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The Influence of Turbulence on Soil Erosion

The Influence of Turbulence on Soil Erosion
Author: Gijs J. C. M. Hoffmans
Publisher: Eburon Uitgeverij B.V.
Total Pages: 262
Release: 2012
Genre: Scour (Hydraulic engineering).
ISBN: 9059726820

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This publication outlines the relevance of turbulence on the initiation of motion of soil and explains the interaction between the load and the resistance against erosion or the strength of the bed material. The stability of stones, sand, clay and grass is discussed by using Newton's second law and a definition of the turbulence energy. Usually the equilibrium scour depth caused by jets and at piers/abutments is predicted by applying empirical relations. This publication discusses a scour approach which is based on two steps. First, a control volume that represents the scour hole is considered. Secondly, the relevant forces are determined. Newton's second law is applied, that is, the sum of forces equals zero since the scour hole is in equilibrium. This approach is discussed for different types of jet scour and scouring downstream of sills and near bridge piers and abutments.


Soil Erosion

Soil Erosion
Author: Terrence J. Toy
Publisher: John Wiley & Sons
Total Pages: 360
Release: 2002-05-27
Genre: Technology & Engineering
ISBN: 9780471383697

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- Problem der Bodenerosion wird hier mit ganzheitlichem Ansatz besprochen - Ursachen und Auswirkungen der Erosion werden in sozialökonomischen Kontext gebracht - ausführliche Angaben über Methoden der Verfolgung von Bodenerosion (GPS, GIS, Erdfernerkundung) - mit einer gut verständlichen allgemeinen Einführung in Bodenkunde und Hydrologie


Scour and Erosion

Scour and Erosion
Author: Liang Cheng
Publisher: CRC Press
Total Pages: 836
Release: 2014-11-06
Genre: Technology & Engineering
ISBN: 1138027324

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The 7th International Conference on Scour and Erosion (ICSE 2014) was organised by the School of Civil, Environmental and Mining Engineering and the Centre for Offshore Foundation Systems at the University of Western Australia under the guidance of the Technical Committee 213 for Scour and Erosion of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE). This biennial conference draws together leading academics, scientists and engineers engaged in scour and erosion research to present and exchange their latest scientific findings. These proceedings, together with the six previous proceedings dating from 2002, present a rare collection of technical and scientific developments in scour and erosion research which have been established over the last 12 years. This book includes state-of-the-art papers in scour and erosion from ICSE 2014, covering the 6 themes of: internal erosion, sediment transport, advanced numerical modelling of scour and erosion, terrestrial scour and erosion, river/bridge scour and erosion, and marine scour and erosion. The proceedings include 5 keynote lectures from world leading researches cutting across the themes of scour and erosion, together with 87 peer-reviewed papers from 19 countries. This book is ideal for researchers and industry working at the forefront of scour and erosion, both with application to rivers and marine operations.


The Effect of Hydrology on Soil Erosion

The Effect of Hydrology on Soil Erosion
Author: Jesús Rodrigo-Comino
Publisher: MDPI
Total Pages: 244
Release: 2021-01-21
Genre: Science
ISBN: 3039366440

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This Special Issue includes manuscripts about soil erosion and degradation processes and the accelerated rates due to hydrological processes and climate change. The new research included in this issue focuses on measurements, modeling, and experiments in field or laboratory conditions developed at different scales (pedon, hillslope, and catchment). This Special Issue received investigations from different parts of the world such as Ethiopia, Morocco, China, Iran, Italy, Portugal, Greece, and Spain, among others. We are happy to see that all papers presented findings characterized as unconventional, provocative, innovative, and methodologically new. We hope that the readers of the journal Water can enjoy and learn about hydrology and soil erosion using the published material, and share the results with the scientific community, policymakers, and stakeholders to continue this amazing adventure, facing plenty of issues and challenges.


Mechanics of Wind Erosion

Mechanics of Wind Erosion
Author: J. H. Stallings
Publisher:
Total Pages: 20
Release: 1951
Genre: Soil conservation
ISBN:

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River Flow 2016

River Flow 2016
Author: George Constantinescu
Publisher: CRC Press
Total Pages: 2434
Release: 2016-06-22
Genre: Technology & Engineering
ISBN: 1315644479

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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 (extended abstract book 854 pages + full paper CD-ROM 2436 pages) 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.


NBS Special Publication

NBS Special Publication
Author:
Publisher:
Total Pages: 360
Release: 1971
Genre: Weights and measures
ISBN:

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Soil Erosion

Soil Erosion
Author: Arthur J. Fournier
Publisher:
Total Pages: 0
Release: 2011
Genre: Soil erosion
ISBN: 9781617611865

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Soil erosion is perceived as a major and widespread form of soil degradation and it has large environmental and economic impacts at different scales, especially in agricultural areas. Even though erosion originally is a natural process, influenced by physical factors, current human interventions in the landscape often accelerate natural erosion rates tremendously. Consequently, social, economic and political factors are decisive in determining soil erosion risk. This book gathers and presents current research from around the globe in the study of soil erosion, including research on erosion measurements and estimates with reference to water erosion in mountain environments; radiocaesium as a tool of erosion studies; and mitigation strategies to counteract soil erosion.