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Books > Professional & Technical > Civil engineering, surveying & building > Hydraulic engineering > Flood control
The magnitude and urgency of the need to adapt to climate change is such that addressing it has been taken up by the United Nations as one of the sustainable development goals - Goal 13 (SDG13) in 2015. SDG13 emphasises the need to strengthen resilience and adaptive capacity to climate related hazards and natural disasters. Coping with urban floods is one of the major needs of climate adaptation, where integration of climate change responses into flood risk management policies, strategies and planning at international, national, regional and local levels is now the norm. However, much of this integration lacks effectiveness or real commitment from stakeholders involved in adaptation planning and implementation. Hence this research has focused on integrating flexibility based adaptation responses into an urban flood risk management context. The research has synthesised flexible adaptation practices from several disciplines including information technology, automobile and aerospace manufacturing. The outcomes of the research are brought together in a framework for structuring local adaptation responses and an adaptation planning process based on flexibility concepts. The outcomes provide a way to assist with the identification of the appropriate nature and type of flexibility required; where flexibility can best be incorporated; and when is the most appropriate time to implement the flexible adaptation responses in the context of urban flooding.
Flooding can have devastating impacts on people's livelihood, economy and the environment. An important instrument in flood management is floodplain maps, which assist land planners and local authorities in identifying flood-prone areas, and provide useful information for rescue and relief agencies for their operations. Developing floodplain maps often involves flood inundation modeling. This typically requires precipitation and stream flow data, topographic information, building a hydraulic model and calibration of its parameters. Often however, floodplain maps are built on a single model outcome without an explicit consideration of all the sources of uncertainty in the modeling process. The research presented in this thesis addresses the uncertainty in flood inundation modeling, which may arise from input data and hydraulic modeling approach. The study area is the Sungai Johor basin in Johor, Malaysia, an agriculture-dominated area. The present study analyses the modelling uncertainties arising from estimations of design flow, terrain data sets, geometric description in hydraulic models and different modeling approaches, and develops recommendations for practitioners. Explicit account for uncertainties and studying their impact in flood inundation mapping allow for more informed and effective decision making.
The Ning-Meng reach of the Yellow River basin is located in the Inner Mongolia region at the Northern part of the Yellow River. Due to the special geographical conditions, the river flow direction is towards the North causing the Ning-Meng reach to freeze up every year in wintertime. Both during the freeze-up and break-up period, unfavourable conditions occur which may cause ice jamming and ice dam formation leading to dike breaching and overtopping of the embankment. Throughout history this has often led to considerable casualties and property loss. Enhanced economic development and human activities in the region have altered the characteristics of the ice regime in recent decades, leading to several ice disasters during freezing or breaking-up periods. The integrated water resources management plan developed by the Yellow River Conservancy Commission (YRCC) outlines the requirements for water regulation in the upper Yellow River during ice flood periods. YRCC is developing measures that not only safeguard against ice floods, but also assure the availability of adequate water resources. These provide the overall requirements for developing an ice regime forecasting system including lead-time prediction and required accuracy. In order to develop such a system, numerical modelling of ice floods is an essential component of current research at the YRCC, together with field observations and laboratory experiments. In order to properly model river ice processes it is necessary to adjust the hydrodynamic equations to account for thermodynamic effects. In this research, hydrological and meteorological data from 1950 to 2010 were used to analyse the characteristics of ice regimes in the past. Also, additional field observations were carried out for ice flood model calibration and validation. By combining meteorological forecasting models with statistical models, a medium to short range air temperature forecasting model for the Ning-Meng reach was established. These results were used to improve ice formation modelling and prolong lead-time prediction. The numerical ice flood model developed in this thesis for the Ning-Meng reach allows better forecasting of the ice regime and improved decision support for upstream reservoir regulation and taking appropriate measures for disaster risk reduction.
On a global scale, sewage represents the main point-source of water pollution and is also the predominant source of nitrogen contamination in urban regions. The present research is focused on the study of the main challenges that need to be addressed in order to achieve a successful inorganic nitrogen post-treatment of anaerobic effluents in the mainstream. The post-treatment is based on autotrophic nitrogen removal. The challenges are classified in terms of operational features and system configuration, namely: (i) the short-term effects of organic carbon source, the COD/N ratio and the temperature on the autotrophic nitrogen removal; the results from this study confirms that the Anammox activity is strongly influenced by temperature, in spite of the COD source and COD/N ratios applied. (ii) The long-term performance of the Anammox process under low nitrogen sludge loading rate (NSLR) and moderate to low temperatures; it demonstrates that NSLR affects nitrogen removal efficiency, granular size and biomass concentration of the bioreactor. (iii) The Anammox cultivation in a closed sponge-bed trickling filter (CSTF) and (iv) the autotrophic nitrogen removal over nitrite in a sponge-bed trickling filter (STF). Both types of Anammox sponge-bed trickling filters offer a plane technology with good nitrogen removal efficiency.
Modelling urban flood dynamics requires proper handling of a number of complex urban features. Although high-resolution topographic data can nowadays be obtained from aerial LiDAR surveys, such top-view LiDAR data still have difficulties to represent some key components of urban features. Incorrectly representing features like underpasses through buildings or apparent blockage of flow by sky trains may lead to misrepresentation of actual flood propagation, which could easily result in inadequate flood-protection measures. Hence proper handling of urban features plays an important role in enhancing urban flood modelling. This research explores present-day capabilities of using computer-based environments to merge side-view Structure-from-Motion data acquisition with top-view LiDAR data to create a novel multi-source views (MSV) topographic representation for enhancing 2D model schematizations. A new MSV topographic data environment was explored for the city of Delft and compared with the conventional top-view LiDAR approach. Based on the experience gained, the effects of different topographic descriptions were explored for 2D urban flood models of (i) Kuala Lumpur, Malaysia for the 2003 flood event; and (ii) Ayutthaya, Thailand for the 2011 flood event. It was observed that adopting the new MSV data as the basis for describing the urban topography, the numerical simulations provide a more realistic representation of complex urban flood dynamics, thus enhancing conventional approaches and revealing specific features like flood watermarks identification and helping to develop improved flood-protection measures.
Primarily written as course material on flood control and drainage engineering for advanced students of civil engineering, this new fourth edition is again thoroughly revised. It accommodates recent developments in remote sensing, information technology and GIS technology. New added material deals with flood management due to Tsunami waves, flooding due to dam failure and breaking of embankments, application of dredging technologies, problems of flood forecasting, flood plain prioritization and flood hazard zoning, and engineering measures for flood control. Drainage improvement is tackled, with particular regard to salinity and coastal aquifer management from the ingress of sea water. The book includes design problem-solving and case studies, making it practical and applications-oriented. The subject matter will be of considerable interest to civil engineers, agricultural engineers, architects and town planners, as well as other government and non-government organizations.
Floods are one of the most common and widely distributed natural risks to life and property worldwide. There is a need to identify the risk of flooding in flood prone areas to support decisions for flood management from high level planning proposals to detailed design. An important part of modern flood risk management is to assess vulnerability to floods. This assessment can be done only by using a parametric approach. Worldwide there is a need to enhance our understanding of vulnerability and to also develop methodologies and tools to assess vulnerability. One of the most important goals of assessing flood vulnerability is to create a readily understandable link between the theoretical concepts of flood vulnerability and the day-to-day decision-making process and to encapsulate this link in an easily accessible tool. The present book portrays a holistic parametric approach to be used in flood vulnerability assessment and this way to facilitate the consideration of system impacts in water resources decision-making. The approach was verified in practical applications on different spatial scales and comparison with deterministic approaches. The use of flood vulnerability approach can produce helpful understanding into vulnerability and capacities for using it in planning and implementing projects.
Nowadays, the uncertainties associated with the process of making decisions for water infrastructure investments can be significant and arise from, amongst other factors, a lack of knowledge about primary external drivers, like climate change. New and improved methods for the assessment climate impacts and adaptation are needed to address these uncertainties; otherwise, investment strategies can be maladaptive, resulting in either increased risks or unnecessary costs of potentially irreversible measures. In response to this need, there has been a significant expansion of the approaches and methods in use. This book provides practical experience with two different assessment methods: Real-In-Options and Adaptation Tipping Points. These were selected because they both provide insight into and promote the ability of the system to deal with future change and thus can be used within a resilience approach. The resilience approach takes a dynamic perspective on adaptive processes and the effects of these processes at/across different spatio-temporal scales. Although the methods share a similar aim, they have considerable differences in orientation and application. This book discusses the concept, procedures, case examples and benefits/limitations of each method, examining its usefulness for informing investment decisions. It gives specific recommendations on which method to use under what circumstances.
This book tackles the question of how we can manage flood-related disaster risks, such as from typhoons, monsoons, and torrential rain, which have been intensified by climate change and have generated unprecedented floods, landslides and debris flows worldwide. It presents recent conceptual developments in disasters, risk and resilience, and surveys UN policies on environment and development as well as disaster management. Sustainable and resilient development requires an integrated approach and human empowerment. Japan provides a useful example of effective flood management and disaster recovery in its current strategies for river and basin integrated flood management. Very few English-language books present up-to-date Japanese experiences for students and professionals in the context of global trends, relevant to a time of climate change and with global application. * Outlines an integrated approach to flood risk management in the context of UN initiatives * Details Japanese good practice developed through culture and the needs of a changing society Integrated Flood Risk Management is ideal for professionals working for environmental agencies, hydrologists and engineers, as well as students of disaster management and water resources development.
This illustrated notebook highlights the need for a change of paradigm in current flood management practices, one that acknowledges the wide-ranging and interdisciplinary benefits brought by public space design. Reassessing and improving established flood management methods, public spaces are faced with a new and enhanced role as mediators of flood adaptation able to integrate infrastructure and communities together in the management of flood water as an ultimate resource for urban resilience. The book specifically introduces a path towards a new perspective on flood adaptation through public space design, stressing the importance of local, bottom up, approaches. Deriving from a solution-directed investigation, which is particularly attentive to design, the book offers a wide range of systematized conceptual solutions of flood adaptation measures applicable in the design of public spaces. Through a commonly used vocabulary and simple technical notions, the book facilitates and accelerates the initial brainstorm phases of a public space project with flood adaptation capacities, enabling a direct application in contemporary practice. Furthermore, it offers a significant sample of real-case examples that may further assist the decision-making throughout design processes. Overall, the book envisions to challenge established professionals, such as engineers, architects or urban planners, to work and design with uncertainty in an era of an unprecedented climate.
Our changing climate and more extreme weather events have dramatically increased the number and severity of floods across the world. Demonstrating the diversity of global flood risk management (FRM), this volume covers a range of topics including planning and policy, risk governance and communication, forecasting and warning, and economics. Through short case studies, the range of international examples from North America, Europe, Asia and Africa provide analysis of FRM efforts, processes and issues from human, governance and policy implementation perspectives. Written by an international set of authors, this collection of chapters and case studies will allow the reader to see how floods and flood risk management is experienced in different regions of the world. The way in which institutions manage flood risk is discussed, introducing the notions of realities and social constructions when it comes to risk management. The book will be of great interest to students and professionals of flood, coastal, river and natural hazard management, as well as risk analysis and insurance, demonstrating multiple academic frameworks of analysis and their utility and drawbacks when applied to real-life FRM contexts.
During the past years, Saudi Arabia has been affected by particularly severe torrential rains and floods. This book presents an in-depth and all-encompassing study on the floods that occurred in the Jeddah area in 2009 and 2011, including water-flow mechanisms, state-of-the-art techniques for flood assessment, flood control and appropriate management approaches. It highlights a number of methods and concepts that can be applied in similar areas in Saudi Arabia in order to reduce and mitigate the impact of torrential rains and floods.
Green Stormwater Infrastructure Fundamentals and Design Discover novel stormwater control measures to make for a greener tomorrow! The protection of our aquatic resources is growing in importance as the effects of climate change and continued urbanization are felt throughout the world. While most rain that falls onto vegetated spaces infiltrates the soil, rain that falls onto impervious surfaces will not, increasing downstream flooding and erosion and causing impaired water quality. Impervious surfaces such as road infrastructure, rooftops, and parking areas all increase runoff and mobilize many pollutants that have deposited on these surfaces that are then carried into our waterways. Proper management of this stormwater through green infrastructure is essential to address these challenges and reduce the environmental and ecological impacts brought about by this runoff. This book brings into focus resilient stormwater control measures (SCMs) for the reduction of stormwater flows and associated pollutants that can detrimentally impact our local environmental and ecological systems. These interventions are green infrastructure based, utilizing natural hydrologic and environmental features using soil and vegetation to manage stormwater. These technologies include water harvesting, bioretention and bioinfiltration, vegetated swales and filter strips, permeable pavements, sand filters, green roofs, and stormwater wetlands, among others. The basic science and engineering of these technologies is discussed, including performance information and best maintenance practices. Green Stormwater Infrastructure readers will also find: Research-informed resilient SCM design fundamentals Diagrams developed by the authors to enhance understanding Case studies to illustrate the points elucidated in the book End-of-chapter problems with a separate solutions manual Green Stormwater Infrastructure is an ideal resource for environmental, civil, and biological engineers and environmental scientists in the consulting field. Landscape architects, managers and engineers of watershed districts, and members of federal, state, and local governmental agencies--especially those in the departments of environmental protection and transportation--will find many uses for this guidebook. It will also be of interest to professors, upper-level undergraduates and graduate students in environmental, civil, and biological engineering programs.
This book presents climate adaptation and flood risk problems and solutions in coastal cities, including an independent investigation of adaptation paths and problems in Rotterdam, New York and Jakarta. The comparison draws out lessons that each city can learn from the others. While the main focus is on coastal flooding, cities are also affected by climate change in other ways, including impacts that occur away from the coast. The New York City Water Supply System, for example, stretches as far as 120 miles upstate, and the New York City Department of Environmental Protection has undertaken extensive climate assessment not only for its coastal facilities, but also for its upstate facilities, which will be affected by rising temperatures, droughts, inland flooding and water quality changes. The authors examine key questions, such as: Are current city plans climate proof or do we need to finetune our ongoing investments? Can we develop a flood proof subway system? Can we develop new infrastructure in such a way that it serves flood protection, housing and natural values?
Floods are of increasing public concern world-wide due to increasing damages and unacceptably high numbers of injuries. Previous approaches of flood protection led to limited success especially during recent extreme events. Therefore, an integrated flood risk management is required which takes into consideration both the hydrometeorogical and the societal processes. Moreover, real effects of risk mitigation measures have to be critically assessed. The book draws a comprehensive picture of all these aspects and their interrelations. It furthermore provides a lot of detail on earth observation, flood hazard modelling, climate change, flood forecasting, modelling vulnerability, mitigation measures and the various dimensions of management strategies. In addition to local and regional results of science, engineering and social science investigations on modelling and management, transboundary co-operation of large river catchments are of interest. Based on this, the book is a valuable source of the state of the art in flood risk management but also covers future demands for research and practice in terms of flood issues.
Flood damages are increasing as a result of frequent occurrence of large floods in many parts of the world, existing and continuing encroachment of development onto flood plains and aging flood protection structures. Under such circumstances, there is an ongoing search for better ways of protecting human life, land, property and the environment by improved flood management. Many flood management measures have been practiced in various jurisdictions, including living with floods, non-structural measures (e.g. regulations, flood defence by flood forecasting and warning, evacuations, and flood insurance), and structural measures (e.g., land drainage modifications, reservoirs, dykes and polders). Such flood management is difficult in river basins controlled by a single authority, and becomes even more challenging when dealing with transboundary floods, which may originate in one country or jurisdiction and then propagate downstream to another country, or jurisdiction.
The unprecedented growth of cities has a significant impact on future flood risk that might exceed the impacts of climate change in many metropolitan areas across the world. Although the effects of urbanisation on flood risk are well understood, assessments that include spatially explicit future growth projections are limited. This comparative study provides insight in the long term development of future riverine and pluvial flood risk for 18 fast growing megacities. The outcomes provide not only a baseline absent in current practise, but also a strategic outlook that might better establish the role of urban planning in limiting future flood risk.
This comprehensive manual provides extensive information on the types of revetment available and provides guidance on the choice and design of these systems. With regard to natural and artificial watercourses information is included on revetments that incorporate some form of structural protection and revetments which combine this protection with vegetation to increase the environmental quality of the systems. Extensive use of photographs, flowcharts and diagrams allow the engineer to choose the most appropriate type of revetment and the most cost-effective design.
This book discusses the functions of revetments and the different aspects of structural performance. It includes example specifications and calculations that enable the engineer to choose the most stable, appropriate and cost-effective revetment system for a given situation. The book guides the engineer through the design process, from identifying hydraulic loading conditions and initial dimensioning of the revetment elements to detailed design of the revetment elements to ensure adequate protection against design wave conditions.
This book assesses and illustrates innovative and practical world-wide measures for combating sea level rise from the profession of landscape architecture. The work explores how the appropriate mixture of integrated, multi-scalar flood protection mechanisms can reduce risks associated with flood events including sea level rise. Because sea level rise is a global issue, illustrative case studies performed from the United States, Korea, Australia, New Zealand, Thailand, Japan, China, and the Netherlands identify the structural (engineered), non-structural (nature-based), and hybrid mechanisms (mixed) used to combat sea level rise and increase flood resilience. The alternative flood risk reduction mechanisms are extracted and analyzed from each case study to develop and explain a set of design-based typologies to combat sea level rise which can then be applied to help proctor new and existing communities. It is important for those located within the current or future floodplain considering sea level rise and those responsible for land use, developmental, and population-related activities within these areas to strategically implement a series of integrated constructed and green infrastructure-based flood risk reduction mechanisms to adequately protect threatened areas. As a result, this book is beneficial to both academics and practitioners related to multiple design professions such as urban designers, urban planners, architects, real estate developers, and landscape architects.
In Draining New Orleans, the first full-length book devoted to "the world's toughest drainage problem," renowned geographer Richard Campanella recounts the epic challenges and ingenious efforts to dewater the Crescent City. With forays into geography, public health, engineering, architecture, politics, sociology, race relations, and disaster response, he chronicles the herculean attempts to "reclaim" the city's swamps and marshes and install subsurface drainage for massive urban expansion. The study begins with a vivid description of a festive event on Mardi Gras weekend 1915, which attracted an entourage of elite New Orleanians to the edge of Bayou Barataria to witness the christening of giant water pumps. President Woodrow Wilson, connected via phoneline from the White House, planned to activate the station with the push of a button, effectively draining the West Bank of New Orleans. What transpired in the years and decades that followed can only be understood by examining the large swath of history dating back two centuries earlier-to the geological formation and indigenous occupation of this delta-and extending through the colonial, antebellum, postbellum, and Progressive eras to modern times. The consequences of dewatering New Orleans proved both triumphant and tragic. The city's engineering prowess transformed it into a world leader in drainage technology, yet the municipality also fell victim to its own success. Rather than a story about mud and machinery, this is a history of people, power, and the making of place. Campanella emphasizes the role of determined and sometimes unsavory individuals who spearheaded projects to separate water from dirt, creating lucrative opportunities in the process not only for the community but also for themselves.
Flood risk is increasing across the UK and globally. This book provides a highly visual guide to flood resilience, and the ways in which the built and natural environment can be adapted to the threat of flooding. It offers advice on how to better understand the nature of flood risk, highlighting the key approaches and principles necessary for developing community and property flood resilience. Offering clear visual examples of the variety of resilience strategies that are appropriate and applicable to a range of flood risk contexts, this book is an invaluable practical manual for architects and professionals across the built environment. Highly practical handbook for architects, students, engineers, urban planners and other built environment professionals Richly illustrated with practical examples and case studies Draws on research from government, academic and industry experts as well as first-hand experiences from flood affected communities
Along with windstorms, floods are the most common and widespread of all natural disasters. Although they can often be predicted, they cause loss of life, damage and destruction, as many urban communities are located near coasts and rivers. In terms of victims, floods are responsible for more than half the deaths caused by natural catastrophes. As flood events appear to be rapidly increasing world-wide, an advanced and universal approach to urban flooding and how to manage will help reduce flood impact. This textbook integrates expertise from disciplines such as hydrology, sociology, architecture, urban design, construction and water resources engineering. The subject is approached from an international perspective and case studies, exercises, expert advice and literature recommendations are included to support the theory and illustrations. Developed by a team of specialists, this volume is intended for urban flood management education of hydrology, geography, civil and environmental engineering, and management students at university level. Moreover, professionals will find this book useful as a reference. More information on flood resilience and urban flood management can be found at www.floodresiliencegroup.org For a preview, please go to http: //issuu.com/crcpress/docs/urban_flood_management
The New Orleans Flood, U.S. Corruption, and Disasters "Rosenthal employs the surgical precision of an investigative journalist and the craft of a memoirist to expose the flaws, natural and human, behind the devastation caused by Hurricane Katrina." -The Eric Hoffer Award Program 2020 Nautilus Silver Winner #1 New Release in Civil Engineering & Environmental, Urban & City Planning, Development, and Disaster Relief In the aftermath of one of the worst disasters in U.S. history, Words Whispered in Water tells the story of one woman's fight-against all odds-to expose a mammoth federal agency-and win. It's a horror story, a mystery, and David and Goliath story all in one. In 2005, the entire world watched as a major U.S. city was nearly wiped off the map. The levees ruptured and New Orleans drowned. But while newscasters attributed the New Orleans flood to "natural catastrophes" and other types of disasters, citizen investigator Sandy Rosenthal set out to expose the true culprit and compel the media and government to tell the truth. This is her story. When the protective steel flood-walls broke, the Army Corps of Engineers-with cooperation from big media-turned the blame on natural types of disasters. In the chaotic aftermath, Rosenthal uncovers the U.S. corruption, and big media at root. Follow this New Orleans hero as she exposes the federal agency's egregious design errors and eventually changes the narrative surrounding the New Orleans flood. In this engaging and revealing tale of man versus nature and man versus man, Words Whispered in Water proves that the power of a single individual is alive and well. If you enjoyed books like The Johnstown Flood, Breach of Faith, or The Great Deluge, then Words Whispered in Water is your next read! |
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