Some Aspects of the Shape of River Meanders PDF Download
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Author: Ralph Alger Bagnold
Publisher:
ISBN:
Category : Meandering rivers
Languages : en
Pages : 20
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Book Description
Author: Ralph Alger Bagnold
Publisher:
ISBN:
Category : Meandering rivers
Languages : en
Pages : 20
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Book Description
Author: Walter Basil Langbein
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 24
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Book Description
The geometry of a meander is that of a random walk whose most frequent form minimizes the sum of the squares of the changes in direction in each unit length. Changes in direction closely approximate a sine function of channel distance. Depth, velocity, and slope are adjusted so as to decrease the variance of shear and the friction factor in a meander over that in an otherwise comparable straight reach of the same river.
Author: Alessandra Crosato
Publisher: IOS Press
ISBN: 9781586039158
Category : Computers
Languages : en
Pages : 272
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Book Description
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.
Author: Jeremy Seal
Publisher: Random House
ISBN: 1448139228
Category : Travel
Languages : en
Pages : 420
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Book Description
The course of the Meander is so famously indirect that the river's name has come to signify digression - an invitation Jeremy Seal is duty-bound to accept while travelling the length of it in a one-man canoe. At every twist and turn of his journey, from the Meander's source in the uplands of Central Turkey to its mouth on the Aegean Sea, Seal illuminates his account with a wealth of cultural, historical and personal asides. It is a journey that takes him from Turkey's steppe interior - the stamping ground of such illustrious adventurers as Xerxes, Alexander the Great and the Crusader Kings - to the great port city of Miletus, home of the earliest Western philosophers. Along the way Seal unpicks the history of this remarkable region, but he also encounters a rich assortment of contemporary characters who reveal a rural Turkey on the cusp of change. Above all, this is the story of a river that first brought the cultures of East and West into contact - and conflict - with one another, its banks littered with the spoil of empires, the marks of war, and the detritus of recent industrialisation. At once epic, intimate and insightful, Meander is a brilliant evocation of a land between two worlds.
Author: Yingping Li
Publisher: John Wiley & Sons
ISBN: 1119521793
Category : Science
Languages : en
Pages : 324
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Book Description
A comprehensive handbook on state-of-the-art DAS technology and applications Distributed Acoustic Sensing (DAS) is a technology that records sound and vibration signals along a fiber optic cable. Its advantages of high resolution, continuous, and real-time measurements mean that DAS systems have been rapidly adopted for a range of applications, including hazard mitigation, energy industries, geohydrology, environmental monitoring, and civil engineering. Distributed Acoustic Sensing in Geophysics: Methods and Applications presents experiences from both industry and academia on using DAS in a range of geophysical applications. Volume highlights include: DAS concepts, principles, and measurements Comprehensive review of the historical development of DAS and related technologies DAS applications in hydrocarbon, geothermal, and mining industries DAS applications in seismology DAS applications in environmental and shallow geophysics The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals.
Author: Helgi Johannesson
Publisher:
ISBN:
Category : Meandering rivers
Languages : en
Pages : 424
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Book Description
Author: Bruce L. Rhoads
Publisher: Cambridge University Press
ISBN: 1108173780
Category : Science
Languages : en
Pages : 544
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Book Description
Rivers are important agents of change that shape the Earth's surface and evolve through time in response to fluctuations in climate and other environmental conditions. They are fundamental in landscape development, and essential for water supply, irrigation, and transportation. This book provides a comprehensive overview of the geomorphological processes that shape rivers and that produce change in the form of rivers. It explores how the dynamics of rivers are being affected by anthropogenic change, including climate change, dam construction, and modification of rivers for flood control and land drainage. It discusses how concern about environmental degradation of rivers has led to the emergence of management strategies to restore and naturalize these systems, and how river management techniques work best when coordinated with the natural dynamics of rivers. This textbook provides an excellent resource for students, researchers, and professionals in fluvial geomorphology, hydrology, river science, and environmental policy.
Author: Margaret Wooster
Publisher: Excelsior Editions
ISBN: 9781438484686
Category : History
Languages : en
Pages : 160
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Book Description
Draws on the author's own experiences as a watershed planner, teacher, and activist to tell the story of the Great Lakes region's experiment in restoring a complicated natural system of flowing water.
Author: Massimiliano Ghinassi
Publisher: John Wiley & Sons
ISBN: 1119424461
Category : Science
Languages : en
Pages : 602
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Book Description
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.
Author: Luna Bergere Leopold
Publisher:
ISBN:
Category : Meandering rivers
Languages : en
Pages : 25
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Book Description
