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Modelling Of Water Flow And Solute Transport
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Book Synopsis Modelling of Water Flow and Solute Transport by : Nguyen Duy Binh
Download or read book Modelling of Water Flow and Solute Transport written by Nguyen Duy Binh and published by LAP Lambert Academic Publishing. This book was released on 2012-07 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book focusses on one of the most complex and difficult problems in subsurface flow: the transport of water and dissolved substances through unsaturated soils. The predominantly vertical flow in the unsaturated zone is governing the processes of groundwater recharge as well as the input of any kind of waterborn substances that may be transported from the surface through the unsaturated zone into the groundwater body. The book focusses on analyzing the transport of water and solutes in unsaturated-saturated porous media with special emphasis on macropore effects due to plant roots - a significant effect in agricultural areas. Another specific strength of the present book is to be seen in the fact that a unique set of relatively large soil column tests has been conducted in a field setup, in which the effect of decayed plant roots channels on solute transport processes was investigated. These intensive field tests and the new results derived from the experiments provide a significant step forward in our understanding and quantification of the role of macropores connected with plant root channels.
Book Synopsis A Practical Guide to Groundwater and Solute Transport Modeling by : Karlheinz Spitz
Download or read book A Practical Guide to Groundwater and Solute Transport Modeling written by Karlheinz Spitz and published by Wiley-Interscience. This book was released on 1996-04-12 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on modeling applications, this outstanding reference provides a step-by-step, non-mathematical approach to constructing and using realistic workable groundwater models on a daily basis. Extensive detailed drawings, case studies, practical examples, and sample models illustrate important concepts. Includes data on hydrogeologic features and pollutants plus a glossary of terms.
Book Synopsis Modelling of water flow and solute transport in fractured media by : Miran Veselič
Download or read book Modelling of water flow and solute transport in fractured media written by Miran Veselič and published by . This book was released on 1998 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Flow and Solute Transport Modeling in Aquifers by : Vedat Batu
Download or read book Applied Flow and Solute Transport Modeling in Aquifers written by Vedat Batu and published by CRC Press. This book was released on 2005-07-12 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over recent years, important contributions on the topic of solving various aquifer problems have been presented in numerous papers and reports. The scattered and wide-ranging nature of this information has made finding solutions and best practices difficult. Comprehensive and self-contained, Applied Flow and Solute Transport Modeling in Aquifers co
Book Synopsis Environmental Tracers in Subsurface Hydrology by : Peter G. Cook
Download or read book Environmental Tracers in Subsurface Hydrology written by Peter G. Cook and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Tracers in Subsurface Hydrology synthesizes the research of specialists into a comprehensive review of the application of environmental tracers to the study of soil water and groundwater flow. The book includes chapters which cover ionic tracers, noble gases, chlorofluorocarbons, tritium, chlorine-36, oxygen-18, deuterium, and isotopes of carbon, strontium, sulphur and nitrogen. Applications of the tracers include the estimation of vertical and horizontal groundwater velocities, groundwater recharge rates, inter-aquifer leakage and mixing processes, chemical processes and palaeohydrology. Practicing hydrologists, soil physicists and hydrology professors and students will find the book to be a valuable support in their work.
Book Synopsis Advanced Modeling of Water Flow and Solute Transport in Variably-unsaturated Media by : Martinus Th. van Genuchten
Download or read book Advanced Modeling of Water Flow and Solute Transport in Variably-unsaturated Media written by Martinus Th. van Genuchten and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Experiments on Solute Transport in Ground Water Flow Systems by : Nilkanth Kulkarni
Download or read book Numerical Experiments on Solute Transport in Ground Water Flow Systems written by Nilkanth Kulkarni and published by LAP Lambert Academic Publishing. This book was released on 2011-10 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is written for UG & PG students of civil and environmental engineering and earth sciences. Teachers, researchers and policy makers dealing with water will find it a useful reading material. The book introduces the subject of numerical groundwater flow and solute transport modeling followed by relevant review of literature. Chapter 3 looks to finite difference, finite element, random walk and modified method of characteristics models for groundwater flow and solute transport simulation. Chapter 4 considers validation and implementation of these models for various test cases. Chapter 5 examines the adequacy of best performed coupled model for field problem.
Book Synopsis Field-scale Water Flow and Solute Transport by : Jos C. van Dam
Download or read book Field-scale Water Flow and Solute Transport written by Jos C. van Dam and published by . This book was released on 2000 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical Modeling of Solute Transport in Groundwater by : Mark Goltz
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 272 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
Book Synopsis Applied Soil Hydrology by : Viliam Novák
Download or read book Applied Soil Hydrology written by Viliam Novák and published by Springer. This book was released on 2018-10-24 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This state-of-the-art book clearly explains the basic principles of soil hydrology and the current knowledge in this field. It particularly highlights the estimation and application of measurements and evaluation of soil-hydrophysical characteristics using simulation models, with a focus on elucidating the basic hydrophysical characteristics of soil, such as soil water potential and hydraulic conductivity, as well as the methods of measurement. It also addresses topics such as stony soil, water repellent soils, and water movement modeling in those media. The book presents soil hydrology in a simple way, while quantitatively expressing the soil water state and movement. It clearly and precisely describes basic terms of soil hydrology with a minimum of mathematics. It also includes the latest research findings in the field as well as the basics of the mathematical modeling of water movement in the soil-plant-atmosphere system (SPAS), using original research results to illustrate these issues. This book is of interest to all scientists and professionals in soil hydrology, including beginners, as well as those interested and working in hydrology in general and soil hydrology in particular. In addition, it can also be used by specialists and students in related fields like agronomy, forestry, meteorology, hydrology, environmental engineering, environmental protection, and geography.
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:
Book Synopsis Modeling Unstable Flow and Solute Transport in a Water Repellent Soils by : Hung Viet Nguyen
Download or read book Modeling Unstable Flow and Solute Transport in a Water Repellent Soils written by Hung Viet Nguyen and published by . This book was released on 2002 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Water Flow and Solute Transport in Hierarchical Structured Soil by : Hans-Jörg Vogel
Download or read book Modeling Water Flow and Solute Transport in Hierarchical Structured Soil written by Hans-Jörg Vogel and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Modeling Preferential Water Flow and Solute Transport in Unsaturated Soil Using the Active Region Model by :
Download or read book Modeling Preferential Water Flow and Solute Transport in Unsaturated Soil Using the Active Region Model written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Preferential flow and solute transport are common processes in the unsaturated soil, in which distributions of soil water content and solute concentrations are often characterized as fractal patterns. An active region model (ARM) was recently proposed to describe the preferential flow and transport patterns. In this study, ARM governing equations were derived to model the preferential soil water flow and solute transport processes. To evaluate the ARM equations, dye infiltration experiments were conducted, in which distributions of soil water content and Cl− concentration were measured. Predicted results using the ARM and the mobile-immobile region model (MIM) were compared with the measured distributions of soil water content and Cl− concentration. Although both the ARM and the MIM are two-region models, they are fundamental different in terms of treatments of the flow region. The models were evaluated based on the modeling efficiency (ME). The MIM provided relatively poor prediction results of the preferential flow and transport with negative ME values or positive ME values less than 0.4. On the contrary, predicted distributions of soil water content and Cl- concentration using the ARM agreed reasonably well with the experimental data with ME values higher than 0.8. The results indicated that the ARM successfully captured the macroscopic behavior of preferential flow and solute transport in the unsaturated soil.
Book Synopsis Groundwater Flow and Quality Modelling by : E. Custodio
Download or read book Groundwater Flow and Quality Modelling written by E. Custodio and published by Springer Science & Business Media. This book was released on 1988-02-29 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop on Advances in Analytical and Numerical Groundwater Flow and Quality Modelling, Lisbon, Portugal, June 2-6, 1987
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.
