Risk Analysis And Adaptive Response Planning For Water Distribution Systems Contamination Emergency Management
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Risk Analysis And Adaptive Response Planning For Water Distribution Systems Contamination Emergency Management
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Author : Amin Rasekh
language : en
Publisher:
Release Date : 2012
Risk Analysis And Adaptive Response Planning For Water Distribution Systems Contamination Emergency Management written by Amin Rasekh 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.
Drinking water distribution systems (WDSs) hold a particularly critical and strategic position in preserving public health and industrial growth. Despite the ubiquity of this infrastructure, its importance for public health, and increased risk of terrorism, several aspects of emergency management for WDSs remain at an undeveloped stage. A set of methods is developed to analyze the risk and consequences of WDS contamination events and develop emergency response support tools. Monte Carlo and optimization schemes are developed to evaluate contamination risk of WDSs for generation of critical contamination scenarios. A multicriteria optimization approach is proposed that treats likelihood and consequences as independent risk measures to find an ensemble of uniformly-distributed critical scenarios. This approach provides insight into system risk and potential mitigation options not available under maximum risk or maximum consequences analyses. Static multiobjective simulation-optimization schemes are developed for generation of optimal response mechanisms for contamination incidents with twoconflicting objectives of minimization of health consequences and impacts on non-consumptive water uses. Performance of contaminant flushing and containment are investigated. Pressure-driven hydraulic analysis is performed to simulate the complicated system hydraulics under pressure-deficit conditions. Performance of a novel preventive response action? injection of food-grade dye directly into drinking water? for mitigation of health impacts as a contamination threat unfolds is explored. The emergency response is formulated as a multiobjective optimization problem for the minimization of risks to life with minimum false warning and cost. A multiobjective optimization scheme is used for the management of contamination events for diverse contaminant agents without interruption of firefighting. A dynamic modeling scheme is developed that accounts for the time-varying behavior of the system during an emergency. Effects of actions taken by the managers and consumers as well as the changing perceived contaminant source attributes are included in the simulation model to provide a realistic picture of the dynamic environment. A dynamic optimization scheme is coupled with the simulation model to identify and update the optimal response recommendations during the emergency. Machine learning approaches are employed for real-time characterization of contaminant sources and identification of effective response strategies for a timely and effective response to contamination incidents and threats. In contrast to traditional approaches that perform whole analysis after a contamination event occurs, proposed machine learning methods gain system knowledge in advance and use this extracted information to identify contamination attributes after an incident occurs.
Emergency Water Planning For Natural And Man Made Emergencies
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Author :
language : en
Publisher:
Release Date : 1987
Emergency Water Planning For Natural And Man Made Emergencies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Emergency water supply categories.
Analyzing Risk And Uncertainty For Improving Water Distribution System Security From Malevolent Water Supply Contamination Events
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Author : Jacob Manuel Torres
language : en
Publisher:
Release Date : 2010
Analyzing Risk And Uncertainty For Improving Water Distribution System Security From Malevolent Water Supply Contamination Events written by Jacob Manuel Torres and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Previous efforts to apply risk analysis for water distribution systems (WDS) have not typically included explicit hydraulic simulations in their methodologies. A risk classification scheme is here employed for identifying vulnerable WDS components subject to an intentional water contamination event. A Monte Carlo simulation is conducted including uncertain stochastic diurnal demand patterns, seasonal demand, initial storage tank levels, time of day of contamination initiation, duration of contamination event, and contaminant quantity. An investigation is conducted on exposure sensitivities to the stochastic inputs and on mitigation measures for contaminant exposure reduction. Mitigation measures include topological modifications to the existing pipe network, valve installation, and an emergency purging system. Findings show that reasonable uncertainties in model inputs produce high variability in exposure levels. It is also shown that exposure level distributions experience noticeable sensitivities to population clusters within the contaminant spread area. The significant uncertainty in exposure patterns leads to greater resources needed for more effective mitigation.
Risk Management For Water And Wastewater Utilities
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Author : Simon Pollard
language : en
Publisher: IWA Publishing
Release Date : 2016-05-15
Risk Management For Water And Wastewater Utilities written by Simon Pollard and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-15 with Science categories.
Water risks and security are a major global hazard in the 21st century and it is essential that water professionals have a solid grounding in the principles of preventative risk management. This second edition of the key textbook, Risk Management for Water and Wastewater Utilities, extends beyond first principles and examines the practicalities of resilience and vulnerability assessment, strategic risk appraisal and the interconnectedness of water utility risks in a networked infrastructure. It provides an up-dated overview of tools and techniques for risk management in the context of the heightened expectations for sound risk governance that are being made of all water and wastewater utilities. Risk Management for Water and Wastewater Utilities provides a valuable starting point for newly appointed risk managers in the utility sector and offers MSc level self-paced study with self-assessment questions and abbreviated answers, key learning points, case studies and worked examples.
Confronting Climate Uncertainty In Water Resources Planning And Project Design
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Author : Patrick A. Ray
language : en
Publisher: World Bank Publications
Release Date : 2015-08-20
Confronting Climate Uncertainty In Water Resources Planning And Project Design written by Patrick A. Ray and has been published by World Bank Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-20 with Business & Economics categories.
Confronting Climate Uncertainty in Water Resources Planning and Project Design describes an approach to facing two fundamental and unavoidable issues brought about by climate change uncertainty in water resources planning and project design. The first is a risk assessment problem. The second relates to risk management. This book provides background on the risks relevant in water systems planning, the different approaches to scenario definition in water system planning, and an introduction to the decision-scaling methodology upon which the decision tree is based. The decision tree is described as a scientifically defensible, repeatable, direct and clear method for demonstrating the robustness of a project to climate change. While applicable to all water resources projects, it allocates effort to projects in a way that is consistent with their potential sensitivity to climate risk. The process was designed to be hierarchical, with different stages or phases of analysis triggered based on the findings of the previous phase. An application example is provided followed by a descriptions of some of the tools available for decision making under uncertainty and methods available for climate risk management. The tool was designed for the World Bank but can be applicable in other scenarios where similar challenges arise.
The Built Environment And Public Health New Insights
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Author : Linchuan Yang
language : en
Publisher: Frontiers Media SA
Release Date : 2023-02-06
The Built Environment And Public Health New Insights written by Linchuan Yang 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 2023-02-06 with Medical categories.
Sanitation Safety Planning
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Author : World Health Organization
language : en
Publisher: World Health Organization
Release Date : 2015-08-06
Sanitation Safety Planning written by World Health Organization and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-06 with Medical categories.
"Sanitation Safety Planning (SSP) is a step-by-step risk based approach to assist in the implementation of the 2006 WHO Guidelines for Safe Use of Wastewater, Excreta and Greywater in Agriculture and Aquaculture. The approach can be applied to all sanitary systems to ensure the system is managed to meet health objectives. SSP assists users to: systematically identify and manage health risk along the sanitation chain; guide investment based on actual risks, to promote health benefits and minimize adverse health impacts; provide assurance to authorities and the public on the safety of sanitation-related products and services. The SSP manual is targeted at a variety of users at different levels including; health authorities and regulators, local authorities, wastewater utility managers, sanitation enterprises and farmers, community based organizations, farmers associations and NGOs. SSP brings together actors from different sectors to identify health risks in the sanitation system and agree on improvements and regular monitoring and underscores the leadership role of the health sector."--Publisher's description.
Comprehensive Metaheuristics
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Author : Seyedali Mirjalili
language : en
Publisher: Elsevier
Release Date : 2023-01-31
Comprehensive Metaheuristics written by Seyedali Mirjalili and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-31 with Computers categories.
Comprehensive Metaheuristics: Algorithms and Applications presents the foundational underpinnings of metaheuristics and a broad scope of algorithms and real-world applications across a variety of research fields. The book starts with fundamentals, mathematical prerequisites, and conceptual approaches to provide readers with a solid foundation. After presenting multi-objective optimization, constrained optimization, and problem formation for metaheuristics, world-renowned authors give readers in-depth understanding of the full spectrum of algorithms and techniques. Scientists, researchers, academicians, and practitioners who are interested in optimizing a process or procedure to achieve a goal will benefit from the case studies of real-world applications from different domains. The book takes a much-needed holistic approach, putting the most widely used metaheuristic algorithms together with an in-depth treatise on multi-disciplinary applications of metaheuristics. Each algorithm is thoroughly analyzed to observe its behavior, providing a detailed tutorial on how to solve problems using metaheuristics. New case studies and research problem statements are also discussed, which will help researchers in their application of the concepts. Presented by world-renowned researchers and practitioners in metaheuristics Includes techniques, algorithms, and applications based on real-world case studies Presents the methodology for formulating optimization problems for metaheuristics Provides readers with methods for analyzing and tuning the performance of a metaheuristic, as well as for integrating metaheuristics in other AI techniques Features online complementary source code from the applications and algorithms
Official Gazette Of The United States Patent And Trademark Office
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Author :
language : en
Publisher:
Release Date : 2006
Official Gazette Of The United States Patent And Trademark Office written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Trademarks categories.
Drought Risk Management A Strategic Approach
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Author : Speed, Robert
language : en
Publisher: UNESCO Publishing
Release Date : 2016-09-19
Drought Risk Management A Strategic Approach written by Speed, Robert and has been published by UNESCO Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-19 with categories.