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Author : Prasanna V. Sampath
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.3/5 (129 download)
Download or read book Effects of Heterogeneity on Groundwater Flow and Contaminant Transport written by Prasanna V. Sampath and published by . This book was released on 2006 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ken A. Ewers
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.3/5 (129 download)
Download or read book Three-dimensional Groundwater Flow and Contaminant Transport in Medium Scale Highly Heterogeneous Environments written by Ken A. Ewers and published by . This book was released on 1997 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F.B.J. Barends
Publisher : Routledge
ISBN 13 : 1351444026
Total Pages : 313 pages
Book Rating : 4.3/5 (514 download)
Download or read book Groundwater Contaminant Transport written by F.B.J. Barends and published by Routledge. This book was released on 2017-07-12 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Impacts of developed tools of heterogenous characterization on the hydrodynamics of flow and the transport mechanisms are illustrated in this text through a series of extensive numerical simulations consisting of single and multiple-realizations (Monte Carlo method).
Author : A.M.M. Elfeki
Publisher : CRC Press
ISBN 13 : 9789054106654
Total Pages : 312 pages
Book Rating : 4.1/5 (66 download)
Download or read book Groundwater Contaminant Transport written by A.M.M. Elfeki and published by CRC Press. This book was released on 1997-01-01 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Impacts of developed tools of heterogenous characterization on the hydrodynamics of flow and the transport mechanisms are illustrated in this text through a series of extensive numerical simulations consisting of single and multiple-realizations (Monte Carlo method).
Author : Elizabeth Marie Elliott
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.:/5 (69 download)
Download or read book Comparative Groundwater Flow and Transport Models to Investigate the Effect of Geologic Heterogeneity written by Elizabeth Marie Elliott and published by . This book was released on 2002 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H.E. Kobus
Publisher : CRC Press
ISBN 13 : 9789061918790
Total Pages : 512 pages
Book Rating : 4.9/5 (187 download)
Download or read book Contaminant Transport in Groundwater written by H.E. Kobus and published by CRC Press. This book was released on 1989-01-01 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceeding of a symposium on Contaminant transport in groundwater held in Stuttgart, April 1989. Topics covered include: Field methods & data processing; Field studies & tracer experiments; Contaminant chemistry & column experiments; Modelling of chemistry coupled to transport; Dispersion theory & transport in fractured media; Numerical aspects of modelling, parameter identification & optimization; Multiphase flow & transport in saturated soil.
Author : Christopher Terry Green
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.:/5 (64 download)
Download or read book Effects of Heterogeneity on Reactive Transport in Geologic Media written by Christopher Terry Green and published by . This book was released on 2002 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 1402066821
Total Pages : 851 pages
Book Rating : 4.4/5 (2 download)
Download or read book Modeling Groundwater Flow and Contaminant Transport written by Jacob Bear and published by Springer Science & Business Media. This book was released on 2010-01-18 with total page 851 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many parts of the world, groundwater resources are under increasing threat from growing demands, wasteful use, and contamination. To face the challenge, good planning and management practices are needed. A key to the management of groundwater is the ability to model the movement of fluids and contaminants in the subsurface. The purpose of this book is to construct conceptual and mathematical models that can provide the information required for making decisions associated with the management of groundwater resources, and the remediation of contaminated aquifers. The basic approach of this book is to accurately describe the underlying physics of groundwater flow and solute transport in heterogeneous porous media, starting at the microscopic level, and to rigorously derive their mathematical representation at the macroscopic levels. The well-posed, macroscopic mathematical models are formulated for saturated, single phase flow, as well as for unsaturated and multiphase flow, and for the transport of single and multiple chemical species. Numerical models are presented and computer codes are reviewed, as tools for solving the models. The problem of seawater intrusion into coastal aquifers is examined and modeled. The issues of uncertainty in model input data and output are addressed. The book concludes with a chapter on the management of groundwater resources. Although one of the main objectives of this book is to construct mathematical models, the amount of mathematics required is kept minimal.
Author : Souad N. Al-Azzawi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (233 download)
Download or read book An Integrated Approach to Subsurface Heterogeneity Measurement for Three-dimensional Ground Water Flow and Contaminant Transport Modeling written by Souad N. Al-Azzawi and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vyacheslav G. Rumynin
Publisher : Springer Science & Business Media
ISBN 13 : 9400713061
Total Pages : 820 pages
Book Rating : 4.4/5 (7 download)
Download or read book Subsurface Solute Transport Models and Case Histories written by Vyacheslav G. Rumynin and published by Springer Science & Business Media. This book was released on 2012-01-14 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book addresses the development of the basic knowledge of the subsurface solute transfer with a particular emphasis on field data collection and analysis coupled with modeling (analytical and numerical) tool application. The relevant theoretical developments are concerned mainly with the formulation and solution of deterministic mass-transport equations for a wide range of engineering issues in groundwater quality assessment and forecasting. The book gives many computational examples and case studies drawn from the conducted field investigations. The analyzed problems are as follows: investigation and prediction of groundwater contamination by industrial contaminants and solutions (radionuclides, chloride and nitrate brine) with special focus on the effect of (a) aquifer heterogeneity, anisotropy, and dual porosity, (b) density contrast existing between industrial waste and groundwater, or in density-stratified artesian and coastal groundwater systems; (c) physicochemical interactions that play a major role in retarding (e.g. adsorption) or enhancing (e.g. interactions between dissolved species and mobile colloids) contaminant transport; prediction of the effects of pumping on groundwater quality at wellfields; groundwater dating using stable and radioactive isotopes for prediction and assessment of contamination potential; field and laboratory tests’ design and analysis, and monitoring data interpretation; partitioning of surface and subsurface flows using isotope techniques. One of the most essential topics addressed in the book is the migration and fate of radionuclides. Model development is motivated by field data analysis from a number of radioactively contaminated sites in the Russian Federation: near-surface radioactive waste disposal sites and deep-well radioactive waste injection sites. They play a unique role in the advancement of knowledge of the subsurface behavior and fate of many hazardous radionuclides and can be considered as field-scale laboratories. Thus, the book, along with theoretical findings, contains field information, which will facilitate the understanding of subsurface solute transport and the development of a methodology for practical applications to groundwater hydrology.
Author : Mark Goltz
Publisher : John Wiley & Sons
ISBN 13 : 1119300274
Total Pages : 270 pages
Book Rating : 4.1/5 (193 download)
Download or read book Analytical Modeling of Solute Transport in Groundwater written by Mark Goltz and published by John Wiley & Sons. This book was released on 2017-02-08 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Teaches, using simple analytical models how physical, chemical, and biological processes in the subsurface affect contaminant transport Uses simple analytical models to demonstrate the impact of subsurface processes on the fate and transport of groundwater contaminants Includes downloadable modeling tool that provides easily understood graphical output for over thirty models Modeling tool and book are integrated to facilitate reader understanding Collects analytical solutions from many sources into a single volume and, for the interested reader, shows how these solutions are derived from the governing model equations
Author : François A. Richard
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book The Effect of Transient Flow on Contaminant Dispersion in Porous Media written by François A. Richard and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our ability to predict solute transport in groundwater is limited by our imperfect understanding of the physical processes governing the spreading of underground contaminant plumes beneath the surface. Inaccurate prediction of solute migration can in turn result in unreliable risk analyses, or higher costs for groundwater decontamination. It is generally accepted that spatial variations in the hydraulic conductivity of porous materials largely contributes to the spreading of solutes dissolved in groundwater. Unsteady hydraulic gradients can also enhance this dispersion by imposing an additional source of variability on the flow field. Most field and numerical studies assume steady state groundwater flow, despite compelling field evidence suggesting that flow transience may be ubiquitous. This study characterizes the effects of transient groundwater flow on contaminant migration in both homogeneous and heterogeneous porous media. The macroscopic dispersion of miscible solutes subjected to unsteady flow fields is assessed quantitatively through a series of laboratory experiments and numerical simulations. An innovative laboratory model is presented, which consists of a two-dimensional flow cell and coupled hydraulic control system that allow the construction of spatially homogeneous or heterogeneous porous media of prescribed statistical properties, and to impose deterministic flow transients on the system. A monitoring procedure combining image processing with spatial moment analysis is used to characterize with great spatial and temporal resolution the evolution of contaminant plumes, as measured from sequences of digital images acquired during the course of laboratory experiments. Results suggest that the influence of flow transience on solute dispersion compares well with results reported in the literature, based on theoretical or numerical investigations. Changes in the mean flow direction significantly increase transverse dispersion in proportion to the rotation angle; conversely, longitudinal dispersivity decreases in response to variations in the flow direction, but to a lesser extent. Reversing hydraulic gradients can cause a reduction in the plume extents, or plume "shrinking". Although both the spatial and temporal variability enhance solute spreading, heterogeneity of the porous medium can mask the temporal variations in the flow field. The increased complexity introduced by the spatial and temporal variability can lead to inconsistencies between experimental and numerical models.
Author : Hongbin Zhan
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (368 download)
Download or read book Ground Water Flow and Contaminant Transport in Strongly Heterogeneous Porous Media and in Fractal Porous Media written by Hongbin Zhan and published by . This book was released on 1996 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tian-Chyi Yeh
Publisher : Cambridge University Press
ISBN 13 : 1107076137
Total Pages : 353 pages
Book Rating : 4.1/5 (7 download)
Download or read book Flow Through Heterogeneous Geological Media written by Tian-Chyi Yeh and published by Cambridge University Press. This book was released on 2015-07-07 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book integrates principles of flow through porous media with stochastic analyses, for advanced-level students, researchers and professionals in hydrogeology and hydraulics.
Author : Zhonghe Wang
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (36 download)
Download or read book Stochastic Simulation and the Modeling of Groundwater Flow and Contaminant Transport in Heterogeneous and Anisotropic Porous Media written by Zhonghe Wang and published by . This book was released on 1996 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elizabeth Harrison (A.)
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (256 download)
Download or read book A Modeling Study of the Impact of Heterogeneity on Contaminant Transport in Aggregated Soils written by Elizabeth Harrison (A.) and published by . This book was released on 1991 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rafael L. Bras
Publisher : Courier Corporation
ISBN 13 : 9780486676265
Total Pages : 580 pages
Book Rating : 4.6/5 (762 download)
Download or read book Random Functions and Hydrology written by Rafael L. Bras and published by Courier Corporation. This book was released on 1993-01-01 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced-level view of the tools of random processes and field theory as applied to the analysis and synthesis of hydrologic phenomena. Topics include time-series analysis, optimal estimation, optimal interpolation (Kriging), frequency-domain analysis of signals, and linear systems theory. Techniques and examples chosen to illustrate the latest advances in hydrologic signal analysis. Useable as graduate-level text in water resource systems, stochastic hydrology, random processes and signal analysis. 202 illustrations.
