Stakeholder Oriented Optimization Of A Flood Warning System
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Stakeholder Oriented Optimization Of A Flood Warning System
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Author : Laura Brasco Carrera
language : en
Publisher:
Release Date : 2012
Stakeholder Oriented Optimization Of A Flood Warning System written by Laura Brasco Carrera and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
This MSc Thesis is part of the Project "Desarrollo e Implementación del SAT-Beni". The project aims to minimize the adverse effects of floods in the region of Beni through the development and implementation of an Early Warning System based on modelling and hydrologic simulation and transferring these technologies to the appropriate Bolivian institutions. The specific objective of this MSc Thesis is to provide some specifications for improvements to the existing flood Early Warning System based on the interest and needs of the stakeholders involved as identified by themselves and that are feasible with the available technology. Monitoring and forecasting acquire significant relevance within the new Early Warning System that will be developed and implemented in the region of Beni. However, the development of the new flood Early Warning System does also consider as relevant the warning dissemination and communication, as well as, the emergency preparation and response. The research was carried out using data collected during Interviews with experts and inhabitants who have experience of floods in the region. A review of literature on the topic was made and discussions with Deltares staff were held to analyze the existing flood Early Warning System. Field research shows a variety of optimal lead times at which forecasts are required. Stakeholders considered to be relevant in the analysis as their different needs will impact on the design of the future warning system include: disaster management agencies, national and local governments, businesses, inhabitants local to the area studied and disadvantaged minorities. Whilst studying the existing system important lacks in the monitoring network in terms of O&M, personnel, equipment and coordination have been identified. The warning information dissemination network includes several organizations and various communication technologies which are used to warn, such as radio, TV, mobile and conventional phones, door knocking, etc. However, due to a huge number of people who do not receive any warning information, loudhailers and sirens need to be encouraged. Results of the research confirm that the effectiveness of warning messages depends on a large number of factors including accuracy, reliability, credibility, that they reach the right target recipients and that they are timely. In addition the individual and agency that disseminates the warning has a tremendous impact on the success of the message. In terms of flood responses, saving family members, household goods and livestock are the main activities carried out by ranchers and citizens. Farmers, however, frequently do not take any preventative action in order to save their crops. Risk awareness which includes the visibility of floods and prior experience has been identified as the main factor that influences the type of flood response taken and people's perceptions of imminent danger.
Determining The Optimal River Gauge Location For A Flood Early Warning System In Uganda Using Hec Ras And Ahp
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Author : Joyce Cheung (M. Eng)
language : en
Publisher:
Release Date : 2014
Determining The Optimal River Gauge Location For A Flood Early Warning System In Uganda Using Hec Ras And Ahp written by Joyce Cheung (M. Eng) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Flooding of the Manafwa River in Eastern Uganda causes significant damage in the district of Butaleja, and often occurs without advance warning. In 2012, the American Red Cross in Uganda requested MIT to develop a flood early warning system (FEWS) that can be used to expedite disaster response in the event of imminent flooding. A minimum flood warning lead time of 2 hours was requested by the American Red Cross. Although there is an existing river gauge situated upstream of Butaleja, at Busiu Bridge, it was not known whether flood warning thresholds from Busiu Bridge could provide an adequate lead time for emergency responses to reach Butaleja. The purpose of this study was therefore (1) to determine the travel time for a flood wave to reach an area of interest in Butaleja (defined by the Red Cross) from Busiu Bridge, (2) to determine the water level at Busiu Bridge that corresponds to subsequent overbank discharge in that region of Butaleja, and (3) to use the Analytic Hierarchy Process (AHP) to integrate stakeholder input with hydrologic and hydraulic modeling results in order to determine the optimal location for an additional river gauge on the Manafwa River upstream of the current gauge at Busiu Bridge. The hydraulic model HEC-RAS was used to simulate the flow of the Manafwa River through Butaleja. Based on flow data from a storm event in 2006 when precipitation was fairly widespread across the watershed, the HEC-RAS results indicated that the travel time for a flood wave at Busiu Bridge to reach Butaleja is 3.4 hours, which provides sufficient warning based upon the Red Cross criteria. It was determined that if the stage at Busiu Bridge reaches 1.90 m, over 70% of the river in the defined area of interest in Butaleja will experience bank-full stage and overbank discharge 3.4 hours later. Given a precipitation event concentrated in the Bududa highlands, the flood wave travel time can diminish to 2.5 hrs if incoming flows increase; therefore upstream gauges were considered to support the gauge at Busiu Bridge. Hydrologic analyses performed by Kaatz (2014) suggested that upstream gauges can be adequately used to forecast floods provided that the precipitation and river conditions are suitable for a slow-moving flood wave. By integrating the hydrologic and hydraulic analyses with stakeholder input, installing another river gauge upstream of Busiu Bridge at the Bridge near Bubulo Red Cross (BBRC) would provide additional accuracy and lead time for the flood early warning system. Water level monitoring efforts implemented in Butaleja would validate modeled flooding thresholds reported here.
Flood Risk And Resilience
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Author : Guangtao Fu
language : en
Publisher: MDPI
Release Date : 2021-01-06
Flood Risk And Resilience written by Guangtao Fu and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-06 with Technology & Engineering categories.
Flooding is widely recognized as a global threat, due to the extent and magnitude of damage it causes around the world each year. Reducing flood risk and improving flood resilience are two closely related aspects of flood management. This book presents the latest advances in flood risk and resilience management on the following themes: hazard and risk analysis, flood behaviour analysis, assessment frameworks and metrics and intervention strategies. It can help the reader to understand the current challenges in flood management and the development of sustainable flood management interventions to reduce the social, economic and environmental consequences from flooding.
Modern Optimization Methods For Decision Making Under Risk And Uncertainty
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Author : Alexei A. Gaivoronski
language : en
Publisher: CRC Press
Release Date : 2023-10-06
Modern Optimization Methods For Decision Making Under Risk And Uncertainty written by Alexei A. Gaivoronski and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-06 with Computers categories.
The book comprises original articles on topical issues of risk theory, rational decision making, statistical decisions, and control of stochastic systems. The articles are the outcome of a series international projects involving the leading scholars in the field of modern stochastic optimization and decision making. The structure of stochastic optimization solvers is described. The solvers in general implement stochastic quasi-gradient methods for optimization and identification of complex nonlinear models. These models constitute an important methodology for finding optimal decisions under risk and uncertainty. While a large part of current approaches towards optimization under uncertainty stems from linear programming (LP) and often results in large LPs of special structure, stochastic quasi-gradient methods confront nonlinearities directly without need of linearization. This makes them an appropriate tool for solving complex nonlinear problems, concurrent optimization and simulation models, and equilibrium situations of different types, for instance, Nash or Stackelberg equilibrium situations. The solver finds the equilibrium solution when the optimization model describes the system with several actors. The solver is parallelizable, performing several simulation threads in parallel. It is capable of solving stochastic optimization problems, finding stochastic Nash equilibria, and of composite stochastic bilevel problems where each level may require the solution of stochastic optimization problem or finding Nash equilibrium. Several complex examples with applications to water resources management, energy markets, pricing of services on social networks are provided. In the case of power system, regulator makes decision on the final expansion plan, considering the strategic behavior of regulated companies and coordinating the interests of different economic entities. Such a plan can be an equilibrium − a planned decision where a company cannot increase its expected gain unilaterally.
Floods In A Changing Climate
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Author : Slobodan P. Simonović
language : en
Publisher: Cambridge University Press
Release Date : 2012-11-22
Floods In A Changing Climate written by Slobodan P. Simonović and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-22 with Science categories.
Provides a flood risk-management framework for identifying and assessing climate-related risks and developing adaptation responses, for academic researchers and professionals.
Research Handbook On Flood Risk Management
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Author : Jessica Lamond
language : en
Publisher: Edward Elgar Publishing
Release Date : 2024-04-12
Research Handbook On Flood Risk Management written by Jessica Lamond and has been published by Edward Elgar Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-12 with Technology & Engineering categories.
Pushing the boundaries of flood risk management research, this comprehensive Research Handbook presents pragmatic insights into all areas relating to flood risk. Through its use of dynamic and people-centred paradigms, it explores urban flood management within localities, properties, neighbourhoods and cities.
Simulation And Optimization Methods In Risk And Reliability Theory
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Author : Pavel Solomonovich Knopov
language : en
Publisher:
Release Date : 2009
Simulation And Optimization Methods In Risk And Reliability Theory written by Pavel Solomonovich Knopov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Business & Economics categories.
This book introduces recent advances in the area of risk estimation in complex systems. The authors study new methods of accelerated modelling, asymptotical analysis and optimal estimating. The processes are modelled using large failure trees, the methodology of fuzzy sets, bayesians, methods of stochastic optimisation, and optimal models of equipment service and control. The authors suggest applying numerical methods for analysis of super-large failure trees having large amount of multiple vertices. The methods allow finding minimal sections and reducing the amount of time necessary for such calculations. The Bayesians theory is applied under conditions of uncertainty. The methods of finding robust parameter estimates for the most commonly used classes of a priori distribution functions are suggested. As an alternative approach to stochastic methods the authors propose the algorithums of critical stats estimation for the reactor's active zone that utilise the theory of fuzzy logic.
Water And Urban Development Paradigms
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Author : Jan Feyen
language : en
Publisher: CRC Press
Release Date : 2008-09-03
Water And Urban Development Paradigms written by Jan Feyen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-03 with Science categories.
Communication across and integration of disciplines in the urban-water sector seems today more imperative than ever before. Water is a strategic and shrinking resource. It is probably the world's most valuable resource and clean water has even been touted as the 'next oil'. Control of water - from access to management - has always been a
The Routledge Handbook Of Geospatial Technologies And Society
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Author : Alexander J. Kent
language : en
Publisher: Taylor & Francis
Release Date : 2023-08-17
The Routledge Handbook Of Geospatial Technologies And Society written by Alexander J. Kent and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-17 with Science categories.
The Routledge Handbook of Geospatial Technologies and Society provides a relevant and comprehensive reference point for research and practice in this dynamic field. It offers detailed explanations of geospatial technologies and provides critical reviews and appraisals of their application in society within international and multi-disciplinary contexts as agents of change. The ability of geospatial data to transform knowledge in contemporary and future societies forms an important theme running throughout the entire volume. Contributors reflect on the changing role of geospatial technologies in society and highlight new applications that represent transformative directions in society and point towards new horizons. Furthermore, they encourage dialogue across disciplines to bring new theoretical perspectives on geospatial technologies, from neurology to heritage studies. The international contributions from leading scholars and influential practitioners that constitute the Handbook provide a wealth of critical examples of these technologies as agents of change in societies around the globe. The book will appeal to advanced undergraduates and practitioners interested or engaged in their application worldwide.
Data Driven Situational Awareness And Decision Making For Smart Grid Operation
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Author : Lipeng Zhu
language : en
Publisher: Frontiers Media SA
Release Date : 2023-10-05
Data Driven Situational Awareness And Decision Making For Smart Grid Operation written by Lipeng Zhu and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-05 with Technology & Engineering categories.