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Author : Richard L. Cooley,Geological Survey (États-Unis).
Publisher : Unknown
Page : 220 pages
File Size : 50,7 Mb
Release : 2004
Category : Groundwater flow
ISBN : 9790607967769
Author : Richard L. Cooley
Publisher : Unknown
Page : 34 pages
File Size : 50,9 Mb
Release : 2004
Category : Geology
ISBN : STANFORD:36105050334411
Author : Jacob Bear,Alexander H.-D. Cheng
Publisher : Springer Science & Business Media
Page : 851 pages
File Size : 47,7 Mb
Release : 2010-01-18
Category : Science
ISBN : 9781402066825
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 : Jacob Bear,Arnold Verruijt
Publisher : Springer Science & Business Media
Page : 426 pages
File Size : 43,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400933798
Groundwater constitutes an important component of many water resource systems, supplying water for domestic use, for industry, and for agriculture. Management of a groundwater system, an aquifer, or a system of aquifers, means making such decisions as to the total quantity of water to be withdrawn annually, the location of wells for pumping and for artificial recharge and their rates, and control conditions at aquifer boundaries. Not less important are decisions related to groundwater qUality. In fact, the quantity and quality problems cannot be separated. In many parts of the world, with the increased withdrawal of ground water, often beyond permissible limits, the quality of groundwater has been continuously deteriorating, causing much concern to both suppliers and users. In recent years, in addition to general groundwater quality aspects, public attention has been focused on groundwater contamination by hazardous industrial wastes, by leachate from landfills, by oil spills, and by agricultural activities such as the use of fertilizers, pesticides, and herbicides, and by radioactive waste in repositories located in deep geological formations, to mention some of the most acute contamination sources. In all these cases, management means making decisions to achieve goals without violating specified constraints. In order to enable the planner, or the decision maker, to compare alternative modes of action and to ensure that the constraints are not violated, a tool is needed that will provide information about the response of the system (the aquifer) to various alternatives.
Author : Anonim
Publisher : Unknown
Page : 592 pages
File Size : 54,6 Mb
Release : 2003
Category : Geology
ISBN : UCSD:31822009727686
Author : S. P. Neuman,Dongxiao Zhang,C. L. Winter
Publisher : Geological Society of America
Page : 260 pages
File Size : 46,6 Mb
Release : 2000-01-01
Category : Science
ISBN : 0813723485
The refereed and edited proceedings of the symposium Schlomo P. Neuman: Recent Advances After 30 Years of Exceptional Contributions to Well Hydraulics, Numerical Modeling, and Field Investigations, which was held in Tucson, Arizona, in October 1998. Among the topics are four decades of inverse problems in hydrogeology, a connected-network paradigm for the alluvial aquifer system, the influence of multi-scale structure in non-ergodic solute transport in heterogeneous porous media, the Gaussian analysis of one-dimensional unsaturated flow in randomly heterogeneous soils, and the type-curve interpretation of transient single-hole pneumatic injection tests in unsaturated fractured tuffs at the Apache Leap Research Site. Annotation copyrighted by Book News Inc., Portland, OR
Author : Neven Kresic
Publisher : CRC Press
Page : 828 pages
File Size : 42,5 Mb
Release : 2006-10-26
Category : Science
ISBN : 9781420004991
Coupling the basics of hygrogeology with analytical and numerical modeling methods, Hydrogeology and Groundwater Modeling, Second Edition provides detailed coverage of both theory and practice. Written by a leading hydrogeologist who has consulted for industry and environmental agencies and taught at major universities around the world, this unique
Author : Jacob Bear
Publisher : Unknown
Page : 12 pages
File Size : 54,6 Mb
Release : 1992
Category : Groundwater
ISBN : MINN:31951D00762214D
Author : Florimond De Smedt,Wouter Zijl
Publisher : CRC Press
Page : 65 pages
File Size : 52,5 Mb
Release : 2017-11-06
Category : Science
ISBN : 9781351262279
This monograph is a practical guide to groundwater flow theory intended to serve students and practitioners by bridging the gap between basic hydrogeology and groundwater modeling. It synthesizes the mathematics of groundwater flow and provides information in an easily-accessible format for practicing groundwater professionals, consultants, and students that intend to become skillful and competent groundwater flow modelers.
Author : Adam Szymkiewicz
Publisher : Springer Science & Business Media
Page : 254 pages
File Size : 41,5 Mb
Release : 2012-10-11
Category : Science
ISBN : 9783642235580
The book focuses on two issues related to mathematical and numerical modelling of flow in unsaturated porous media. In the first part numerical solution of the governing equations is discussed, with particular emphasis on the spatial discretization of highly nonlinear permeability coefficient. The second part deals with large scale flow in heterogeneous porous media of binary structure. Upscaled models are developed and it is shown that the presence of material heterogeneities may give rise to additional non-equilibrium terms in the governing equations or to hysteresis in the averaged constitutive relationships.
Author : Aly I. El-Kadi
Publisher : CRC Press
Page : 384 pages
File Size : 47,7 Mb
Release : 2017-11-22
Category : Technology & Engineering
ISBN : 9781351443890
Written by renowned experts in the field, this book assesses the status of groundwater models and defines models and modeling needs in the 21st century. It reviews the state of the art in model development and application in regional groundwater management, unsaturated flow/multiphase flow and transport, island modeling, biological and virus transport, and fracture flow. Both deterministic and stochastic aspects of unsaturated flow and transport are covered. The book also introduces a unique assessment of models as analysis and management tools for groundwater resources. Topics covered include model vs. data uncertainty, accuracy of the dispersion/convection equation, protocols for model testing and validation, post-audit studies, and applying models to karst aquifers.
Author : Joseph D. Ritchey,James O. Rumbaugh
Publisher : ASTM International
Page : 424 pages
File Size : 52,5 Mb
Release : 1996
Category : Aquifers
ISBN : 9780803120211
Author : Chung-Cheng Yen,Gary L. Guymon
Publisher : Unknown
Page : 50 pages
File Size : 47,5 Mb
Release : 1988
Category : Groundwater
ISBN : UCR:31210025029131
Author : Mary P. Anderson,William W. Woessner,Randall J. Hunt
Publisher : Academic Press
Page : 630 pages
File Size : 46,7 Mb
Release : 2015-08-13
Category : Technology & Engineering
ISBN : 9780080916385
This second edition is extensively revised throughout with expanded discussion of modeling fundamentals and coverage of advances in model calibration and uncertainty analysis that are revolutionizing the science of groundwater modeling. The text is intended for undergraduate and graduate level courses in applied groundwater modeling and as a comprehensive reference for environmental consultants and scientists/engineers in industry and governmental agencies. Explains how to formulate a conceptual model of a groundwater system and translate it into a numerical model Demonstrates how modeling concepts, including boundary conditions, are implemented in two groundwater flow codes-- MODFLOW (for finite differences) and FEFLOW (for finite elements) Discusses particle tracking methods and codes for flowpath analysis and advective transport of contaminants Summarizes parameter estimation and uncertainty analysis approaches using the code PEST to illustrate how concepts are implemented Discusses modeling ethics and preparation of the modeling report Includes Boxes that amplify and supplement topics covered in the text Each chapter presents lists of common modeling errors and problem sets that illustrate concepts
Author : Paul Van der Heijde,Aly I. El-Kadi,Stanley Allen Williams
Publisher : Unknown
Page : 260 pages
File Size : 40,8 Mb
Release : 1989
Category : Groundwater
ISBN : IND:30000090154968
