Unsaturated Zone Modeling
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Unsaturated Zone Modeling
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Author : R.A. Feddes
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-10-11
Unsaturated Zone Modeling written by R.A. Feddes and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-10-11 with Science categories.
Mankind has manipulated the quantity and quality of soil water for millennia. Food production was massively increased through fertilization, irrigation and drainage. But malpractice also caused degradation of immense areas of once fertile land, rendering it totally unproductive for many generations. In populated areas, the pollutant load ever more often exceeds the soil’s capacity for buffering and retention, and large volumes of potable groundwater have been polluted or are threatened to be polluted in the foreseeable future. In the past decades, the role of soil water in climate patterns has been recognized but not yet fully understood. The soil-science community responded to this diversity of issues by developing numerical models to simulate the behavior of water and solutes in soils. These models helped improve our understanding of unsaturated-zone processes and develop sustainable land-management practices. Aimed at professional soil scientists, soil-water modelers, irrigation engineers etc., this book discusses our progress in soil-water modeling. Top scientists present case studies, overviews and analyses of strengths, weaknesses, opportunities and threats related to soil-water modeling. The contributions cover a wide range of spatial scales, and discuss fundamental aspects of unsaturated-zone modeling as well as issues related to the application of models to real-world problems.
Conceptual Models Of Flow And Transport In The Fractured Vadose Zone
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2001-05-21
Conceptual Models Of Flow And Transport In The Fractured Vadose Zone written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-05-21 with Science categories.
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.
Identification And Compilation Of Unsaturated Vadose Zone Models
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Author : Paul Van der Heijde
language : en
Publisher:
Release Date : 1994
Identification And Compilation Of Unsaturated Vadose Zone Models written by Paul Van der Heijde and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Groundwater flow categories.
Evaluation Of Unsaturated Vadose Zone Models For Superfund Sites
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Author : D. L. Nofziger
language : en
Publisher:
Release Date : 1994
Evaluation Of Unsaturated Vadose Zone Models For Superfund Sites written by D. L. Nofziger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Government publications categories.
Vadose Zone Modeling Of Organic Pollutants
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Author : S. C. Hern
language : en
Publisher: Springer
Release Date : 1986-10
Vadose Zone Modeling Of Organic Pollutants written by S. C. Hern and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-10 with Science categories.
An overview of chemical fate and transport modeling in the vadose zone. Chemical processes, parameter estimation, and variability in the vadose zone. Mathematical derivation of chemical transport equations.
Simulating Radionuclide Fate And Transport In The Unsaturated Zone Evaluation And Sensitivity Analyses Of Select Computer Models
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Author : Jin-Song Chen
language : en
Publisher: DIANE Publishing
Release Date : 2002
Simulating Radionuclide Fate And Transport In The Unsaturated Zone Evaluation And Sensitivity Analyses Of Select Computer Models written by Jin-Song Chen and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Radioisotopes categories.
Three Dimensional Grid Generation For Geological Systems Application To Unsaturated Zone Modeling
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Author : Charles Bubolu Haukwa
language : en
Publisher:
Release Date : 1998
Three Dimensional Grid Generation For Geological Systems Application To Unsaturated Zone Modeling written by Charles Bubolu Haukwa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Applied Groundwater Modeling
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Author : Mary P. Anderson
language : en
Publisher: Gulf Professional Publishing
Release Date : 1992
Applied Groundwater Modeling written by Mary P. Anderson and has been published by Gulf Professional Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Computers categories.
Creating numerical groundwater models of field problems requires careful attention to describing the problem domain, selecting boundary conditions, assigning model parameters, and calibrating the model. This unique text describes the science and art of applying numerical models of groundwater flow and advective transport of solutes. Explains how to formulate a conceptual model of a system and how to translate it into a numerical model Includes the application of modeling principles with special attention to the finite difference flow codes PLASM and MODFLOW, and the finite-element code AQUIFEM-1 Covers model calibration, verification, and validation Discusses pathline analysis for tracking contaminants with reference to newly developed particle tracking codes Makes extensive use of case studies and problems
Groundwater Modeling
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Author : Paul Van der Heijde
language : en
Publisher:
Release Date : 1988
Groundwater Modeling written by Paul Van der Heijde and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Groundwater categories.
Subsurface Fluid Flow Ground Water And Vadose Zone Modeling
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Author : Joseph D. Ritchey
language : en
Publisher: ASTM International
Release Date : 1996
Subsurface Fluid Flow Ground Water And Vadose Zone Modeling written by Joseph D. Ritchey and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Science categories.