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As the World Bank and government of Bangladesh celebrate 50 years of development cooperation this year, a key highlight is the journey towards addressing climate change and improving the resilience of the coastal zone. From the outset, the World Bank has been a long-standing partner in the government's efforts to reduce the risks from disasters and enhance coastal resilience, resulting in a number of noteworthy achievements. Bangladesh demonstrated how investments in the entire chain of disaster risk reduction saves lives, reduces economic losses, and protects development gains. Proactive policies and sound investments in strengthening resilience across multiple fronts over the last five decades have resulted in a drastic decline in the number of casualties from cyclones.
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This study provides the first global evaluation of both direct and indirect flood hazard impacts on road transportation networks. It constructs topological road networks for 2,564 human settlements, representing over 14 million kilometers of urban roads. It assesses their exposure to pluvial and fluvial flood risks under 10 scenarios, corresponding to different flood intensities (1:5 year to 1:1,000 year return periods). Under each scenario, the study analyzes direct infrastructure exposure and assesses the indirect effects of flood-induced mobility disruptions: route failures, travel delays, and travel distance increases. The results document a positive relationship between flood return period and flood impact (both direct and indirect). Compared with direct flood hazard exposure, the indirect impact of floods on mobility is more prominent and heterogeneous. The average share of the road network that is flooded by at least 0.3 meters is 3.64 percent (or 24.84 percent) under the 5-year (or 1,000-year) return period, yet 11.58 percent (or 65.67 percent) of the simulated trips fail in the same scenario. The results enable comparisons of exposure and vulnerability of road networks to flood hazards across countries, allowing the identification and prioritization of urban transport resilience measures.
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Flood damage prevention. --- Flood hazard mitigation --- Flood proofing --- Flood protection --- Floodproofing --- City planning --- Flood control --- Floods --- Hazard mitigation
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Flood damage prevention. --- Flood forecasting. --- Floods --- Hydrological forecasting --- Flood hazard mitigation --- Flood proofing --- Flood protection --- Floodproofing --- City planning --- Flood control --- Hazard mitigation --- Forecasting
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Research works were presented at the 8th International Conference on Flood and Urban Water Management with the aim of developing innovative solutions that can help bring about multiple benefits toward achieving integrated flood risk and urban water management strategies and policy. The papers resulting from these works form this book.
Municipal water supply --- Flood control --- Flood damage prevention --- Risk assessment
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"This is an open access title available under the terms of a CC BY-NC-ND 4.0 License. It is free to read, download and share at Elgaronline. Centralising the role of land and landowners, Spatial Flood Risk Management brings together knowledge from socio-economy, public policy, hydrology, geomorphology, and engineering to establish an interdisciplinary knowledge base on spatial approaches to managing flood risks. Discussing key barriers and sharing evidence-based best practices to flood risk management, international contributors involved in the LAND4FLOOD EU COST action initiative (CA16209) seek transferrable solutions to the implementation challenges of nature-based solutions. Introducing the concept of spatial flood risk management, the multi-national teams of authors consider the notion of land through three analytical lenses: as a biophysical system, a socio-economic resource, and a solution to flood risk management. Advocating for a more comprehensive approach, the book explores options of where and how to store water within catchments, including decentralized water retention in the hinterland, flood storage along rivers, and planned flooding in resilient cities. Bringing together the existing knowledge on the relation between flood risk management and land with an international and interdisciplinary scope, this book will prove invaluable to academics, policy makers and public authorities involved in flood risk management, urban planners, and governing environmental bodies"--
Flood control. --- Flood prevention --- Flood protection --- Floods --- Prevention of floods --- Rivers --- Forest influences --- Prevention --- Regulation
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Extreme hydrological phenomena are one of the most common causes of human life loss and material damage as a result of the manifestation of natural hazards around human communities. Climatic changes have directly impacted the temporal distribution of previously known flood events, inducing significantly increased frequency rates as well as manifestation intensities. Understanding the occurrence and manifestation behavior of flood risk as well as identifying the most common time intervals during which there is a greater probability of flood occurrence should be a subject of social priority, given the potential casualties and damage involved. However, considering the numerous flood analysis models that have been currently developed, this phenomenon has not yet been fully comprehended due to the numerous technical challenges that have arisen. These challenges can range from lack of measured field data to difficulties in integrating spatial layers of different scales as well as other potential digital restrictions.The aim of the current book is to promote publications that address flood analysis and apply some of the most novel inundation prediction models, as well as various hydrological risk simulations related to floods, that will enhance the current state of knowledge in the field as well as lead toward a better understanding of flood risk modeling. Furthermore, in the current book, the temporal aspect of flood propagation, including alert times, warning systems, flood time distribution cartographic material, and the numerous parameters involved in flood risk modeling, are discussed.
flood maps --- flood risk management --- HAND model --- WebAssembly --- flood risk mapping --- web systems --- floods --- urban flooding --- flood analysis --- design floods --- HEC-HMS --- HEC-RAS --- dam break --- unsteady --- flood mapping --- Kesem --- flood risk --- poorly gauged watersheds --- regional flood frequency --- flood modeling --- GPU-parallel numerical scheme --- bridges --- story maps --- disaster risk reduction --- slide --- GARI tool --- risk communication --- climate change --- flood early warning --- forecasting --- hydrological extremes --- machine learning --- Andes --- Nilwala river basin --- coupled flood modelling --- iRIC --- n/a
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Flooding has been increased significantly in all over the world from the past few years because of the climate change and economic losses due to flooding have been increased more significantly from the last few decades. It is necessary to estimate the flood losses in the domain of flood risk management and to adopt the best practices for the collection, storage, and analysis of the flood damage data in order to develop the risk mitigation strategies for the severe flood events. In this study, one of the best practices has been presented for the collection and estimation of the flood damage data of the residential buildings through field surveys. In this regard, the study was divided into two phases: (1) introduction of the pilot study for the understanding of real field conditions, identifying the strengths and weaknesses in the survey questionnaire, and improving the field strategy; and (2) organization of the detailed study based on the previous experience of the pilot study and conducting field surveys on a large scale by adopting improved field strategy through a well-structured paper-based survey questionnaire. Through field surveys, the data for socio-demographic characteristics and damage information including building features, hazard variables, building damage cost, building damage extend, financial compensation, precautionary measures, and warning systems of the population was collected. The collected flood damage data was encoded in the Moodle and the python script was used for decoding any errors between encoding and verification phases based on a timestamp and mostly graphs were generated based on readily available python scripts. The analysis and the interpretations of the graphs have been done for developing the relationships and dependencies between different variables and building features and conclusions have been drawn at the end of this study.
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Torts --- Responsabilité civile --- Inondations --- Flood control --- Flood insurance --- Assurance contre les inondations --- Comparative law --- Droit comparé --- Maîtrise --- Droit
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