Conceptual Models of Flow and Transport in the Fractured Vadose Zone

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Publisher : National Academies Press
ISBN 13 : 0309170990
Total Pages : 398 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Conceptual Models of Flow and Transport in the Fractured Vadose Zone by : National Research Council

Download or read book Conceptual Models of Flow and Transport in the Fractured Vadose Zone written by National Research Council and published by National Academies Press. This book was released on 2001-05-21 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid flow and solute transport within the vadose zone, the unsaturated zone between the land surface and the water table, can be the cause of expanded plumes arising from localized contaminant sources. An understanding of vadose zone processes is, therefore, an essential prerequisite for cost-effective contaminant remediation efforts. In addition, because such features are potential avenues for rapid transport of chemicals from contamination sources to the water table, the presence of fractures and other channel-like openings in the vadose zone poses a particularly significant problem, Conceptual Models of Flow and Transport in the Fractured Vadose Zone is based on the work of a panel established under the auspices of the U.S. National Committee for Rock Mechanics. It emphasizes the importance of conceptual models and goes on to review the conceptual model development, testing, and refinement processes. The book examines fluid flow and transport mechanisms, noting the difficulty of modeling solute transport, and identifies geochemical and environmental tracer data as important components of the modeling process. Finally, the book recommends several areas for continued research.

Solute Transport Modelling

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Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Solute Transport Modelling by : Randolf Rausch

Download or read book Solute Transport Modelling written by Randolf Rausch and published by . This book was released on 2005 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Water Flow and Solute Transport in Soils

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Publisher : Springer Science & Business Media
ISBN 13 : 3642779476
Total Pages : 323 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Water Flow and Solute Transport in Soils by : David Russo

Download or read book Water Flow and Solute Transport in Soils written by David Russo and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: A year has passed since Eshel Bresler, my good friend and colleague, and a member of the editorial board of the Advanced Series in Agricultural Sciences, died suddenly while on a visit to the Chinese Academy of Sciences in Beijing. We had worked together for almost 30 years at the Institute of Soils and Water, ARO, The Volcani Center at Bet Dagan. At the very beginning of our scientific careers we cooperated directly and as a result one of our first publications was coauthored (Soil Sci. 101:205-209, 1966). Thereafter, our specific research interests diver sified, but we continued to work together, with similar approaches to research, and to strive towards the development of Israel soil science and its integration into general worldwide scientific progress. I don't need to emphasize Eshel's contribution to the understan ding of the processes governing water flow and solute transport pro cesses in soils and unsaturated zones. The contributions to this Volume by such a body of outstanding scientists shows the apprecia tion of the international scientific community to his research achievements.

Documentation of Computer Program VS2D

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Publisher :
ISBN 13 :
Total Pages : 131 pages
Book Rating : 4.:/5 (475 download)

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Book Synopsis Documentation of Computer Program VS2D by :

Download or read book Documentation of Computer Program VS2D written by and published by . This book was released on 1993 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling Groundwater Flow and Contaminant Transport

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Publisher : Springer Science & Business Media
ISBN 13 : 1402066821
Total Pages : 851 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Modeling Groundwater Flow and Contaminant Transport by : Jacob Bear

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.

Rock Fractures and Fluid Flow

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Publisher : National Academies Press
ISBN 13 : 0309176883
Total Pages : 568 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Rock Fractures and Fluid Flow by : National Research Council

Download or read book Rock Fractures and Fluid Flow written by National Research Council and published by National Academies Press. This book was released on 1996-08-27 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific understanding of fluid flow in rock fracturesâ€"a process underlying contemporary earth science problems from the search for petroleum to the controversy over nuclear waste storageâ€"has grown significantly in the past 20 years. This volume presents a comprehensive report on the state of the field, with an interdisciplinary viewpoint, case studies of fracture sites, illustrations, conclusions, and research recommendations. The book addresses these questions: How can fractures that are significant hydraulic conductors be identified, located, and characterized? How do flow and transport occur in fracture systems? How can changes in fracture systems be predicted and controlled? Among other topics, the committee provides a geomechanical understanding of fracture formation, reviews methods for detecting subsurface fractures, and looks at the use of hydraulic and tracer tests to investigate fluid flow. The volume examines the state of conceptual and mathematical modeling, and it provides a useful framework for understanding the complexity of fracture changes that occur during fluid pumping and other engineering practices. With a practical and multidisciplinary outlook, this volume will be welcomed by geologists, petroleum geologists, geoengineers, geophysicists, hydrologists, researchers, educators and students in these fields, and public officials involved in geological projects.

The Handbook of Groundwater Engineering

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Publisher : CRC Press
ISBN 13 : 1498703054
Total Pages : 1092 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis The Handbook of Groundwater Engineering by : John H. Cushman

Download or read book The Handbook of Groundwater Engineering written by John H. Cushman and published by CRC Press. This book was released on 2016-11-25 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition adds several new chapters and is thoroughly updated to include data on new topics such as hydraulic fracturing, CO2 sequestration, sustainable groundwater management, and more. Providing a complete treatment of the theory and practice of groundwater engineering, this new handbook also presents a current and detailed review of how to model the flow of water and the transport of contaminants both in the unsaturated and saturated zones, covers the protection of groundwater, and the remediation of contaminated groundwater.

Water-resources Investigations Report

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Publisher :
ISBN 13 :
Total Pages : 430 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Water-resources Investigations Report by :

Download or read book Water-resources Investigations Report written by and published by . This book was released on 2000 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Methods in Subsurface Flow

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Publisher : Academic Press
ISBN 13 : 0323137970
Total Pages : 488 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Computational Methods in Subsurface Flow by : Peter S. Huyakorn

Download or read book Computational Methods in Subsurface Flow written by Peter S. Huyakorn and published by Academic Press. This book was released on 2012-12-02 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Methods in Subsurface Flow explores the application of all of the commonly encountered computational methods to subsurface problems. Among the problems considered in this book are groundwater flow and contaminant transport; moisture movement in variably saturated soils; land subsidence and similar flow and deformation processes in soil and rock mechanics; and oil and geothermal reservoir engineering. This book is organized into 10 chapters and begins with an introduction to partial differential and various solution approaches used in subsurface flow. The discussion then shifts to the fundamental theory of the finite element method, with emphasis on the Galerkin finite element method and how it can be used to solve a wide range of subsurface problems. The subjects treated range from simple problems of saturated groundwater flow to more complex ones of moisture movement and multiphase flow in petroleum reservoirs. The chapters that follow focus on fluid flow and mechanical deformation of conventional and fractured porous media; point and subdomain collocation techniques and the boundary element technique; and the applications of finite difference techniques to single- and multiphase flow and solute transport. The final chapter is devoted to other alternative numerical methods that are based on combinations of the standard finite difference approach and classical mathematics. This book is intended for senior undergraduate and graduate students in geoscience and engineering, as well as for professional groundwater hydrologists, engineers, and research scientists who want to solve or model subsurface problems using numerical techniques.

Applied Contaminant Transport Modeling

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Publisher : Wiley
ISBN 13 : 9780471285366
Total Pages : 0 pages
Book Rating : 4.2/5 (853 download)

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Book Synopsis Applied Contaminant Transport Modeling by : Chunmiao Zheng

Download or read book Applied Contaminant Transport Modeling written by Chunmiao Zheng and published by Wiley. This book was released on 1995-08-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applied Contaminant Transport Modeling Theory and Practice Chunmiao Zheng and Gordon D. Bennett The design of remedial systems for groundwater contamination requires a thorough understanding of how various interacting processes — advection, dispersion, and chemical reactions — influence the movement and fate of contaminants. Solute transport simulation provides an ideal vehicle to synthesize these controlling processes, evaluate their interactions, and test the effectiveness of remedial measures. Applied Contaminant Transport Modeling is the first complete resource designed to provide clear coverage of the basic principles of solute transport simulation — including the theory behind the most common numerical techniques for solving transport equations, and step-by-step guidance on the development and use of field-scale models. Written by two experts with extensive practical experience in the field, Applied Contaminant Transport Modeling clearly explains: Factors controlling the transport and fate of solutes in the subsurface —g including advective and dispersive transport and chemical reaction — and the equations governing these processes Development of mathematical models of solute transport regimes and representative analytical solutions to the transport equation Particle tracking as a practical tool for solving many types of field problems Development of Eulerian-Lagrangian methods for solving advection-dispersion-reaction equations Step-by-step development and application of solute transport models — emphasizing problem formulation, model setup, parameter selection, calibration, and sensitivity analysis Sources of uncertainty in transport simulation, and methods of evaluating and managing uncertainty Applied Contaminant Transport Modeling presents detailed case histories illustrating how hydrologists, geologists, chemists, and environmental engineers apply transport models in real-life situations, including landfills, hazardous waste sites, and contaminated aquifers. An optional diskette designed to accompany the text provides software to help the reader explore the concepts and techniques presented in the text and gain hands-on experience in transport simulation. Driven by growing concern over groundwater quality and the rapid dissemination of computer technology, solute transport simulation has become an essential means of evaluating and solving groundwater contamination and remediation problems. Applied Contaminant Transport Modeling provides you with the tools to master this significant field of study.

National Research Program of the Water Resources Division, U.S. Geological Survey, Fiscal Year 1987

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Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis National Research Program of the Water Resources Division, U.S. Geological Survey, Fiscal Year 1987 by :

Download or read book National Research Program of the Water Resources Division, U.S. Geological Survey, Fiscal Year 1987 written by and published by . This book was released on 1988 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Flow and Transport in Porous Formations

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Publisher : Springer Science & Business Media
ISBN 13 : 364275015X
Total Pages : 472 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Flow and Transport in Porous Formations by : Gedeon Dagan

Download or read book Flow and Transport in Porous Formations written by Gedeon Dagan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the mid-seventies, a new area of research has emerged in subsurface hydrology, namely sto chastic modeling of flow and transport. This development has been motivated by the recognition of the ubiquitous presence of heterogeneities in natural formations and of their effect upon transport and flow, on the one hand, and by the vast expansion of computational capability provided by elec tronic machines, on the other. Apart from this, one of the areas in which spatial variability of for mation properties plays a cardinal role is of contaminant transport, a subject of growing interest and concern. I have been quite fortunate to be engaged in research in this area from its inception and to wit ness the rapid growth of the community and of the literature on spatial variability and its impact upon subsurface hydrology. In view of this increasing interest, I decided a few years ago that it would be useful to present the subject in a systematic and comprehensive manner in order to help those who wish to engage themselves in research or application of this new field. I viewed as my primary task to analyze the large scale heterogeneity of aquifers and its effect, presuming that the reader already possesses a background in traditional hydrology. This is achieved in Parts 3, 4 and 5 of the text which incorporate the pertinent material.

U.S. Geological Survey Toxic Substances Hydrology Program

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Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis U.S. Geological Survey Toxic Substances Hydrology Program by : Gail E. Mallard

Download or read book U.S. Geological Survey Toxic Substances Hydrology Program written by Gail E. Mallard and published by . This book was released on 1992 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Solution of the Differential Equation of Longitudinal Dispersion in Porous Media

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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis A Solution of the Differential Equation of Longitudinal Dispersion in Porous Media by : Akio Ogata

Download or read book A Solution of the Differential Equation of Longitudinal Dispersion in Porous Media written by Akio Ogata and published by . This book was released on 1961 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Selected Water Resources Abstracts

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Publisher :
ISBN 13 :
Total Pages : 962 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Selected Water Resources Abstracts by :

Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soil and Environmental Chemistry

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Publisher : Academic Press
ISBN 13 : 0128041951
Total Pages : 592 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Soil and Environmental Chemistry by : William F. Bleam

Download or read book Soil and Environmental Chemistry written by William F. Bleam and published by Academic Press. This book was released on 2016-11-30 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil and Environmental Chemistry, Second Edition, presents key aspects of soil chemistry in environmental science, including dose responses, risk characterization, and practical applications of calculations using spreadsheets. The book offers a holistic, practical approach to the application of environmental chemistry to soil science and is designed to equip the reader with the chemistry knowledge and problem-solving skills necessary to validate and interpret data. This updated edition features significantly revised chapters, averaging almost a 50% revision overall, including some reordering of chapters. All new problem sets and solutions are found at the end of each chapter, and linked to a companion site that reflects advances in the field, including expanded coverage of such topics as sample collection, soil moisture, soil carbon cycle models, water chemistry simulation, alkalinity, and redox reactions. There is also additional pedagogy, including key term and real-world scenarios. This book is a must-have reference for researchers and practitioners in environmental and soil sciences, as well as intermediate and advanced students in soil science and/or environmental chemistry. - Includes additional pedagogy, such as key terms and real-world scenarios - Supplemented by over 100 spreadsheets to migrate readers from calculator-based to spreadsheet-based problem-solving that are directly linked from the text - Includes example problems and solutions to enhance understanding - Significantly revised chapters link to a companion site that reflects advances in the field, including expanded coverage of such topics as sample collection, soil moisture, soil carbon cycle models, water chemistry simulation, alkalinity, and redox reactions

HST3D

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Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis HST3D by : Kenneth L. Kipp

Download or read book HST3D written by Kenneth L. Kipp and published by . This book was released on 1987 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: