Floodplains

Author: Jeffrey J. Opperman
Publisher: Univ of California Press
ISBN: 0520294106
Format: PDF
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"Floodplains provides an overview of floodplains and their management in temperate regions. It synthesizes decades of research on floodplain ecosystems, explaining hydrologic, geomorphic and ecological processes and how these processes can provide a range of benefits to society under appropriate management. Due to the widespread alteration of temperate floodplains, these benefits are often not realized. Drawing on the framework of reconciliation ecology, the authors explore how new concepts for floodplain ecosystem restoration and management can provide a broader range of benefits to society, ranging from healthy fish populations to flood-risk reduction. Case studies from California's Central Valley and elsewhere in temperate regions show how innovative management approaches are reshaping rivers and floodplains around the world."--Provided by publisher.

Rivers and Floodplains

Author: John S. Bridge
Publisher: John Wiley & Sons
ISBN: 1444311263
Format: PDF, Docs
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Rivers and Floodplains is concerned with the origin, geometry, water flow, sediment transport, erosion and deposition associated with modern alluvial rivers and floodplains, how they vary in time and space, and how this information is used to interpret deposits of ancient rivers and floodplains. There is specific reference to the types and lifestyles of organisms associated with fluvial environments, human interactions with rivers and floodplains, associated environmental and engineering concerns, as well as the economic aspects of fluvial deposits, particularly the modeling of fluvial hydrocarbon reservoirs and aquifers. Methods of studying rivers and floodplains and their deposits are also discussed. Although basic principles are emphasized, many examples are detailed. Particular emphasis is placed on how an understanding of the nature of modern rivers and floodplains is required before any problems concerning rivers and floodplains, past or present, can be addressed rationally. Rivers and Floodplains is designed as a core text for senior undergraduate and graduate students studying modern or ancient fluvial environments, particularly in earth sciences, environmental sciences and physical geography, but also in civil and agricultural engineering. College teachers, researchers, and practising professionals will also find the book an invaluable reference. Presents a process-based approach, which is relevant to modern curricula. Discusses methods of studying rivers and floodplains and their deposits. Provides many detailed examples throughout the text. Emphasises the basic principles of this subject. As the first synthesis of this entire field, it will be a must-have for all students studying modern or ancient fluvial environments. Teachers, researchers and practising professionals will find this an invaluable reference tool. Rivers and Floodplains will also be of interest to geologists, geographers and engineers.

Floodplains

Author: Susan B. Marriott
Publisher: Geological Society of London
ISBN: 9781862390508
Format: PDF, ePub
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Very Good,No Highlights or Markup,all pages are intact.

Clumsy Floodplains

Author: Dr Thomas Hartmann
Publisher: Ashgate Publishing, Ltd.
ISBN: 1409488969
Format: PDF, Docs
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Extreme floods cause enormous damage in floodplains, which levees cannot prevent. Therefore, it is vital for spatial planning to provide space for water retention in these areas. Land use planners, water management agencies, landowners, and policymakers all agree on this challenge, but attempts to make the space for rivers to provide retention are generally not very successful. Adopting an innovative interdisciplinary approach, this book examines how society can manage the use of the floodplains along rivers in the face of extreme floods, focusing in particular on the relation between social arrangements and the elemental forces of floods. The book firstly analyses why contemporary floodplain management is so often clumsy and ineffective by looking at various real-life situations in Germany, using Cultural Theory to provide a much-needed, but previously neglected social perspective. These analyses show a pattern of activity resulting from different rationalities which dominate the floodplains in different phases. During extreme floods, it is rational to manage floodplains as dangerous areas; sandbags and disaster management dominate the scene. After some time, the rationality of control takes over the floodplain management; policymakers discuss flood risk and water managers build levees. When public attention diminishes, floodplains become inconspicuous until more and more stakeholders regard floodplains as profitable land. The current system of planning, law, and property rights even encourages stakeholders to act out their plural rationalities. A permanent dynamic imbalance of different rationalities leads to a robust social construction of the floodplains which results in viable but clumsy floodplains. In the course of time, however, the patterns of activity in the floodplains lead to an increase in intensity and frequency of extreme floods, and to more vulnerable potential damages in the floodplains. Risk increases. Coping with this situation needs another kind of floodplain management. This book proposes an innovative concept - Large Areas for Temporary Emergency Retention (LATER) - in "Clumsy Floodplains" as an alternative to levee-based flood protection. The concept aims at reducing damage by extreme floods in a catchment area by inundating less valuable areas to protect places that are more valuable. It finally examines how this LATER concept might be implemented in areas where there is currently a clumsy style of floodplain management, what interventions are required and how these might come about effectively. Again, using Cultural Theory, the book puts forward a valuable land policy solution which aims at implementing LATER in clumsy floodplains and which develops an obligatory insurance against natural hazards as a responsive land policy for LATER. The book represents the author's PhD research, which he conducted as research assistant at the department for Land Policy, Land Management and Municipal Geoinformation at the School of Spatial Planning, TU Dortmund University, Germany.

Floodplain Management

Author: Bob Freitag
Publisher: Island Press
ISBN: 9781610911320
Format: PDF
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A flooding river is very hard to stop. Many residents of the United States have discovered this the hard way. Right now, over five million Americans hold flood insurance policies from the National Flood Insurance Program, which estimates that flooding causes at least six billion dollars in damages every year. Like rivers after a rainstorm, the financial costs are rising along with the toll on residents. And the worst is probably yet to come. Most scientists believe that global climate change will result in increases in flooding. The authors of this book present a straightforward argument: the time to stop a flooding rivers is before is before it floods. Floodplain Management outlines a new paradigm for flood management, one that emphasizes cost-effective, long-term success by integrating physical, chemical, and biological systems with our societal capabilities. It describes our present flood management practices, which are often based on dam or levee projects that do not incorporate the latest understandings about river processes. And it suggests that a better solution is to work with the natural tendencies of the river: retreat from the floodplain by preventing future development (and sometimes even removing existing structures); accommodate the effects of floodwaters with building practices; and protect assets with nonstructural measures if possible, and with large structural projects only if absolutely necessary.

Ecological Impacts of Flow Regulation on Rivers and Floodplains

Author: Courtney Rose Holt
Publisher:
ISBN:
Format: PDF, Mobi
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Aquatic habitats are among the world's most valuable ecosystems, including rivers and floodplains. Humans have significantly influenced these ecosystems the world over, particularly in the form of river regulation via dams. The objective of this dissertation is to document effects of river regulation in rivers and floodplains of the southeastern United States. Specifically, I focused on the effects of river regulation on macroinvertebrate dynamics in the Chattahoochee, Altamaha, and Savannah Rivers (Georgia). Direct effects of annual and daily flow variation on the macroinvertebrate communities of the Chattahoochee River below Buford Dam were investigated over an 11 year period. In addition, to assess indirect effects of river regulation, I investigated populations of predaceous diving beetles (Coleoptera: Dytiscidae: Neoporus) on the floodplains of the regulated Savannah River and the unregulated Altamaha River. The results from my research indicate significant effects of regulation within the river channel and across the floodplains. Shifts in macroinvertebrate community assemblages were detected between high- and low-flow years on the Chattahoochee, and changes to the overall community occurred over the length of the study area, with improved biological metric scores (H', EPT richness, and sensitive taxa richness) as distance from the dam increased. On floodplains, Neoporus beetles exhibited significant sympatry but were overall negatively affected regarding their distribution and propensity for flight as a result of river regulation. With little overbank flooding in the regulated system, Neoporus were more likely to be restricted to permanent waters on the floodplain and were less likely to disperse via flight than populations in the unregulated system. These results suggest a need for altered river management strategies where ecosystem integrity is taken into account in addition to human needs. River management strategies should be developed in the context of climate change and increasing pressures on water resources.

The Central Amazon Floodplain

Author: Wolfgang J. Junk
Publisher: Springer Science & Business Media
ISBN: 3662034166
Format: PDF, Mobi
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Floodplains are ecosystems which are driven by periodic inundation and oscillation between terrestrial and aquatic phases. An understanding of such pulsing systems is only possible by studying both phases and linking the results into an integrated overview. This book presents the results of a 15-year study of the structure and function of one of the largest tropical floodplains, the Amazon River floodplain. It covers qualitative aspects, e.g., adaptations of aquatic and terrestrial organisms to the flood pulse as well as quantitative aspects, e.g., studies of biomass, primary production, decomposition, and nutrient cycles. The authors interpret their findings and the most important data from other studies under an integrating scientific concept, the Flood Pulse Concept.

Floodplains

Author: Marc A. Álvarez
Publisher: Nova Science Pub Incorporated
ISBN: 9781617282775
Format: PDF, Kindle
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A floodplain is a flat or nearly flat land adjacent to a stream or river that experiences occasional or periodic flooding. It includes the floodway, which consists of the stream channel and adjacent areas that carry flood flows, and the flood fringe, which are areas covered by the flood, but which do not experience a strong current. This book reviews and presents research in the study of floodplains from across the globe including water and people in the Yaere Floodplain in North Cameroon, the turbidity behaviour in the Amazon floodplains, evaluating the potential and performance of New Urbanism for reducing flood risks.