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Author : Wolfgang Summer,Eduard Klaghofer,Wei Zhang
Publisher : IAHS Press
Page : 468 pages
File Size : 42,9 Mb
Release : 1998
Category : Sediment transport
ISBN : 1901502503
Author : R. P. C. Morgan,Mark Nearing
Publisher : John Wiley & Sons
Page : 608 pages
File Size : 53,9 Mb
Release : 2016-04-13
Category : Technology & Engineering
ISBN : 9781444328462
The movement of sediment and associated pollutants over thelandscape and into water bodies is of increasing concern withrespect to pollution control, prevention of muddy floods andenvironmental protection. In addition, the loss of soil on site hasimplications for declining agricultural productivity, loss ofbiodiversity and decreased amenity and landscape value. The fate ofsediment and the conservation of soil are important issues for landmanagers and decision-makers. In developing appropriate policiesand solutions, managers and researchers are making greater use oferosion models to characterise the processes of erosion and theirinteraction with the landscape. A study of erosion requires one to think in terms ofmicroseconds to understand the mechanics of impact of a singleraindrop on a soil surface, while landscapes form over periods ofthousands of years. These processes operate on scales ofmillimetres for single raindrops to mega-metres for continents.Erosion modelling thus covers quite a lot of ground. This bookintroduces the conceptual and mathematical frameworks used toformulate models of soil erosion and uses case studies to show howmodels are applied to a variety of purposes at a range of spatialand temporal scales. The aim is to provide land managers and otherswith the tools required to select a model appropriate to the typeand scale of erosion problem, to show what users can expect interms of accuracy of model predictions and to provide anappreciation of both the advantages and limitations of models.Problems covered include those arising from agriculture, theconstruction industry, pollution and climatic change and range inscale from farms to small and large catchments. The book will alsobe useful to students and research scientists as an up-to-datereview of the state-of-art of erosion modelling and, through aknowledge of how models are used in practice, in highlighting thegaps in knowledge that need to be filled in order to develop evenbetter models.
Author : Mohamed Meddi,Gil Mahé,Hafzullah Aksoy
Publisher : MDPI
Page : 212 pages
File Size : 45,5 Mb
Release : 2019-09-17
Category : Technology & Engineering
ISBN : 9783039214310
Climate and anthropogenic changes impact the conditions of erosion and sediment transport in rivers. Rainfall variability and, in many places, the increase of rainfall intensity have a direct impact on rainfall erosivity. Increasing changes in demography have led to the acceleration of land cover changes in natural areas, as well as in cultivated areas, and, sometimes, in degraded areas and desertified landscapes. These anthropogenized landscapes are more sensitive to erosion. On the other hand, the increase in the number of dams in watersheds traps a great portion of sediment fluxes, which do not reach the sea in the same amount, nor at the same quality, with consequences on coastal geomorphodynamics. This book is dedicated to studies on sediment fluxes from continental areas to coastal areas, as well as observation, modeling, and impact analysis at different scales from watershed slopes to the outputs of large river basins. This book is concentrated on a number of keywords: “erosion” and “sediment transport”, “model” and “practice”, and “change”. The keywords are briefly discussed with respect to the relevant literature. The contributions in this book address observations and models based on laboratory and field data, allowing researchers to make use of such resources in practice under changing conditions.
Author : M. Stone,IAHS International Commission on Continental Erosion
Publisher : Unknown
Page : 324 pages
File Size : 43,8 Mb
Release : 2024-07-02
Category : Electronic
ISBN : 1901502260
Author : Dirk Henk De Boer
Publisher : Unknown
Page : 268 pages
File Size : 55,6 Mb
Release : 2003
Category : Basins (Geology)
ISBN : 1901502228
Author : H.-R. Bork
Publisher : Unknown
Page : 184 pages
File Size : 49,8 Mb
Release : 1991
Category : Erosion
ISBN : UCSD:31822016459653
A Symposium dedicated to Heinrich Rohdenburg was held in August and September 1989 at Königslutter, FRG. The papers contained in this volume are a selection of those presented at the symposium. Reflecting the wide range of geomorphological, hydrological, pedological, and geoecological research fields of Heiner Rohdenburg the papers of this Catena Supplement vary from general diagnoses and considerations concerning the evolution of landscapes, process studies in the laboratory and in the field to process-orientated models. Honouring the extraordinary, ecosystem-oriented work of Heiner Rohdenburg, the papers present the state of the art, indicating many directions for future research.
Author : John Boardman,David Favis-Mortlock
Publisher : Springer Science & Business Media
Page : 552 pages
File Size : 48,9 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783642589133
TO THE MODEL EVALUATION 1. MODELLING SOIL EROSION BY WATER l 2 John Boardman and David Favis-Mortlock 1 School of Geography and Environmental Change Unit Mansfield Road University of Oxford Oxford OX1 3TB UK 2 Environmental Change Unit University of Oxford 5 South Parks Road Oxford OX1 3UB UK Introduction This volume is the Proceedings of the NATO Advanced Research Workshop 'Global Change: Modelling Soil Erosion by Water', which was held on II-14th September 1995, at the University of Oxford, UK. The meeting was also one of a series organised by the IGBP 1 GCTE Soil Erosion Network, which is a component of GCTE's Land Degradation Task (3.3.2) (Ingram et aI., 1996; Valentin, this volume). One aim of the GCTE Soil Erosion Network is to evaluate the suitability of existing soil erosion models for predicting the possible impacts of global change upon soil erosion. Due to the wide range of erosion models currently, in use or under development, it was decided to evaluate models in the following sequence Favis-Mortlock et al., 1996): • field-scale water erosion models • catchmenr-scale water erosion models • wind erosion models • models with a landscape-scale and larger focus. As part of this strategy, the first stage of the GCTE validation of field-scale erosion models was carried out at the Oxford NATO-ARW. I A list of Acronyms fonns Appendix A.
Author : Philip N. Owens,A. J. Collins
Publisher : CABI
Page : 344 pages
File Size : 43,7 Mb
Release : 2006
Category : Science
ISBN : 9781845930295
This book reviews the major achievements recently made in soil erosion and sediment redistribution research and management, and identifies future requirements. The book presents work from key players in river basin soil erosion and sediment redistribution from sources to sinks, field to riverbank, from academia to policy and industry. It examines the developments made in three themes - measurement, modelling and management - and covers a variety of scales (in both time and space) and geographical locations.
Author : Valentin Golosov,Vladimir Belyaev,D. E. Walling
Publisher : Unknown
Page : 518 pages
File Size : 54,5 Mb
Release : 2004
Category : Science
ISBN : 1901502678
Author : Jim Bogen,Tharan Fergus,D. E. Walling
Publisher : Unknown
Page : 252 pages
File Size : 53,9 Mb
Release : 2003
Category : Science
ISBN : 1901502422
Author : Z.Y. Wang,Shi-Xiong Hu
Publisher : CRC Press
Page : 917 pages
File Size : 49,6 Mb
Release : 2020-12-17
Category : Technology & Engineering
ISBN : 9781000100389
The applications of stochastic methods in design by reliability include the better utilisation of hydrological information. With statistical methods one can evaluate the safety component of hydraulic systems. Based on these, extra safety features can be added to ensure the reliable performance of an hydraulic system. One such example is the design of a dam, which features a number of random variables, each with a very distinct and quite different probability function. This book reports on developments in stochastic hydraulics across a wide range of applications, including river hydraulics, sediment transportation, waves and coastal processes, hydrology, hydraulic works and structure, and environmental hydraulics.
Author : Ramon J. Batalla,Celso García
Publisher : Unknown
Page : 262 pages
File Size : 40,5 Mb
Release : 2005
Category : Nature
ISBN : 1901502287
Progress towards a present-day diagnosis of, and future strategies for, environmental management of rivers and catchments, with particular reference to Mediterranean (semiarid) environments. Geomorphological processes at both the basin and the river levels, and their interactions and relations with human activities that interfere with them, are explored.
Author : William A. Reiners,Kenneth L. Driese
Publisher : Cambridge University Press
Page : 332 pages
File Size : 54,7 Mb
Release : 2004-07-08
Category : Nature
ISBN : 0521800498
A conceptual framework for the study and understanding of the propagation of ecological influences in nature.
Author : William A. Reiners,Kenneth L. Driese
Publisher : Cambridge University Press
Page : 322 pages
File Size : 52,5 Mb
Release : 2004-07-08
Category : Nature
ISBN : 0521804841
William Reiners and Kenneth Driese introduce a conceptual framework for studying the propagation of ecological influences across landscapes. They also provide examples of models that describe and predict propagation. Their volume is an excellent graduate-level introduction to the field of landscape ecology, which is concerned with the effects of spatial patterns on ecological processes, especially the movement of organisms, abiotic materials and energy across landscapes.
Author : Marian Muste,Dennis A. Lyn,David Admiraal,Robert Ettema,Vladimir Nikora,Marcelo H. Garcia
Publisher : CRC Press
Page : 458 pages
File Size : 41,9 Mb
Release : 2017-07-28
Category : Science
ISBN : 9781351657761
This is the first volume of a two-volume guide to designing, conducting and interpreting laboratory and field experiments in a broad range of topics associated with hydraulic engineering. Specific guidance is provided on methods and instruments currently used in experimental hydraulics, with emphasis on new and emerging measurement technologies and methods of analysis. Additionally, this book offers a concise outline of essential background theory, underscoring the intrinsic connection between theory and experiments. This book is much needed, as experimental hydraulicians have had to refer to guidance scattered in scientific papers or specialized monographs on essential aspects of laboratory and fieldwork practice. The book is the result of the first substantial effort in the community of hydraulic engineering to describe in one place all the components of experimental hydraulics. Included is the work of a team of more than 45 professional experimentalists, who explore innovative approaches to the vast array of experiments of differing complexity encountered by today’s hydraulic engineer, from laboratory to field, from simple but well-conceived to complex and well-instrumented. The style of this book is intentionally succinct, making frequent use of convenient summaries, tables and examples to present information. All researchers, practitioners, and students conducting or evaluating experiments in hydraulics will find this book useful.