Unsaturated Flow In Hydrologic Modeling
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Unsaturated Flow In Hydrologic Modeling
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Author : H.J. Morel-Seytoux
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Unsaturated Flow In Hydrologic Modeling written by H.J. Morel-Seytoux 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 2012-12-06 with Science categories.
This volume certainly is a Conference Proceedings, the Proceedings of the NATO Advanced Research Workshop (ARW) on "Unsaturated Flow in Hydrologic Modeling" held at "Les Villages du Soleil" near ArIes, France from June 13 to 17, 1988. Let me therefore acknowledge properly, at the very beginning, the gratitude of all the participants to the NATO Science Committee for its generous support and worthwhile goal of bringing together scientists of many countries to communicate and share their experiences. Particular thanks are extended to the director of the program, Dr. Luis Vega da Cunha for his interest and understanding. On the other hand this volume is also, and probably more so, a Textbook that fills a gap in the field of unsaturated flow. Many treatises on the subject present the theory in its different aspects. Hardly any explain in details how the different pieces can be put together to address realistic problems at the basin scale. The various invited contributions to the ARW were structured in a subject progression much as chapters are organized in a book. The intent of the ARW was to assess the current state of knowledge in "Unsaturated Flow" and its use in "Hydrologic Modeling Practice". In a sense the interest in fundamentals of unsaturated flow in this ARW was not just for the sake of knowledge but also and primarily for the sake of action. Can such fundamental knowledge be utilized for better management of the water resource? was the basic question.
Unsaturated Flow In Hydrologic Modeling
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Author : H.J. Morel-Seytoux
language : en
Publisher:
Release Date : 1989-06-30
Unsaturated Flow In Hydrologic Modeling written by H.J. Morel-Seytoux and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-06-30 with categories.
Modelling Water Flow In Unsaturated Porous Media
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Author : Adam Szymkiewicz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-10-11
Modelling Water Flow In Unsaturated Porous Media written by Adam Szymkiewicz 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 2012-10-11 with Science categories.
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.
Unsaturated Zone Hydrology
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Author : Gary L. Guymon
language : en
Publisher: Pearson Education
Release Date : 1994-03-23
Unsaturated Zone Hydrology written by Gary L. Guymon and has been published by Pearson Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-03-23 with Science categories.
Using a quantitative modeling approach, this volume offers a comprehensive exploration of the movement of water in the unsaturated zone (and associated transport phenomena) – the pathway of many contaminants to the saturated zone where much of the world's potable water is stored. It is the first book to combine research and knowledge on this subject from a wide variety of disciplines into a single source directed toward engineering and environmental training and applications. Deals with contaminant and heat transport in the unsaturated zone; includes a description of soils and their properties and unsaturated soil hydraulic properties; describes unsaturated zone processes; and thoroughly explores numerical modeling and uncertainty in modeling. A text for students in engineering and environmental science, and a reference for practicing engineers and scientists involved in the analysis of unsaturated zone contaminant problems.
Conceptual Hydrologic Model Of Flow In The Unsaturated Zone Yucca Mountain Nevada
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Author : Parviz Montazer
language : en
Publisher:
Release Date : 1984
Conceptual Hydrologic Model Of Flow In The Unsaturated Zone Yucca Mountain Nevada written by Parviz Montazer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Groundwater flow categories.
Conceptual Hydrologic Model Of Flow In The Unsaturated Zone Yucca Mountain Nevada
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Author : parviz montazer and william e. wilson
language : en
Publisher:
Release Date : 1984
Conceptual Hydrologic Model Of Flow In The Unsaturated Zone Yucca Mountain Nevada written by parviz montazer and william e. wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Unsaturated Zone Hydrology For Scientists And Engineers
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Author : James A. Tindall
language : en
Publisher:
Release Date : 1999
Unsaturated Zone Hydrology For Scientists And Engineers written by James A. Tindall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Science categories.
Introduction and bief history; Physical properties and characteristics of soils; Behavior of clay-water systems; Potential and thermodynamics of soil water; Chemical properties and principles of soil water; Principles of water flow in soil; Saturated water flow in soil; Unsaturated water flow in soil; Transport of heat and gas in osil and at the surface; Contaminant transport; Effects of infiltration and drainage on soil-water redistribution; Applied soil physics: modeling water, solute, and vapor movement. Drainage in soil water and ground water; Soil remediation techniques; Saptial variability, scaling, and fractals; Appendix 1: Site characterizaton and monitoring devices; Appendix 2: Mathematics review; Appendix 3: tables; References; Index.
Modeling Groundwater Flow And Pollution
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Author : Jacob Bear
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Modeling Groundwater Flow And Pollution written by Jacob Bear 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 2012-12-06 with Science categories.
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.
Sensitivity Analysis Of Hydrological Parameters In Modeling Flow And Transport In The Unsaturated Zone Of Yucca Mountain
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Author : Y. S. Wu
language : en
Publisher:
Release Date : 2006
Sensitivity Analysis Of Hydrological Parameters In Modeling Flow And Transport In The Unsaturated Zone Of Yucca Mountain written by Y. S. Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
The unsaturated fractured volcanic deposits at Yucca Mountain have been intensively investigated as a possible repository site for storing high-level radioactive waste. Field studies at the site have revealed that there exist large variabilities in hydrological parameters over the spatial domain of the mountain. This paper reports on a systematic analysis of hydrological parameters using the site-scale 3-D unsaturated zone (UZ) flow model. The objectives of the sensitivity analyses are to evaluate the effects of uncertainties in hydrologic parameters on modeled UZ flow and contaminant transport results. Sensitivity analyses are carried out relative to fracture and matrix permeability and capillary strength (van Genuchten a), through variation of these parameter values by one standard deviation from the base-case values. The parameter variation results in eight parameter sets. Modeling results for the eight UZ flow sensitivity cases have been compared with field observed data and simulation results from the base-case model. The effects of parameter uncertainties on the flow fields are discussed and evaluated through comparison of results for flow and transport. In general, this study shows that uncertainties in matrix parameters cause larger uncertainty in simulated moisture flux than corresponding uncertainties in fracture properties for unsaturated flow through heterogeneous fractured rock.
An Investigation Of Field Application Of A Hydrologic Unsaturated Saturated Flow Model
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Author : Blaine Pierre Sargent
language : en
Publisher:
Release Date : 1983
An Investigation Of Field Application Of A Hydrologic Unsaturated Saturated Flow Model written by Blaine Pierre Sargent and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Soil moisture categories.