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Numerical Model For Transient Water Flow In Non Homogeneous Soil Root Systems With Groundwater Influence
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Book Synopsis Numerical Model for Transient Water Flow in Non-homogeneous Soil-root Systems with Groundwater Influence by : Instituut voor Cultuurtechniek en Waterhuishouding
Download or read book Numerical Model for Transient Water Flow in Non-homogeneous Soil-root Systems with Groundwater Influence written by Instituut voor Cultuurtechniek en Waterhuishouding and published by . This book was released on 1977 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Model for Transient Water Flow in Non-homogeneous Soil-root Systems with Groundwater Influence by : Instituut voor Cultuurtechniek en Waterhuishouding
Download or read book Numerical Model for Transient Water Flow in Non-homogeneous Soil-root Systems with Groundwater Influence written by Instituut voor Cultuurtechniek en Waterhuishouding and published by . This book was released on 1977 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific Investigations Report by : Sharon E. Kroening
Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Revisiting Integrated Water Resources Management by : Cecilia Tortajada
Download or read book Revisiting Integrated Water Resources Management written by Cecilia Tortajada and published by Routledge. This book was released on 2017-10-02 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book includes seventeen excellent researched and documented papers that reflect the diversity of thought, ideas and experiences related to IWRM. They draw from an extensive, inclusive and geographically representative range of theoretical propositions and practical examples. These include the implementation status of the IWRM concept at local, basin, regional and national levels; its appropriateness for the twenty-first century; main implementation gaps from the institutional, legal, policy, governance, management and technical viewpoints; the likelihood that IWRM’s entrenchment in laws, regulations and policies has led to smoother implementation and the reasons why that has been the case; reflexions on whether the attention given to IWRM is pushing other alternatives to the policy periphery; and the new conceptual constructions that can be put forward for discussion in the international arena. For the development and water communities it is imperative to debate and reach towards more illustrative conclusions regarding whether the promotion of the IWRM concept and its actual implementation status have been beneficial for development and how the notion could evolve to achieve this end. In-depth objective and constructive discussions, arguments, proposals and ideas are put forward for analysis by all interested parties. The book has the objective of fostering scholarly exchange, encouraging intellectual debate and promoting the advancement of knowledge and understanding of IWRM as a concept, as a goal per se and as a strategy towards development goals. This book was published as a special issue of the International Journal of Water Resources Development.
Book Synopsis Transferable Simulation Model for Crop Soil Water Depletion by : Richard H. Cuenca
Download or read book Transferable Simulation Model for Crop Soil Water Depletion written by Richard H. Cuenca and published by . This book was released on 1978 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Bulletin by : Oregon. Agricultural Experiment Station, Corvallis
Download or read book Technical Bulletin written by Oregon. Agricultural Experiment Station, Corvallis and published by . This book was released on 1977 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Station Technical Bulletin by : Oregon State University. Agricultural Experiment Station
Download or read book Station Technical Bulletin written by Oregon State University. Agricultural Experiment Station and published by . This book was released on 1982 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Soil Science by :
Download or read book Canadian Journal of Soil Science written by and published by . This book was released on 1981 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Bulletin - Agricultural Experiment Station, Oregon State University by :
Download or read book Technical Bulletin - Agricultural Experiment Station, Oregon State University written by and published by . This book was released on 1961 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Composite Element Method for Modelling Transient Groundwater Flow in Fractured Media and Its Application to Slope Stability Problem by : Xiaoping Hou
Download or read book Composite Element Method for Modelling Transient Groundwater Flow in Fractured Media and Its Application to Slope Stability Problem written by Xiaoping Hou and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a comprehensive numerical method for analyzing transient groundwater flow in porous and fractured media and its application to the analysis of the stability of soil and rock slopes subjected to transient groundwater flow induced by reservoir drawdown conditions. Compared to that of porous media, the analysis of flow in fractured media is relatively complex, due to the presence of a large number of fractures and strong variations in geometric and hydraulic properties.The thesis is organized in six chapters. Chapter 1 presents the issues to be addressed and the thesis objectives. Chapter 2 discusses basic theories related to the numerical analysis of groundwater flow in fractured media and its effects on slope stability.Chapter 3 develops the numerical model of transient, saturated flow in fractured media with a free surface using the composite element method (CEM). Chapter 4 presents the numerical model of transient, variably-saturated flow in fractured media using the CEM.Chapter 5 includes an investigation of the stability of homogeneous soil slopes under drawdown conditions, depending on the drawdown rate, hydraulic and strength parameters of soils, and slope geometry.The last chapter presents a parametric study on the influence of fracture characteristics on transient flow and stability of layered rock slope subjected to drawdown conditions.
Book Synopsis IFIP Bibliography, 1960-1985 by : International Federation for Information Processing
Download or read book IFIP Bibliography, 1960-1985 written by International Federation for Information Processing and published by North Holland. This book was released on 1987 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1985 IFIP celebrated its silver jubilee and a quarter century of IFIP publications. This IFIP Bibliography lists and categorizes all of the published papers presented at IFIP conferences and congresses as well as further papers published in the name of IFIP in the first 25 years of existence. The Bibliography describes a comprehensive family of papers in the field of computer sciences, or informatics; it can be seen as an abstract monument for the volunteers who organized the events, composed the programmes, gave the papers and discussed and finally submitted the manuscripts; and it provides an overview of a quarter century of development, not only of a science and a profession, but also of a vocabulary and a language. The indexes list papers according to several different categories, enabling the reader to readily locate his source of interest. These indexes include listing by subject, by editor, according to the date of the event at which they were presented, under the name of the city in which the event was held and according to their TC/WG categorisation. Informatics is still a science of the future: much has been achieved, much more remains to be done, not only for the purely technical advance, but also for its humanistic and societal dimensions. This bibliography, therefore, does not close the subject - it is merely a milestone on a long way to go.
Book Synopsis Numerical Studies of Linked Soil-moisture and Groundwater Systems by : Mary Frances Pikul
Download or read book Numerical Studies of Linked Soil-moisture and Groundwater Systems written by Mary Frances Pikul and published by . This book was released on 1973 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1990 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sediment Dynamics for a Changing Future by : Kazimierz Banasik
Download or read book Sediment Dynamics for a Changing Future written by Kazimierz Banasik and published by . This book was released on 2010 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Archiwum hydrotechniki written by and published by . This book was released on 1990 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Issues Arising in the Simulations of Transient Water Flow in Layered Unsaturated Soils by : Ruowen Liu
Download or read book Numerical Issues Arising in the Simulations of Transient Water Flow in Layered Unsaturated Soils written by Ruowen Liu and published by . This book was released on 2017 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: The geotechnical community typically relies on recommendations made from numerical simulations. Commercial software exhibits (local) numerical instabilities in layered soils across soil interfaces. This research work investigates unsaturated moisture flow in layered soils and identifies a possible source of numerical instabilities across soil interfaces and potential improvement in numerical schemes for solving the Richards' equation. The numerical issue at soil interfaces is addressed by a (nonlinear) interface problem. A full analysis of the simplest soil hydraulic model, the Gardner model, identifies the conditions of ill-posedness of the interface problem. Numerical experiments on various (more advanced and practical) soil hydraulic models show that the interface problem can also be ill-posed under certain circumstances. Spurious numerical ponding and/or oscillations around soil interfaces are observed consequently. This work also investigates the impact of different averaging schemes for cell-centered conductivities on the propensity of ill-posedness of the interface problem and concludes that smaller averaging conductivities are more likely to trigger numerical instabilities. In addition, an agent-based stochastic soil model, with hydraulic properties defined at the finite difference cell level, results in a large number of interface problems. This research compares sequences of stochastic realizations in heterogeneous unsaturated soils with the numerical solution using homogenized soil parameters. The mean of stochastic realizations is not identical to the solution obtained from homogenized soil parameters.
Book Synopsis Partially-saturated Transient Groundwater Flow Model Theory and Numerical Implementation by :
Download or read book Partially-saturated Transient Groundwater Flow Model Theory and Numerical Implementation written by and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A description is presented of the mathematical development of a computer model, the Partially-Saturated Transient Flow Model (PST), used to test the formulation for simulating isothermal, unsaturated, liquid flow in heterogeneous porous media. The fundamental equations and assumptions applying to the model are discussed. Problems encountered in modeling the flow in soils with water contents less than saturation are also delineated. Because of the nonlinearities of the descriptive equations, finite difference approximation and an iterative technique were used to obtain solutions. The model, when tested, was computationally slow and impractical as a management tool but did demonstrate that the equation could be solved for flow entering relatively dry soils. Several methods of dealing with the sediment hydraulic characteristics were tested.
