Meandering In Transition
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Meandering In Transition
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Author : Ostap Kushnir
language : en
Publisher: Rowman & Littlefield
Release Date : 2021-08-19
Meandering In Transition written by Ostap Kushnir and has been published by Rowman & Littlefield this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-19 with Political Science categories.
This edited collection addresses the dynamics of the post-Communist transition in Central Eastern Europe. Its contributors present a detailed analysis of the events unfolding during the last three decades in the region, focusing in particular on identity-building processes and reforms in Belarus, Bulgaria, Czechia, Estonia, Hungary, Latvia, Lithuania, Moldova, Poland, Romania, Slovakia, and Ukraine. The contributors outline reasons why some of these states accomplished a decisive break with the Communist past and became members of European and transatlantic structures, while some opted for pseudo-transition and fostered hybrid political regimes, jeopardizing their genuine integration with the West. A group of states which decided to preserve their Communist legacy is also explained. The collection describes and scrutinizes the formation of geopolitical affiliations and the evolution of discourses of belonging. It also traces the fluctuating dynamics of national decision-making and institution-building, as many of the post-Communist states reconsider and re-elaborate their initial ideas and visions of Europe today. Finally, the collection brings to light the rapidly changing perceptions of the region by the major global actors—the European Union, People’s Republic of China, Russian Federation, and others.
Analysis And Modelling Of River Meandering
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Author : Alessandra Crosato
language : en
Publisher: IOS Press
Release Date : 2008
Analysis And Modelling Of River Meandering written by Alessandra Crosato and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Computers categories.
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.
Rivers And Floodplains
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Author : John S. Bridge
language : en
Publisher: John Wiley & Sons
Release Date : 2009-04-01
Rivers And Floodplains written by John S. Bridge and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-01 with Science categories.
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.
Fluvial Meanders And Their Sedimentary Products In The Rock Record Ias Sp 48
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Author : Massimiliano Ghinassi
language : en
Publisher: John Wiley & Sons
Release Date : 2019-01-22
Fluvial Meanders And Their Sedimentary Products In The Rock Record Ias Sp 48 written by Massimiliano Ghinassi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-22 with Science categories.
The sinuous form and peculiar evolution of meandering rivers has long captured the imagination of people. Today, meandering rivers exist in some of the most densely populated areas in the World, where they provide environmental and economic wealth and opportunities, as well as posing hazards. Through geological time, the ancestors of these modern meanders built deposits that are now host to mineral resources, groundwater, and hydrocarbons. This Special Publication illustrates the breadth of current research on meandering rivers and their deposits. The collection of research papers demonstrates the state of science on fluvial process–product relationships. The articles cover fundamental and applied studies of both modern and ancient rivers, are based on state-of-the-art technology, include complementary philosophical approaches, and span a wide range of spatial and temporal scales. This book includes some of the most recent advances in the study of the morphodynamics and sedimentology of meandering rivers, and is an important resource for those who want to investigate fluvial systems and their deposits.
Gravel Bed Rivers
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Author : Michael Church
language : en
Publisher: John Wiley & Sons
Release Date : 2012-01-30
Gravel Bed Rivers written by Michael Church and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-30 with Nature categories.
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.
Theoretical Morphodynamics River Meandering
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Author : Giovanni Seminara
language : en
Publisher: Firenze University Press
Release Date : 2024-04-05
Theoretical Morphodynamics River Meandering written by Giovanni Seminara and has been published by Firenze University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-05 with Technology & Engineering categories.
This monograph discusses the mechanics of Meandering Rivers with the help of the mathematical and modeling tools built up in the previous monograph of the same Authors (monograph 1 of the present series). After introducing the reader to the ubiquitous character of meandering streams, we discuss the hydrodynamics of curved channels with fixed beds and banks. Next, we extend the analysis to account for the mobile character of the bed and show that it gives rise to the alternate sequence of riffles and pools that characterize river meanders. Allowing for the erodible character of the river banks then allows to build up a rational theory of meander formation able to explain most of the features observed in nature: meander growth, migration, skewing, multiple loops, cutoffs and meander belts.
River Variability And Complexity
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Author : Stanley A. Schumm
language : en
Publisher: Cambridge University Press
Release Date : 2007-08-27
River Variability And Complexity written by Stanley A. Schumm and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-27 with Science categories.
Rivers differ among themselves and through time. An individual river can vary significantly downstream, changing its dimensions and pattern dramatically over a short distance. If hydrology and hydraulics were the primary controls on the morphology and behaviour of large rivers, we would expect long reaches of rivers to maintain characteristic and relatively uniform morphologies. In fact, this is not the case - the variability of large rivers indicates that other important factors are involved. River Variability and Complexity presents an interesting approach to the understanding of river variability. It provides examples of river variability and explains the reasons for them, including fluvial response to human activities. Understanding the mechanisms of variability is important for geomorphologists, geologists, river engineers and sedimentologists as they attempt to interpret ancient fluvial deposits or anticipate river behaviour at different locations and through time. This book provides an excellent background for graduates, researchers and professionals.
Fluvial Hydrodynamics
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Author : Subhasish Dey
language : en
Publisher: Springer
Release Date : 2014-08-22
Fluvial Hydrodynamics written by Subhasish Dey and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-22 with Science categories.
The state-of-the-art in fluvial hydrodynamics can be examined only through a careful exploration of the theoretical development and applied engineering technology. The book is primarily focused, since most up-to-date research findings in the field are presented, on the research aspects that involve a comprehensive knowledge of sediment dynamics in turbulent flows. It begins with the fundamentals of hydrodynamics and particle motion followed by turbulence characteristics related to sediment motion. Then, the sediment dynamics is analysed from a classical perspective by applying the mean bed shear approach and additionally incorporating a statistical description for the role of turbulence. The work finally examines the local scour problems at hydraulic structures and scale models. It is intended to design as a course textbook in graduate / research level and a guide for the field engineers as well, keeping up with modern technological developments. Therefore, as a simple prerequisite, the background of the readers should have a basic knowledge in hydraulics in undergraduate level and an understanding of fundamentals of calculus.
Earth Environments
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Author : David Huddart
language : en
Publisher: John Wiley & Sons
Release Date : 2020-01-07
Earth Environments written by David Huddart and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-07 with Science categories.
Comprehensive coverage of the whole Earth system throughout its entire existence and beyond Complete with a new introduction by the authors, this updated edition helps provide an understanding of the past, present, and future processes that occur on and in our Earth—the fascinating, yet potentially lethal, set of atmospheric, surface, and internal processes that interact to produce our living environment. It introduces students to our planet’s four key interdependent systems: the atmosphere, lithosphere, hydrosphere and biosphere, focusing on their key components, the interactions between them, and environmental change. The book also uses geological case studies throughout, in addition to the modern processes. Topics covered in the Second Edition of Earth Environments: Past, Present and Future include: an Earth systems model; components systems and processes; atmospheric systems; oceanography; surface and internal geological systems; biogeography; and aspects of Earth's record. The book also discusses the impact of climate and environmental change in a final chapter that draws together Earth's systems and their evolution, and looks ahead to potential future changes in Earth’s environments. Updated to include all the major developments since 2008 Features research boxes containing summaries based on recent key journal articles Includes a companion web site containing multiple choice revision quizzes for students, PowerPoint slides for lecturers, useful links, and more Presents further reading for each topic so that students can build their knowledge base to underpin their own undergraduate research project/dissertation Offers additional case studies in each chapter for enhanced reader understanding Earth Environments: Past, Present and Future is an excellent text for undergraduates in geosciences, environmental science, physical geography, natural hazards, and ecology.
Rivers
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Author : Keith Richards
language : en
Publisher: Taylor & Francis
Release Date : 2024-04-01
Rivers written by Keith Richards and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-01 with Science categories.
Originally published in 1982, this book presents a detailed review of alluvial river form and process and integrates the distinct but related approaches of geomorphologists, geologists and engineers to the subject. It outlines the environmental catchment factors that control the development of channel equilibrium and provides a detailed account of the sediment transport processes that represent the physical mechanisms by which channel adjustment occurs. Where possible it evaluates theoretical analyses in the context of the empirical evidence. Rivers should prove a valuable textbook for geomorphology students on advanced undergraduate courses on river behaviour and will also be of interest to students of hydraulics and sedimentology and to those concerned with civil and environmental engineering, river management and channel design, maintenance and management in the water industry