GROUNDWATER HYDRAULICS AND POLLUTANT TRANSPORT

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Groundwater Hydraulics And Pollutant Transport

Author : Randall J. Charbeneau
ISBN : 9781478608318
Genre : Technology & Engineering
File Size : 80.97 MB
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This rigorous and comprehensive text provides fundamental information geared to students in either engineering or natural sciences courses dealing with groundwater. The first four chapters consider subsurface fluid flow, while the remaining twelve chapters cover subsurface contamination and pollutant transport. Charbeneau views the application of groundwater hydraulics and pollutant transport as a quantitative field. Although quantitative methods are exact, the fields of study are usually homogeneous; laboratory and field methods provide estimates for ideal (not real) fields. What impact does the use of ideal fields have on model predictions? The unknown answer places the study of subsurface flow of water and chemical mass transport in a prime position for continued researchand this readily accessible text opens the door to that research. Outstanding features include: Comprehensive, rigorous, and highly accessible coverageIncludes information on groundwater flow, well hydraulics, field methods for parameter estimation, hydrologic relationships between surface water and groundwater hydrology, mass transport of contaminants by advection, diffusion and dispersion, and special problems posed by nonaqueous phase liquids (oils). Strong focus on applicationsEmpowers readers with knowledge and methodologies that they can use in real, day-to-day practices. Includes 66 worked examples and 178 problems integrated throughout. Examination of standard software being used in the industry todayExposes readers to the USGS MODFLOW model (the most widely used numerical simulation model for groundwater flow) and the USGS MOC3D. These models, together with a user interface (MFI), can be downloaded from the Internet.
Category: Technology & Engineering

Groundwater Hydrology

Author : M. Karamouz
ISBN : 9781439891216
Genre : Science
File Size : 53.42 MB
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Increasing demand for water, higher standards of living, depletion of resources of acceptable quality, and excessive water pollution due to urban, agricultural, and industrial expansions have caused intense environmental, social, economic, and political predicaments. More frequent and severe floods and droughts have changed the ability and resiliency of water infrastructure systems to operate and provide services to the public. These concerns and issues have also changed the way we plan and manage our surface and groundwater resources. Groundwater Hydrology: Engineering, Planning, and Management presents a compilation of the state-of-the-art subjects and techniques in the education and practice of groundwater and describes them in a systematic and integrated fashion useful for undergraduate and graduate students and practitioners. The book develops a system view of groundwater fundamentals and model-making techniques through the application of science, engineering, planning, and management principles. It discusses the classical issues in groundwater hydrology and hydraulics followed by coverage of water quality issues. The authors delineate the process of analyzing data, identification, and parameter estimation; tools and model-building techniques and the conjunctive use of surface and groundwater techniques; aquifer restoration, remediation, and monitoring techniques; and analysis of risk. They touch on groundwater risk and disaster management and then explore the impact of climate change on groundwater and discuss the tools needed for analyzing future data realization and downscaling large-scale low-resolution data to local watershed and aquifer scales for impact studies. The combined coverage of engineering and planning tools and techniques as well as specific challenges for restoration and remediation of polluted aquifers sets this book apart. It also introduces basic tools and techniques for making decisions about and planning for future groundwater development activities, taking into account regional sustainability issues. An examination of the interface between groundwater challenges, the book demonstrates how to apply systems analysis techniques to groundwater engineering, planning, and management.
Category: Science

Subsurface Solute Transport Models And Case Histories

Author : Vyacheslav G. Rumynin
ISBN : 9789400713062
Genre : Science
File Size : 44.92 MB
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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.
Category: Science

Remediation Hydraulics

Author : Fred C. Payne
ISBN : 1420006843
Genre : Science
File Size : 86.32 MB
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In situ treatments involving the arrangement of contact between prospective reactants in complex porous media require a refined understanding of solute migration. However, the tools and methods used to predict and control fluid movement in the subsurface need significant improvement. Practitioners and regulators must develop novel methods to achieve an advanced understanding of treatment mechanisms. Remediation Hydraulics addresses the need to predict and control fluid movement in the subsurface. It demonstrates how to conduct realistic assessments of contaminant plume structure and achieve contact between injected reagents and target compounds. The book describes both the advection-dispersion and continuous random walk theories of mass transport as well as explains the practical implications of each theory in remedial system design. In addition, it devotes an entire section to the development of conceptual site models and hydrostratigraphic characterization techniques that will aid practitioners in assessing the role of depositional environments in patterning groundwater flows and containment distributions. Based the authors’ sound experience at over one hundred groundwater treatment projects, this bookprovides an arsenal of relevant theories and practical applications to aid practitioners and regulators in the prediction of fluid movement in the subsurface as well as in the design of pilot to full-scale remediation systems.
Category: Science

Selected Topics Of Computational And Experimental Fluid Mechanics

Author : Jaime Klapp
ISBN : 9783319114873
Genre : Science
File Size : 87.92 MB
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This book contains invited lectures and selected contributions presented at the Enzo Levi and XIX Annual Meeting of the Fluid Dynamic Division of the Mexican Physical Society in 2013. It is aimed at fourth year undergraduate and graduate students, and scientists in the fields of physics, engineering and chemistry who are interested in fluid dynamics from an experimental and theoretical point of view. The invited lectures are introductory and avoid the use of complicated mathematics. The fluid dynamics applications include multiphase flow, convection, diffusion, heat transfer, rheology, granular material, viscous flow, porous media flow, geophysics and astrophysics. The material contained in the book includes recent advances in experimental and theoretical fluid dynamics and is suitable for both teaching and research.
Category: Science

Ground Water Contamination

Author : Philip B. Bedient
ISBN : UOM:39015048936507
Genre : Science
File Size : 57.86 MB
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Intended for hydrogeologists, engineers, and college students in those or related fields, this updated edition discusses the theory and practice of ground water contamination modeling and remediation. New coverage includes a full chapter on sorption, biodegradation, and natural attenuation processes
Category: Science

Fuzzy Rule Based Modeling With Applications To Geophysical Biological And Engineering Systems

Author : Andras - Bardossy
ISBN : 0849378338
Genre : Technology & Engineering
File Size : 71.2 MB
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This book presents in a systematic and comprehensive manner the modeling of uncertainty, vagueness, or imprecision, alias "fuzziness," in just about any field of science and engineering. It delivers a usable methodology for modeling in the absence of real-time feedback. The book includes a short introduction to fuzzy logic containing basic definitions of fuzzy set theory and fuzzy rule systems. It describes methods for the assessment of rule systems, systems with discrete response sets, for modeling time series, for exact physical systems, examines verification and redundancy issues, and investigates rule response functions. Definitions and propositions, some of which have not been published elsewhere, are provided; numerous examples as well as references to more elaborate case studies are also given. Fuzzy rule-based modeling has the potential to revolutionize fields such as hydrology because it can handle uncertainty in modeling problems too complex to be approached by a stochastic analysis. There is also excellent potential for handling large-scale systems such as regionalization or highly non-linear problems such as unsaturated groundwater pollution.
Category: Technology & Engineering

Water Resources Engineering

Author : Larry W. Mays
ISBN : 0471705241
Genre : Nature
File Size : 88.33 MB
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Learn the principles and practice of water resources engineering from a leader in the field! Now updated with a new chapter on sedimentation (Chapter 18), this 2005 Edition of Larry Mays's WATER RESOURCES ENGINEERING provides you with the state-of-the-art in the field. With remarkable range and depth of coverage, Professor Mays presents a straightforward, easy-to-understand presentation of hydraulic and hydrologic processes using the control volume approach. He then extends these processes into practical applications for water use and water excess, including water distribution systems, stormwater control, and flood control. With its strong emphasis on analysis and design, this text will be a resource you'll refer to throughout your career! Features "New!" A new chapter (Chapter 18) covers sedimentation. Practical applications will prepare you for engineering practice. Coverage spans an extraordinary range of topics. Many example problems with solutions will help you hone your problem-solving skills. Practice problems at the end of each chapter offer you the opportunity to apply what you've learned. Includes a review of basic fluid concepts and the control volume approach to fluid mechanics. Larry W. Mays is Professor of Civil and Environmental Engineering at Arizona State University and former chair of the department. He was formerly Director of the Center for Research in Water Resources at The University of Texas at Austin, where he also held an Engineering Foundation Endowed Professorship. A registered professional engineer in seven states and a registered professional hydrologist, he has served as a consultant to many organizations. Professor Mays is author of "Optimal Control for Hydrosystems" (Marcel-Dekkar, Inc.), co-author of "Applied Hydrology" (McGraw-Hill) and "Hydrosystems Engineering and Management" (McGraw-Hill), and editor-in-chief of the "Water Resources Handbook" (McGraw-Hill), "Hydraulic Design Handbook" (McGraw-Hill), and the "Water Distribution Systems Handbook" (McGraw-Hill). He was also editor-in-chief of "Reliability Analysis of Water Distribution Systems" (ASCE) and co-editor of "Computer Modeling of Free Surface and Pressurized Flows" (Kluwer Academic Publishers). Among his honors include a distinguished alumnus award from the University of Illinois at Urbana-Champaign in 1999.
Category: Nature