) and on-line observations of temperature, precipitation and water levels are used to prolong the forecast lead time. The potential end-users will also benefit from a description of social vulnerability to natural hazards in the study area.
Operational Flood Forecasting Warning And Response For Multi Scale Flood Risks In Developing Cities
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Author : María Carolina Rogelis
language : en
Publisher: CRC Press
Release Date : 2020-04-22
Operational Flood Forecasting Warning And Response For Multi Scale Flood Risks In Developing Cities written by María Carolina Rogelis and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-22 with Technology & Engineering categories.
The aim of this book is to contribute to understanding risk knowledge and to forecasting components of early flood warning, particularly in the environment of tropical high mountains in developing cities. This research covers a challenge, taking into account the persistent lack of data, limited resources and often complex climatic, hydrologic and hydraulic conditions. In this research, a regional method is proposed for assessing flash flood susceptibility and for identifying debris flow predisposition at the watershed scale. An indication of hazard is obtained from the flash flood susceptibility analysis and continually, the vulnerability and an indication of flood risk at watershed scale was obtained. Based on risk analyses, the research follows the modelling steps for flood forecasting development. Input precipitation is addressed in the environment of complex topography commonly found in mountainous tropical areas. A distributed model, a semi-distributed model and a lumped model were all used to simulate the discharges of a tropical high mountain basin with a páramo upper basin. Performance analysis and diagnostics were carried out in order to identify the most appropriate model for the study area for flood early warning. Finally, the Weather Research and Forecasting (WRF) model was used to explore the added value of numerical weather models for flood early warning in a páramo area.
Flood Forecasting And Hydraulic Structures
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Author : P. V. Timbadiya
language : en
Publisher: Springer Nature
Release Date : 2023-08-31
Flood Forecasting And Hydraulic Structures written by P. V. Timbadiya and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-31 with Science categories.
This book comprises the proceedings of the 26th International Conference on Hydraulics, Water Resources and Coastal Engineering (HYDRO 2021) focusing on broad spectrum of emerging opportunities and challenges in the field of flood forecasting and hydraulic structures. It covers a range of topics, including, but not limited to, early warning system, urban flood modelling and management, dam hazard classification, river training and protection works, structural and non-structural measures for flood mitigation, assessment and development of flood vulnerability, hazard and risk maps rehabilitation of old dams, streamflow turbines, canal operation and related structure, operation and management of dams including their instrumentation etc. Presenting recent advances in the form of illustrations, tables, and text, it offers readers insights for their own research. In addition, the book addresses fundamental concepts and studies in the field of flood forecasting and hydraulic structures, making it a valuable resource for both beginners and researchers wanting to further their understanding of hydraulics, water resources and coastal engineering.
Aquananotechnology
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Author : David E. Reisner
language : en
Publisher: CRC Press
Release Date : 2014-09-24
Aquananotechnology written by David E. Reisner and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-24 with Science categories.
The world’s fresh water supplies are dwindling rapidly—even wastewater is now considered an asset. By 2025, most of the world's population will be facing serious water stresses and shortages. Aquananotechnology: Global Prospects breaks new ground with its informative and innovative introduction of the application of nanotechnology to the remediation of contaminated water for drinking and industrial use. It provides a comprehensive overview, from a global perspective, of the latest research and developments in the use of nanotechnology for water purification and desalination methods. The book also covers approaches to remediation such as high surface area nanoscale media for adsorption of toxic species, UV treatment of pathogens, and regeneration of saturated media with applications in municipal water supplies, produced water from fracking, ballast water, and more. It also discusses membranes, desalination, sensing, engineered polymers, magnetic nanomaterials, electrospun nanofibers, photocatalysis, endocrine disruptors, and Al13 clusters. It explores physics-based phenomena such as subcritical water and cavitation-induced sonoluminescence, and fog harvesting. With contributions from experts in developed and developing countries, including those with severe contamination, such as China, India, and Pakistan, the book’s content spans a wide range of the subject areas that fall under the aquananotechnology banner, either squarely or tangentially. The book strongly emphasizes sorption media, with broad application to a myriad of contaminants—both geogenic and anthropogenic—keeping in mind that it is not enough for water to be potable, it must also be palatable.
Rainfall Runoff Modelling
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Author : Keith J. Beven
language : en
Publisher: John Wiley & Sons
Release Date : 2012-01-30
Rainfall Runoff Modelling written by Keith J. Beven and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-30 with Technology & Engineering categories.
Rainfall-Runoff Modelling: The Primer, Second Edition is the follow-up of this popular and authoritative text, first published in 2001. The book provides both a primer for the novice and detailed descriptions of techniques for more advanced practitioners, covering rainfall-runoff models and their practical applications. This new edition extends these aims to include additional chapters dealing with prediction in ungauged basins, predicting residence time distributions, predicting the impacts of change and the next generation of hydrological models. Giving a comprehensive summary of available techniques based on established practices and recent research the book offers a thorough and accessible overview of the area. Rainfall-Runoff Modelling: The Primer Second Edition focuses on predicting hydrographs using models based on data and on representations of hydrological process. Dealing with the history of the development of rainfall-runoff models, uncertainty in mode predictions, good and bad practice and ending with a look at how to predict future catchment hydrological responses this book provides an essential underpinning of rainfall-runoff modelling topics. Fully revised and updated version of this highly popular text Suitable for both novices in the area and for more advanced users and developers Written by a leading expert in the field Guide to internet sources for rainfall-runoff modelling software
Flood Risk Management In Europe
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Author : Selina Begum
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-06-17
Flood Risk Management In Europe written by Selina Begum 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 2007-06-17 with Science categories.
In recent years major floods have occurred across Europe causing serious damages and huge financial implications. Flood risk and vulnerability is increasing with increased frequency of occurrence of extreme events due to climate change, changes in land-use, encroachment into floodplains and increasing economic value of assets and businesses. Human lives, property, environment and socio-economics are at increasing risk due to flooding. Recent alarming events in Central Europe, UK and The Netherlands have provided renewed impetus to the development of improved policies and techniques for flood risk management across Europe. Sharing of knowledge and understanding of the practical problems, dilemmas and challenges will aid in the development and implementation of new technologies and strategies of the challenging issues of flood risk management in Europe. This valuable edition brings together 26 peer reviewed articles on technical, socio-economic, environmental and policy aspects of flood risk management. These articles contribute to the five sections with the general themes: i) flood risk management practice, ii) flood events and impacts, iii) flood analysis and modelling iv) flood forecasting and v) flood risk management policy. Some emerging technologies are presented and several future challenges are identified. Thus the book Flood Risk Management in Europe: Innovation in Policy and Practice with a multi-disciplinary combination of articles will form an excellent reference for the engineers, scientists, planners, policy-makers, researchers, insurance industry and all the practitioners involved in flood risk management, and its sub-disciplines in engineering, hydrology, environmental studies, coastal management, economics and public policy.