Flood Early Warning System
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Flood Early Warning Systems
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Author : Daniela Molinari
language : en
Publisher: WIT Press
Release Date : 2013
Flood Early Warning Systems written by Daniela Molinari and has been published by WIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Technology & Engineering categories.
Presenting the results of an ambitious research activity this book intends to understand why Early Warning Systems (EWSs) fail. However, from the beginning, the objective turned out to be challenging; first, because, so far, there is not a shared understanding of what an EWS is (among both researchers and practitioners communities); second, as a consequence, because it is equally unclear when an EWS can be considered successful or not. Due to this, the research needed first to face some “open questions” instead of going straight to the point under investigation. Specifically, it was first necessary to define EWS, identify its components and functions, peculiarities, and weak points. Only at that point, a first attempt to evaluate EWS performance was possible. Flood Early Warning Systems Performance is organised according to the conceptual steps required by the research. In part I the “open questions” about the definition and the role of EWSs are handled, the aim being the identification of how to evaluate their effectiveness/performance. Part II focuses on the real aim of the research, providing concepts and tools to assess EWS performance; suggested tools are also implemented in a case study to describe how they can be applied in practice. Focusing specifically on the topic of flood risk in mountainous regions, the book can be viewed as a sort of manual for EWS designers, managers, and users. It is organised into different independent sections which will appeal both to experts as well as those with an interest in the subject. Most of results can also be exported to other hazards.
Early Warning Systems For Natural Disaster Reduction
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Author : Jochen Zschau
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Early Warning Systems For Natural Disaster Reduction written by Jochen Zschau 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 2013-11-11 with Science categories.
Written for a broad audience this book offers a comprehensive account of early warning systems for hydro meteorological disasters such as floods and storms, and for geological disasters such as earthquakes. One major theme is the increasingly important role in early warning systems played by the rapidly evolving fields of space and information technology. The authors, all experts in their respective fields, offer a comprehensive and in-depth insight into the current and future perspectives for early warning systems. The text is aimed at decision-makers in the political arena, scientists, engineers and those responsible for public communication and dissemination of warnings.
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 Early Warning System
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Author : C. J. M. Vermeulen
language : en
Publisher:
Release Date : 1990
Flood Early Warning System written by C. J. M. Vermeulen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Flood control categories.
Reducing Disaster Early Warning Systems For Climate Change
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Author : Ashbindu Singh
language : en
Publisher: Springer
Release Date : 2014-05-12
Reducing Disaster Early Warning Systems For Climate Change written by Ashbindu Singh and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-12 with Science categories.
Around the world, extreme weather events are becoming increasingly "the new normal" and are expected to increase in the 21st century as a result of climate change. Extreme weather events have devastating impacts on human lives and national economies. This book examines ways to protect people from hazards using early warning systems, and includes contributions from experts from four different continents representing 14 different universities, 8 government agencies and two UN agencies. Chapters detail critical components of early warning systems, ways to identify vulnerable communities, predict hazards and deliver information. Unique satellite images illustrate the transnational impact of disasters, while case studies provide detailed examples of warning systems. With contributors from the fields of economics, ethics, meteorology, geography and biology, this book is essential reading for anyone interested in disaster risk reduction or climate change.
Trans Border Flood Early Warning System In South Asia
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Author :
language : en
Publisher:
Release Date : 2018
Trans Border Flood Early Warning System In South Asia written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Conceptualizing An Established Network Of A Community Based Flood Early Warning System
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Author : Jonatan Anderias Lassa
language : en
Publisher:
Release Date : 2013
Conceptualizing An Established Network Of A Community Based Flood Early Warning System written by Jonatan Anderias Lassa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
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.
An Information System For Flood Early Warning
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Author :
language : en
Publisher:
Release Date : 1993
An Information System For Flood Early Warning written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Flood control categories.
The Benefit Of Continental Flood Early Warning Systems To Reduce The Impact Of Flood Disasters
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Author :
language : en
Publisher:
Release Date : 2015
The Benefit Of Continental Flood Early Warning Systems To Reduce The Impact Of Flood Disasters written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
When flood events are extreme or affect regions of high vulnerability, they can become life threatening and devastating.They can also interrupt supply chains and cause significant socio-economic impacts worldwide. -The EU has implemented a comprehensive policy framework to reduce flood impacts in the EU and worldwide. -The JRC supports the EU policies on civil protection, disaster risk reduction and adaptation to climate change with state ofthe art European and global flood early warning systems. It manages the Copernicus Emergency Management Service. -A study on the monetary benefit of flood early warning systems in Europe suggest major savings can be achieved. -The recently launched Global Flood Partnership, co-chaired by JRC, fosters transfer of knowledge from the EU todeveloping countries and aid organisations. This report summarises current European policies in place to deal with flooding in the different phases of the disaster management cycle. A description of the development of pan-European flood early warning capability (EFAS) is provided as well as how the system fits into the responsibility chain between national services and EU civil protection. An estimate of the potential monetary benefit of EFAS in Europe is clearly indicates the added value. It further addresses gaps of such systems in other regions such as Africa and demonstrates how methodology of EU systems could be transferred for better preparedness for flooding in vulnerable regions. The recently launched Global Flood Partnership shows great potential to facilitate such transfer.