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Books > Professional & Technical > Civil engineering, surveying & building > Hydraulic engineering > Flood control

Public Spaces for Water - A Design Notebook (Paperback): Maria Silva Public Spaces for Water - A Design Notebook (Paperback)
Maria Silva
R1,608 Discovery Miles 16 080 Ships in 12 - 17 working days

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.

Applied Uncertainty Analysis For Flood Risk Management (Hardcover): Keith J. Beven, Jim Hall Applied Uncertainty Analysis For Flood Risk Management (Hardcover)
Keith J. Beven, Jim Hall
R6,727 Discovery Miles 67 270 Ships in 10 - 15 working days

This volume provides an introduction for flood risk management practitioners, up-to-date methods for analysis of uncertainty and its use in risk-based decision making. It addresses decision making for both short term (real-time forecasting) and long term (flood risk planning under change) situations. It aims primarily at technical practitioners involved in flood risk analysis and flood warning, including hydrologists, engineers, flood modelers, risk analysts and those involved in the design and operation of flood warning systems. Many experienced practitioners are now expected to modify their way of working to fit into the new philosophy of flood risk management. This volume helps them to undertake that task with appropriate attention to the surrounding uncertainties. The book will also interest and benefit researchers and graduate students hoping to improve their knowledge of modern uncertainty analysis.

Barrages - Engineering Design & Environmental Impacts (International Conference 10-13 September 1996, Cardiff, UK) (Hardcover):... Barrages - Engineering Design & Environmental Impacts (International Conference 10-13 September 1996, Cardiff, UK) (Hardcover)
J. Watts
R9,719 Discovery Miles 97 190 Ships in 12 - 17 working days

The very word "barrages" is evocative. In the context of tidal waters it conjures up pictures of massive structures and environmental change. Barrages represent the engineer?s success where King Canute failed ? to stop the tide coming in. They are hardly a new concept as man has for centuries tried to harness tidal power to drive his machinery, but a new breed of barrage is emerging, aimed at regenerating depressed urban areas. One of the primary aims of such schemes has been to drown "unsightly" mud flats. If you happen to be a wading bird used to enjoying the worms that live in intertidal mud flats you may not share that perspective. Indeed, many people today tend to side with the birds, fish and other ecological wonders and often find themselves in conflict with the promoters of a barrage scheme. How far are their fears justified? Are the negative impacts as bad as some people have predicted or even worse? How accurately can the impacts be predicted by scientific methods? Can the barrage be designed and its operation controlled to mitigate any negative effects as well as to optimise its primary objective? These issues are addressed in this book by authors drawing on their experience of research and practical experience.

Flood Risk Management - Global Case Studies of Governance, Policy and Communities (Hardcover): Edmund C.Penning- Rowsell,... Flood Risk Management - Global Case Studies of Governance, Policy and Communities (Hardcover)
Edmund C.Penning- Rowsell, Matilda Becker
R4,566 Discovery Miles 45 660 Ships in 12 - 17 working days

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.

Transboundary Floods: Reducing Risks Through Flood Management (Hardcover, 2006 ed.): Jiri Marsalek, Gheorghe Stancalie, Gabor... Transboundary Floods: Reducing Risks Through Flood Management (Hardcover, 2006 ed.)
Jiri Marsalek, Gheorghe Stancalie, Gabor Balint
R8,933 Discovery Miles 89 330 Ships in 10 - 15 working days

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.

Mississippi River Tragedies - A Century of Unnatural Disaster (Hardcover): Christine A Klein, Sandra B. Zellmer Mississippi River Tragedies - A Century of Unnatural Disaster (Hardcover)
Christine A Klein, Sandra B. Zellmer
R1,290 Discovery Miles 12 900 Ships in 10 - 15 working days

Read a free excerpt here! American engineers have done astounding things to bend the Mississippi River to their will: forcing one of its tributaries to flow uphill, transforming over a thousand miles of roiling currents into a placid staircase of water, and wresting the lower half of the river apart from its floodplain. American law has aided and abetted these feats. But despite our best efforts, so-called "natural disasters" continue to strike the Mississippi basin, as raging floodwaters decimate waterfront communities and abandoned towns literally crumble into the Gulf of Mexico. In some places, only the tombstones remain, leaning at odd angles as the underlying soil erodes away. Mississippi River Tragedies reveals that it is seductively deceptive-but horribly misleading-to call such catastrophes "natural." Authors Christine A. Klein and Sandra B. Zellmer present a sympathetic account of the human dreams, pride, and foibles that got us to this point, weaving together engaging historical narratives and accessible law stories drawn from actual courtroom dramas. The authors deftly uncover the larger story of how the law reflects and even amplifies our ambivalent attitude toward nature-simultaneously revering wild rivers and places for what they are, while working feverishly to change them into something else. Despite their sobering revelations, the authors' final message is one of hope. Although the acknowledgement of human responsibility for unnatural disasters can lead to blame, guilt, and liability, it can also prod us to confront the consequences of our actions, leading to a liberating sense of possibility and to the knowledge necessary to avoid future disasters.

Green Stormwater Infrastructure Fundamentals and Design (Hardcover): A. P. Davis Green Stormwater Infrastructure Fundamentals and Design (Hardcover)
A. P. Davis
R3,778 Discovery Miles 37 780 Ships in 10 - 15 working days

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.

Landscape Architecture for Sea Level Rise - Innovative Global Solutions (Hardcover): Galen D Newman, Zixu Qiao Landscape Architecture for Sea Level Rise - Innovative Global Solutions (Hardcover)
Galen D Newman, Zixu Qiao
R4,605 Discovery Miles 46 050 Ships in 12 - 17 working days

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.

Engineering Probabilistic Design and Maintenance for Flood Protection (Hardcover, 1997 ed.): R. Cooke, M. Mendel, J. K. Vrijling Engineering Probabilistic Design and Maintenance for Flood Protection (Hardcover, 1997 ed.)
R. Cooke, M. Mendel, J. K. Vrijling
R3,156 Discovery Miles 31 560 Ships in 10 - 15 working days

The First Conference on Engineering Probability in Flood Defense was orga nized by the Department of Mathematics and Informatics of the Delft U niver sity of Technology and the Department of Industrial Engineering and Opera tions Research of the University of California at Berkeley, and was held on June 1,2 1995 in Delft. Groups at Berkeley and Delft were both deeply engaged in modeling deterioration in civil structures, particularly flood defense structures. The plans for the conference were well under way when the dramatic floods in The Netherlands and California in the winter of 1994-1995 focused world attention on these problems. The design of civil engineering structures and systems is essentially an example of decision making under uncertainty. Although the decision making part of the process is generally acknowledged, the uncertainty in variables and param eters in the design problem is less frequently recognized. In many practical design procedures the uncertainty is concealed behind sharp probabilistic de sign targets like 'once in a thousand years' combined with a standardized use of safety factors. The choice of these probabilistic design targets, however, is based on an assessment of the uncertainty of the variable under consideration, and on its assessed importance. The value of the safety factor is governed by similar considerations. Standard practice is simply accu ulated experience and engineering judgment. In light of the great number of civil engineering structures that function suc-. cessfully, one may say that this standard practice has proven itself broadly satisfactory."

Urban Flood Risk Management - Looking at Jakarta (Hardcover): Christopher Silver Urban Flood Risk Management - Looking at Jakarta (Hardcover)
Christopher Silver
R4,559 Discovery Miles 45 590 Ships in 12 - 17 working days

Like so many of the coastal cities in Southeast Asia (and other regions) established during European colonialism, there has been an ongoing challenge for decades dealing with the growing frequency and intensity of flooding. Jakarta's flood problems since the 1990s have been nothing less than monumental and the inability of the local and national governments to mitigate flooding in Jakarta is the most visible manifestation of fundamental water management deficiencies. This book offers a comprehensive and systematic historical assessment of Jakarta's water management practices from the colonial era through the early years of the Indonesian republic and Jakarta's emergence as a sprawling megacity. This book draws upon a vast multidisciplinary literature and a wide array of government documents to unravel the complex history of water management that has led to approximately 40% of the city now lying below sea level. This book will be a useful reference to those who research on topics such as urbanization in Southeast Asia, sustainable development, urban and planning history, environmental planning, issues of water management (and flooding), and the politics of planning and development.

River Basin Modelling for Flood Risk Mitigation (Hardcover, New): Donald Knight, Asaad Shamseldin River Basin Modelling for Flood Risk Mitigation (Hardcover, New)
Donald Knight, Asaad Shamseldin
R10,414 R8,446 Discovery Miles 84 460 Save R1,968 (19%) Ships in 12 - 17 working days

Flooding accounts for one-third of natural disasters worldwide and for over half the deaths that occur as a result of natural disasters. As the frequency and volume of flooding increases, due to climate change, there is a new urgency amongst researchers and professionals working in flood risk management. River Basin Modelling for Flood Risk Mitigation brings together thirty edited papers by leading experts who gathered for the European Union's Advanced Study Course at the University of Birmingham, UK. In this book, coverage ranges in scope from issues concerning the protection of life to river restoration and wetland management. Eminent experts examine a variety of topics, including climate change, hydroinformatics, hydrometeorology, river flow forecasting systems, and dam-break modeling. They also explore risk and uncertainty issues for flood management, the social and economic impacts of flooding, and developments in flood forecasting and early warning systems. Case studies illustrate the concepts and methods presented throughout the text. With broad yet integrated coverage, River Basin Modelling for Flood Risk Mitigation is an informative and accessible reference tool for professional engineers involved with flood risk management.

Changes in Flood Risk in Europe (Hardcover): Zbigniew W. Kundzewicz Changes in Flood Risk in Europe (Hardcover)
Zbigniew W. Kundzewicz
R5,839 Discovery Miles 58 390 Ships in 12 - 17 working days

This book delivers a wealth of information on changes in flood risk in Europe, and considers causes for change. The temporal coverage is mostly focused on post-1900 events, reflecting the typical availability of data, but some information on earlier flood events is also included.

Flexibility in Adaptation Planning: When, Where and How to Include Flexibility for Increasing Urban Flood Resilience - When,... Flexibility in Adaptation Planning: When, Where and How to Include Flexibility for Increasing Urban Flood Resilience - When, Where and How to Include Flexibility for Increasing Urban Flood Resilience (Hardcover)
Mohanasundar Radhakrishnan
R5,179 Discovery Miles 51 790 Ships in 12 - 17 working days

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.

Numerical Modelling of Ice Floods in the Ning-Meng Reach of the Yellow River Basin (Hardcover): Chunqing Wang Numerical Modelling of Ice Floods in the Ning-Meng Reach of the Yellow River Basin (Hardcover)
Chunqing Wang
R5,174 Discovery Miles 51 740 Ships in 12 - 17 working days

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.

Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling (Hardcover): Vorawit Meesuk Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling (Hardcover)
Vorawit Meesuk
R5,958 Discovery Miles 59 580 Ships in 12 - 17 working days

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.

Flood Inundation Modeling and Hazard Mapping Under Uncertainty in the Sungai Johor Basin, Malaysia (Paperback): Anuar Ali Flood Inundation Modeling and Hazard Mapping Under Uncertainty in the Sungai Johor Basin, Malaysia (Paperback)
Anuar Ali
R2,465 Discovery Miles 24 650 Ships in 12 - 17 working days

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.

Numerical Modelling of Ice Floods in the Ning-Meng Reach of the Yellow River Basin (Paperback): Chunqing Wang Numerical Modelling of Ice Floods in the Ning-Meng Reach of the Yellow River Basin (Paperback)
Chunqing Wang
R1,884 Discovery Miles 18 840 Ships in 12 - 17 working days

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.

Flexibility in Adaptation Planning - When, Where and How to Include Flexibility for Increasing Urban Flood Resilience... Flexibility in Adaptation Planning - When, Where and How to Include Flexibility for Increasing Urban Flood Resilience (Paperback)
Mohanasundar Radhakrishnan
R2,869 Discovery Miles 28 690 Ships in 12 - 17 working days

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.

Improving Flood Prediction Assimilating Uncertain Crowdsourced Data into Hydrological and Hydraulic Models (Hardcover):... Improving Flood Prediction Assimilating Uncertain Crowdsourced Data into Hydrological and Hydraulic Models (Hardcover)
Maurizio Mazzoleni
R5,952 Discovery Miles 59 520 Ships in 12 - 17 working days

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.

Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling (Paperback): Vorawit Meesuk Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling (Paperback)
Vorawit Meesuk
R3,128 Discovery Miles 31 280 Ships in 12 - 17 working days

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.

Improving Flood Prediction Assimilating Uncertain Crowdsourced Data into Hydrological and Hydraulic Models (Paperback):... Improving Flood Prediction Assimilating Uncertain Crowdsourced Data into Hydrological and Hydraulic Models (Paperback)
Maurizio Mazzoleni
R2,632 Discovery Miles 26 320 Ships in 12 - 17 working days

In recent years, the continued technological advances have led to the spread of low-cost sensors and devices supporting crowdsourcing as a way to obtain observations of hydrological variables in a more distributed way than the classic static physical sensors. The main advantage of using these type of sensors is that they can be used not only by technicians but also by regular citizens. However, due to their relatively low reliability and varying accuracy in time and space, crowdsourced observations have not been widely integrated in hydrological and/or hydraulic models for flood forecasting applications. Instead, they have generally been used to validate model results against observations, in post-event analyses. This research aims to investigate the benefits of assimilating the crowdsourced observations, coming from a distributed network of heterogeneous physical and social (static and dynamic) sensors, within hydrological and hydraulic models, in order to improve flood forecasting. The results of this study demonstrate that crowdsourced observations can significantly improve flood prediction if properly integrated in hydrological and hydraulic models. This study provides technological support to citizen observatories of water, in which citizens not only can play an active role in information capturing, evaluation and communication, leading to improved model forecasts and better flood management.

Networked Environments for Stakeholder Participation in Water Resources and Flood Management (Paperback): Adrian Delos Santos... Networked Environments for Stakeholder Participation in Water Resources and Flood Management (Paperback)
Adrian Delos Santos Almoradie
R1,790 Discovery Miles 17 900 Ships in 12 - 17 working days

Stakeholders' lack of awareness, involvement and participation in the planning and management of water resources and flood risk often creates problems in the acceptance and implementation of proposed measures. Interactions among stakeholders and decision makers build awareness, trust, enhance cooperation and negotiation for best possible measures. The main challenge in stakeholder participation is maintaining the participatory process. Stakeholders' spatial distribution, limitation of financial resources and diverse stakeholders' interest (even opposed) are some of the hindrances in maintaining the participatory process. Addressing these challenges and hindrances, this research developed and implemented three frameworks for developing "Networked Environments for Stakeholder Participation" (NESPs). Networked environments are web-based computer-aided or mobile environments for remote virtual interaction between participating entities such as stakeholders. NESPs are envisioned to enable stakeholder participation by providing sharing of information, planning, negotiating and decision support. NESPs were implemented in five real case studies (1) Lakes of Noord-Brabant, The Netherlands, (2) Danube river (Braila-Isaccea section), Romania, (3) Somes Mare catchment, Romania, (4) Cranbrook catchment, London and (5) Alster catchment, Hamburg, Germany. The overall results of the research show that networked environments can address the challenges and hindrances in stakeholder participation and enhance participation in water resources and flood management.

Flood Control and Drainage Engineering (Hardcover, 4th edition): S.N. Ghosh Flood Control and Drainage Engineering (Hardcover, 4th edition)
S.N. Ghosh
R6,435 Discovery Miles 64 350 Ships in 12 - 17 working days

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.

Applying the Flood Vulnerability Index as a Knowledge Base for Flood Risk Assessment - UNESCO-IHE PhD Thesis (Paperback, New):... Applying the Flood Vulnerability Index as a Knowledge Base for Flood Risk Assessment - UNESCO-IHE PhD Thesis (Paperback, New)
Stefania-Florina Balica
R2,309 Discovery Miles 23 090 Ships in 12 - 17 working days

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.

Landscape Architecture for Sea Level Rise - Innovative Global Solutions (Paperback): Galen D Newman, Zixu Qiao Landscape Architecture for Sea Level Rise - Innovative Global Solutions (Paperback)
Galen D Newman, Zixu Qiao
R1,174 Discovery Miles 11 740 Ships in 9 - 15 working days

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.

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