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Modelling Floodplain Biogeomorphology by Martin Josephus Baptist Pdf
There is an increasing awareness that rivers need more room in order to safeguard flood safety under climate change conditions. Contemporary river management is creating room in the floodplains and allowing, within certain bounds, natural processes of sedimentation and erosion. One of the aims is to restore dynamic conditions, so as to get a sustainable and more diverse river ecosystem that can cope with floods. This new approach requires understanding of the interaction between the biotic and abiotic components of river systems. More specifically, it requires a better understanding of the interaction between flora and fauna and geomorphological factors. This is the object of investigation of the interdiscipline of biogeomorphology. Modelling biogeomorphological processes in river floodplains is the topic of this thesis.
Two-dimensional Floodplain Modeling by D. Michael Gee,M. G. Anderson,Laura Baird Pdf
A two-dimensional horizontal finite element numerical model (RMA-2) was applied to a 15 mile (24 km) river channel-floodplain reach in West Germany. Previous applications of such models have been restricted to much smaller scales. The results indicate that finite element schemes may successfully estimate river stage in large scale floodplain applications. Computed stage hydrographs compared well with observed data using loss coefficients within expected ranges. Two-dimensional flow models have been applied to certain classes of river channel problems. Applications have included detailed analyses of flow patterns near structures such as bridges and floodplains. In all these problems the scale of interest has been small, e.g. reaches of river a few river widths long. Many estuary studies have been done that were of large scale; some of these utilized a hybrid (numerical plus physical) modeling technique. In a review of the application of finite element methods to river channels, Samuels reported that the river channel was resolved separately from the floodplain in only two studies. Missing in previous work is attention to large scale floodplain modeling. The work reported in this paper focuses on the feasibility and accuracy of applying a two-dimensional flow model to a large floodplain. Traditional floodplain studies have used semi-empirical flow routing with steady, one-dimensional computation of water surface elevations to define inundated areas. Keywords: Army Corps of Engines. (kr).
River Basin Modelling for Flood Risk Mitigation by Donald Knight,Asaad Shamseldin Pdf
Flooding accounts for one-third of natural disasters worldwide and for over half the deaths which occur as a result of natural disasters. As the frequency and volume of flooding increases, as a result of 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. The scope of the course ranged from issues concerning the protection of life, to river restoration and wetland management. A variety of topics is covered in the book including climate change, hydro-informatics, hydro-meterology, river flow forecasting systems and dam-break modelling. The approach is broad, but integrated, providing an attractive and informative package that will satisfy researchers and professionals, while offering a sound introduction to students in Engineering and Geography.
Numerical Modelling of Hydrodynamics for Water Resources by Pilar Garcia Navarro,Enrique Playan Pdf
Overland flow modelling has been an active field of research for some years, but developments in numerical methods and computational resources have recently accelerated progress, producing models for different geometries and types of flows, such as simulations of canal and river networks. Flow in canals has traditionally been described using
Analysis and Modelling of River Meandering by Alessandra Crosato Pdf
This thesis examines the morphological changes of non-tidal meandering rivers at the spatial scale of several meanders. With this purpose, a physics-based mathematical model, MIANDRAS, has been developed for the simulation of the medium-term to long-term evolution of meandering rivers. Application to several real rivers shows that MIANDRAS can properly simulate both equilibrium river bed topography and planimetric changes. Three models of different complexity can be obtained by applying different degrees of simplification to the equations. These models, along with experimental tests and field data, constitute the tools for several analyses. At conditions of initiation of meandering, it is found that river bends can migrate upstream and downstream. This depends on meander wave length and width-to-depth ratio, irrespective of whether the parameters are in the subresonant or the superresonant range.
Water quality and management are of great significance globally, as the demand for clean, potable water far exceeds the availability. Water science research brings together the natural and applied sciences, engineering, chemistry, law and policy, and economics, and the Treatise on Water Science seeks to unite these areas through contributions from a global team of author-experts. The 4-volume set examines topics in depth, with an emphasis on innovative research and technologies for those working in applied areas. Published in partnership with and endorsed by the International Water Association (IWA), demonstrating the authority of the content Editor-in-Chief Peter Wilderer, a Stockholm Water Prize recipient, has assembled a world-class team of volume editors and contributing authors Topics related to water resource management, water quality and supply, and handling of wastewater are treated in depth
Robert J. Abrahart,Linda M. See,Dimitri P. Solomatine
Author : Robert J. Abrahart,Linda M. See,Dimitri P. Solomatine Publisher : Springer Science & Business Media Page : 495 pages File Size : 52,7 Mb Release : 2008-10-24 Category : Science ISBN : 9783540798811
Practical Hydroinformatics by Robert J. Abrahart,Linda M. See,Dimitri P. Solomatine Pdf
Hydroinformatics is an emerging subject that is expected to gather speed, momentum and critical mass throughout the forthcoming decades of the 21st century. This book provides a broad account of numerous advances in that field - a rapidly developing discipline covering the application of information and communication technologies, modelling and computational intelligence in aquatic environments. A systematic survey, classified according to the methods used (neural networks, fuzzy logic and evolutionary optimization, in particular) is offered, together with illustrated practical applications for solving various water-related issues. ...
Biogeomorphology, Terrestrial and Freshwater Systems by C.R. Hupp,Waite Osterkamp,A.D. Howard Pdf
Biogeomorphology, a relatively new term, refers to relations between the biota and geomorphic form and process. Ecology is the study of organisms in relation to their physical and biotic environment. Thus, ecogeomorphology could have been an equally acceptable name for this publication which stresses the ecological aspects of the larger field of biology. Most of the articles relate vegetation to fluvial geomorphology, erosion, and sedimentation. However, articles showing the significance of animal ecological studies and their bearing on geomorphic form and process are also included. Geographically the papers range from arid areas in the American Southwest and Israel to the new world tropics. Most articles, however, are concerned with temperate areas of North America and Western Europe. This is among the first books to approach the role that biota and ecology play in geomorphic processes and should be on the shelf of every landscape ecologist.
River Flow 2016 by George Constantinescu,Marcelo Garcia,Dan Hanes Pdf
Understanding and being able to predict fluvial processes is one of the biggest challenges for hydraulics and environmental engineers, hydrologists and other scientists interested in preserving and restoring the diverse functions of rivers. The interactions among flow, turbulence, vegetation, macroinvertebrates and other organisms, as well as the transport and retention of particulate matter, have important consequences on the ecological health of rivers. Managing rivers in an ecologically friendly way is a major component of sustainable engineering design, maintenance and restoration of ecological habitats. To address these challenges, a major focus of River Flow 2016 was to highlight the latest advances in experimental, computational and theoretical approaches that can be used to deepen our understanding and capacity to predict flow and the associated fluid-driven ecological processes, anthropogenic influences, sediment transport and morphodynamic processes. River Flow 2016 was organized under the auspices of the Committee for Fluvial Hydraulics of the International Association for Hydro-Environment Engineering and Research (IAHR). Since its first edition in 2002, the River Flow conference series has become the main international event focusing on river hydrodynamics, sediment transport, river engineering and restoration. Some of the highlights of the 8th International Conference on Fluvial Hydraulics were to focus on inter-disciplinary research involving, among others, ecological and biological aspects relevant to river flows and processes and to emphasize broader themes dealing with river sustainability. River Flow 2016 contains the contributions presented during the regular sessions covering the main conference themes and the special sessions focusing on specific hot topics of river flow research, and will be of interest to academics interested in hydraulics, hydrology and environmental engineering.
Advances in Spatio-Temporal Analysis by Xinming Tang,Yaolin Liu,Jixian Zhang,Wolfgang Kainz Pdf
Developments in Geographic Information Technology have raised the expectations of users. A static map is no longer enough; there is now demand for a dynamic representation. Time is of great importance when operating on real world geographical phenomena, especially when these are dynamic. Researchers in the field of Temporal Geographical Information Systems (TGIS) have been developing methods of incorporating time into geographical information systems. Spatio-temporal analysis embodies spatial modelling, spatio-temporal modelling and spatial reasoning and data mining. Advances in Spatio-Temporal Analysis contributes to the field of spatio-temporal analysis, presenting innovative ideas and examples that reflect current progress and achievements.
Gravel Bed Rivers by Michael Church,Pascale Biron,Andre Roy Pdf
Gravel-Bed Rivers: Processes, Tools, Environments presents a definitive review of current knowledge of gravel-bed rivers, derived from the 7th International Gravel-bed Rivers Workshop, the 5-yearly meeting of the world’s leading authorities in the field. Each chapter in the book has been specifically commissioned to represent areas in which recent progress has been made in the field. The topics covered also represent a coherent progression through the principal areas of the subject (hydraulics; sediment transport; river morphology; tools and methods; applications of science). Definitive review of the current knowledge of gravel-bed rivers Coverage of both fundamental and applied topics Edited by leading academics with contributions from key researchers Thoroughly edited for quality and consistency to provide coherent and logical progression through the principal areas of the subject.
Practical Channel Hydraulics, 2nd edition by Donald W. Knight,Caroline Hazlewood,Rob Lamb,Paul G. Samuels,Koji Shiono Pdf
Practical Channel Hydraulics is a technical guide for estimating flood water levels in rivers using the innovative software known as the Conveyance and Afflux Estimation System (CES-AES). The stand alone software is freely available at HR Wallingford’s website www.river-conveyance.net. The conveyance engine has also been embedded within industry standard river modelling software such as InfoWorks RS and Flood Modeller Pro. This 2nd Edition has been greatly expanded through the addition of Chapters 6-8, which now supply the background to the Shiono and Knight Method (SKM), upon which the CES-AES is largely based. With the need to estimate river levels more accurately, computational methods are now frequently embedded in flood risk management procedures, as for example in ISO 18320 (‘Determination of the stage-discharge relationship’), in which both the SKM and CES feature. The CES-AES incorporates five main components: A Roughness Adviser, A Conveyance Generator, an Uncertainty Estimator, a Backwater Module and an Afflux Estimator. The SKM provides an alternative approach, solving the governing equation analytically or numerically using Excel, or with the short FORTRAN program provided. Special attention is paid to calculating the distributions of boundary shear stress distributions in channels of different shape, and to appropriate formulations for resistance and drag forces, including those on trees in floodplains. Worked examples are given for flows in a wide range of channel types (size, shape, cover, sinuosity), ranging from small scale laboratory flumes (Q = 2.0 1s-1) to European rivers (~2,000 m3s-1), and large-scale world rivers (> 23,000 m3s-1), a ~ 107 range in discharge. Sites from rivers in the UK, France, China, New Zealand and Ecuador are considered. Topics are introduced initially at a simplified level, and get progressively more complex in later chapters. This book is intended for post graduate level students and practising engineers or hydrologists engaged in flood risk management, as well as those who may simply just wish to learn more about modelling flows in rivers.
Practical Channel Hydraulics by Donald W. Knight,Caroline McGahey,Rob Lamb,Paul Samuels Pdf
A technical reference guide and instruction text for the estimation of flood and drainage water levels in rivers, waterways and drainage channels. It is written as a user’s manual for the openly available innovative Conveyance and Afflux Estimation System (CES-AES) software, with which water levels, flows and velocities in channels can be calculated. The impact of factors influencing these levels and the sensitivity of channels to extreme levels can also be assessed. Approaches and solutions are focused on addressing environmental, flood risk and land drainage objectives. Practical Channel Hydraulics is the first reference guide that focuses in detail on estimating roughness, conveyance and afflux in fluvial hydraulics. With its universal approach and the application of metric units, both book and software serve an international audience of consultants and engineers dealing with river modelling, flood risk assessment, maintenance of watercourses and the design of drainage systems. Suited as course material for training graduate Master’s students in civil and environmental engineering or geomorphology who focus on river and flood engineering, as well as for professional training in flood risk management issues, open channel flow hydraulics and modelling. The CES-AES software development followed recommendations by practitioners and academics in the UK Network on Conveyance in River Flood Plain Systems, following the Autumn 2000 floods, that operating authorities should make better use of recent improved knowledge on conveyance and related flood (or drainage) level estimation. This led to a Targeted Programme of Research aimed at improving conveyance estimation and subsequent integration with other research on afflux at bridges and culverts at high flows. The CES-AES software tool aims to improve and assist with the estimation of: hydraulic roughness water levels (and corresponding channel and structure conveyance) flow (given slope); section-average and spatial velocities backwater profiles upstream of a known flow-head control e.g. weir (steady) afflux upstream of bridges and culverts uncertainty in water level The CES-AES software and tutorial are openly available at www.river-conveyance.net (see also Downloads & Updates tab).
Coastal Sediments 2015 by Ping Wang,Julie D Rosati,Jun Cheng Pdf
This Proceedings contains over 260 papers on cutting-edge research presented at the eighth international Symposium on Coastal Sediment Processes, held May 11 ? 15, 2015, in San Diego, California, USA. This technical specialty conference was devoted to promoting an interdisciplinary exchange of state-of-the-art knowledge among researchers in the fields of coastal engineering, geology, oceanography, and related disciplines, with the theme of Understanding and Working with Nature. Focusing on the physical aspects of the sediment processes in various coastal environments, this Proceedings provides findings from the latest research and newest engineering applications. Sessions covered a wide range of topics including barrier islands, beaches, climate and sea level, cohesive and noncohesive sediments, coastal bluffs, coastal marsh, dredged sediments, inlet and navigation channels, regional sediment management, river deltas, shore protection, tsunamis, and vegetation-sediment interaction. Several special sessions included: Relevant science for changing coastlines: A Tribute to Gary Griggs; North Atlantic Coast Comprehensive Study and post-super-storm Sandy work; long-term coastal evolution; barrier islands of Louisiana; sea-level rise and super storms in a warming world; predicting decadal coastal geomorphic evolution; and contrasting Pacific coastal behavior with El Ni¤o Southern Oscillation (ENSO), are also featured. Contents:Keynote Addresses:Coastal Evolution and Human-Induced Sea-Level Rise: History and Prognosis (Robert J Nicholls)Addressing Local and Global Sediment Imbalances: Coastal Sediments as Rare Minerals (Dano Roelvink)Barrier Islands:Complex Responses of Barriers to Sea-Level Rise Emerging from a Model of Alongshore-Coupled Dynamic Profile Evolution (Andrew D Ashton & Jorge Lorenzo-Trueba)Deformation of an Isolated Offshore Sand Bar on Tidal Flat and Mergence with Beach Due to Waves (Toshiro San-Nami, Takaaki Uda, Shiho Miyahara & Masumi Serizawa)Beaches:Modeling Gravel Barrier Resilience During Storms with XBeach-G: The Role of Infiltration (Robert Mccall, Gerhard Masselink, Timothy Poate & Dano Roelvink)Numerical Investigation of Beach Profile Evolution Using a New Sediment Concentration Model (R Rahman, R Jayaratne, A E Tejada-Martinez & P Wang)Beach Changes Triggered by Imbalance of Longshore Sand Transport and Ground Subsidence on South Kujukuri Beach (Takaaki Uda, Ryoji Yoshida & Takahiro Todoroki)Climate and Sea Level:What Do We Do Now? (J William Kamphuis)A New Profile Fitting Approach to Estimating Beach Recession by Sea Level Rise (Wonchul Cho, Jong Sung Yoon, Dong Soo Hur & Jung L Lee)Coastal Bluffs:Evaluating Changes to Arctic Coastal Bluffs Using Repeat Aerial Photography and Structure-From-Motion Elevation Models (Ann E Gibbs, Matt Nolan & Bruce M Richmond)Puget Sound Feeder Bluff Mapping: Compiling and Completing a Sound-Wide Geomorphic Dataset (Andrea Maclennan, Jim Johannessen & Hugh Shipman)Coastal Marsh and Vegetation:Hydrodynamics and Sediment Dynamics in an Ice Covered Tidal Flat (Urs Neumeier & Colette Cheng)Mechanics of Sediment Suspension and Transport Within a Fringing Reef (Andrew W M Pomeroy, Ryan J Lowe, Marco Ghisalberti, Curt D Storlazzi, Michael Cuttler & Graham Symonds)Cohesive and Noncohesive Sediments:In-Situ Measurement of Erosion of Mixed Sand-Mud Sediments (Kevin B Briggs & J Calantoni)Stochastic Model of Fluid Mud Transport Under Wave and Current (Yasuyuki Nakagawa, Kazuo Nadaoka, Hiroshi Yagi, Yasuo Nihei & Hiroshi Uchikawa)Dredged Sediment:Numerical Model Studies to Support the Sustainable Management of Dredge Spoil Deposition in a Complex Nearshore Environment (Simon Weppe, Peter Mccomb & Lincoln Coe)Life Cycle Assessment for Dredged Sediment Placement Strategies (Matthew E Bates, Cate Fox-Lent, Linda Seymour, Ben A Wender & Igor Linkov)Inlet and Navigation Channels:A Tale of Five Harbours: Fluvial vs. Longshore Sediment Sources in Great Lakes Harbours (J Doucette & C Pinilla)Comparing Two Numerical Models in Simulating Hydrodynamics and Sediment Transport at a Dual Inlet System, West-Central Florida (Ping Wang, Jun Cheng, Mark H Horwitz & Kelly R Legault)Regional Sediment Management:Engineering with Nature: Nearshore Berm Placements At Fort Myers Beach And Perdido Key, Florida, USA (Katherine E Brutsch, Ping Wang, Julie D Rosati & Cheryl E Pollock)Preview Analysis to Sand Bypass System Design in the Port of Sisal, Yucat n (P E Reyes, P Salles, J L¢pez & E Casillas)River Deltas:Freshwater Vegetation Influence on Sediment Spatial Distribution in River Delta During Flood (W Nardin, D A Edmonds & S Fagherazzi)Observation of Sediment Processes of a Flood Event at the River Mouth of Tenryu, Japan with X-Band Radar and In Situ Measurements (Satoshi Takewaka, Takumi Okabe, Shigeru Kato & Shinichi Aoki)Shore Protection:Field Observations of Tidal Flow Separation at a Mega-Scale Beach Nourishment (Max Radermacher, Wilmar Zeelenberg, Matthieu De Schipper & Ad Reniers)Ecologically-Oriented Coastal Engineering: A New Approach for Bird Island Restoration and Avian Conservation at Sundown Island, Matagorada Bay, Texas (Cris Weber, Thomas Dixon, Dave Buzan, Juan Moya & Iliana Pe¤a)Tsunamis:Hindcast of Bathymetry Change in Oarai Port, Japan, Caused by the 2011 Tsunami (Yoshiaki Kuriyama, Yoshiyuki Uno & Kazuhiko Honda)Tsunami Sediment Analysis Based on Luminescence Measurement (Shinji Sato, Kanto Nishiguchi & Yusuke Yamanaka)Barrier Island of Louisiana:Mississippi River Delta Plain Barrier Island Sediment Dynamics and Implications for Managing Coastal Transgressionion (Michael D Miner, Ioannis Y Georgiou, Mark Kulp & Duncan Fitzgerald)Differential Sediment Consolidation Associated with Barrier Beach Restoration: Caminada Headland, South Louisiana (Mark R Byrnes, Chester Hedderman, Michael Hasen, P E, Harry Roberts, Syed Khalil & Steven G Underwood)Constrasting Pacific Coastal Behaviour with Enso:Constrasting Pacific Coastal Behaviour with Enso Modeling Interannual to Multi-Decadal Shoreline Rotations of Headland-Bounded Littoral Cells (Dylan Anderson & Peter Ruggiero)Wave Climate Change Associated with Enso Modoki and Tropical Expansion in Southeast Australia and Implications for Coastal Stability (Thomas R Mortlock & Ian D Goodwin)Long Term Coastal Evolution:Predicting Centuries of Morphodynamics in San Pablo Bay, California: Hindcast and Forecast Including Sea Level Rise (Mick van der Wegen, Bruce E Jaffe & Dano Roelvink)Modelling Long-Term Morphodynamics in Practice: Uncertainties and Compromises (J J Williams, T Conduch & L S Esteves)North Atlantic Coast Comprehensive Study and Post Supper Storm Sandy Work:Modeling the Effects of Hard Structures on Dune Erosion and Overwash ? A Case Study of the Impact of Hurricane Sandy on the New Jersey Coast (C M Nederhoff, Q J Lodder, M Boers, J P Den Bieman & J K Miller)Conceptual Regional Sediment Budget for the US North Atlantic Coast (Julie Dean Rosati, Ashley E Frey, Alison S Grzegorzewski, Coraggio Maglio, Andrew Morang & Robert C Thomas)Predicting Decadal Coastal Geomorphic Evolution:Decadal Scale Shoreline Change Arises from Large-Scale Interactions, While Small-Scale Changes are Forgotten: Observational Evidence (A B Murray, E D Lazarus, L J Moore, J Lightfoot, A D Ashton, D E Mcnamara & K Ells)Equilibrium-Based Foreshore Beach Profile Change Model for Long-Term Data (Masayuki Banno, Yoshiaki Kuriyama & Noriaki Hashimoto)Relevant Science for Changing Coastline a Tribute to Gary Griggs:Quantifying the Geomorphic Resiliency of Barrier Island Beaches (Cheryl J Hapke, Owen T Brenner & Rachel E Henderson)Sedimentology of Intertidal Sediment Deposits After Dam Removal on a Coastal River (Ian M Miller, Andrea Ogston & Julia Dolan)Sea Level Rise and Super Storm in a Warming World:Multi-Annual Sand and Gravel Beach Response to Storms in the Southwest of England (Tim Scott, Gerd Masselink, Tim O'hare, Mark Davidson & Paul Russell)Regional Variability in Atlantic Storm Response Along the Southwest Coast of England (Gerd Masselink, Tim Scott, Daniel Conley, Mark Davidson & Paul Russell)and other papers Readership: Graduate students and research in coastal engineering. Key Features:Most up-to-date information and knowledgeBroad world-wide attendanceIn depth technical focus. These proceedings have and should continue to serve as widely used reference booksKeywords:Coastal Engineering;Coastal Geology;Coastal Processes;Shore Protection;Sediment Transport;Beach Processes;Coastal Morphology
