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  • 1
    UID:
    almahu_9947921322702882
    Format: VIII, 152 p. , online resource.
    ISBN: 9783540383376
    Series Statement: Lecture Notes in Mathematics, 385
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9783540067474
    Language: English
    Subjects: Mathematics
    RVK:
    URL: Volltext  (lizenzpflichtig)
    URL: Volltext  (Deutschlandweit zugänglich)
    URL: Cover
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  • 2
    UID:
    almafu_BV008280652
    Format: 178 S. : graph. Darst.
    ISBN: 3-7643-2949-1 , 0-8176-2949-1
    Series Statement: International series of numerical mathematics 114
    Content: This volume contains fourteen papers on mathematical problems of flow and transport through porous media presented at the conference held at Oberwolfach, June 21-27, 1992. Among the topics covered are miscible and immiscible displacement, groundwater contamination, reaction-diffusion instabilities and moving boundaries, random and fractal media, microstructure models, homogenization, spatial heterogeneities, inverse problems, degenerate equations
    Content: The papers deal with aspects of modeling, mathematical theory, numerical methods and applications in the engineering sciences
    Language: English
    Subjects: Mathematics
    RVK:
    Keywords: Poröser Stoff ; Strömung ; Mathematisches Modell ; Hydraulik ; Konferenzschrift ; Konferenzschrift
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  • 3
    UID:
    b3kat_BV008280652
    Format: 178 S. , graph. Darst.
    ISBN: 3764329491 , 0817629491
    Series Statement: International series of numerical mathematics 114
    Content: This volume contains fourteen papers on mathematical problems of flow and transport through porous media presented at the conference held at Oberwolfach, June 21-27, 1992. Among the topics covered are miscible and immiscible displacement, groundwater contamination, reaction-diffusion instabilities and moving boundaries, random and fractal media, microstructure models, homogenization, spatial heterogeneities, inverse problems, degenerate equations
    Content: The papers deal with aspects of modeling, mathematical theory, numerical methods and applications in the engineering sciences
    Language: English
    Subjects: Mathematics
    RVK:
    Keywords: Poröser Stoff ; Strömung ; Mathematisches Modell ; Hydraulik ; Konferenzschrift
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  • 4
    UID:
    almahu_9947363040602882
    Format: V, 180 p. , online resource.
    ISBN: 9783034885645
    Series Statement: ISNM International Series of Numerical Mathematics ; 114
    Content: Jim Douglas, Jr.' These proceedings reflect some of the thoughts expressed at the Oberwolfach Con­ ference on Porous Media held June 21-27, 1992, organized by Jim Douglas, Jr., Ulrich Hornung, and Cornelius J, van Duijn. Forty-five scientists attended the conference, and about thirty papers were presented. Fourteen manuscripts were submitted for the proceedings and are incorporated in this volume; they cover a number of aspects of flow and transport in porous media. Indeed, there are 223 individual references in the fourteen papers, but fewer than fifteen are cited in more than one paper. The papers appear in alphabetical order (on the basis of the first author). A brief introduction to each paper is given below. Allen and Curran consider a variety of questions related to the simulation of ground­ water contamination. Accurate water velocities are essential for acceptable results, and the authors apply mixed finite elements to the pressure equation to obtain these ve­ locities. Since fine grids are required to resolve heterogenei ties, standard iterative procedures are too slow for practical simulation; the authors introduce a parallelizable, multigrid-based it.erative scheme for the lowest order Raviart-Thomas mixed method. Contaminant transport is approximated through a finite element collocation procedure, and an alternating-direction, modified method of characteristics technique is employed to time-step the simulation. Computational experiments carried out on an nCube 2 computer.
    Note: Parallelizable Methods for Modeling Flow and Transport in Heterogeneous Porous Media -- A Multifractal Analysis of Dispersion During Miscible Flow in Porous Media -- Homogenization in a Perforated Domain Including a Thin Full Interlayer -- Indirect Determination of Hydraulic Properties of Porous Media -- Reactive Flows in Porous Media: The Reaction-Infiltration Instability -- A Study of the Effect of Inhomogeneities on Immiscible Flow in Naturally Fractured Reservoirs -- A Massively Parallel Iterative Numerical Algorithm for Immiscible Flow in Naturally Fractured Reservoirs -- Two-Dimensional Solute Transport -- Multiphase Saturation Equations, Change of Type and Inaccessible Regions -- A Central Limit Theorem for Multiscaled Permeability -- Front Tracking for the Unstable Hele-Shaw and Muskat Problems -- Regularity and Uniqueness Results for Two-Phase Miscible Flows in Porous Media -- Distributed Microstructure Models of Porous Media -- Multidimensional Degenerate Diffusion Problem with Evolutionary Boundary Condition: Existence, Uniqueness, and Approximation.
    In: Springer eBooks
    Additional Edition: Printed edition: ISBN 9783034896825
    Language: English
    Keywords: Konferenzschrift ; Konferenzschrift
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  • 5
    UID:
    almahu_BV003048490
    Format: 147 S.
    ISBN: 3-540-06747-7 , 0-387-06747-7
    Series Statement: Lecture notes in mathematics 385
    Language: English
    Subjects: Mathematics
    RVK:
    Keywords: Parabolische Differentialgleichung ; Kollokationsmethode
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  • 6
    UID:
    almahu_BV008280652
    Format: 178 S. : graph. Darst.
    ISBN: 3-7643-2949-1 , 0-8176-2949-1
    Series Statement: International series of numerical mathematics 114
    Content: This volume contains fourteen papers on mathematical problems of flow and transport through porous media presented at the conference held at Oberwolfach, June 21-27, 1992. Among the topics covered are miscible and immiscible displacement, groundwater contamination, reaction-diffusion instabilities and moving boundaries, random and fractal media, microstructure models, homogenization, spatial heterogeneities, inverse problems, degenerate equations
    Content: The papers deal with aspects of modeling, mathematical theory, numerical methods and applications in the engineering sciences
    Language: English
    Subjects: Mathematics
    RVK:
    Keywords: Poröser Stoff ; Strömung ; Mathematisches Modell ; Hydraulik ; Konferenzschrift
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  • 7
    UID:
    almahu_BV024976672
    Format: 22 S.
    Series Statement: MRC technical summary report 1382
    Language: English
    Subjects: Mathematics
    RVK:
    Author information: Wheeler, Mary F., 1938-
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  • 8
    UID:
    almahu_9949419326702882
    Format: XIV, 214 p. , online resource.
    Edition: 1st ed. 2010.
    ISBN: 9789048195824
    Series Statement: World Forests, 7
    Content: At the landmark 1992 United Nations Conference on Environment and Development (Earth Summit), solemn resolutions were made both to protect the world's biodiversity and to co-operate on managing natural forests in a sustainable and ecologically responsible way. If anything, given recent developments in issues such as climate change and poverty, the problem of protecting and sustaining forests should logically have become more important globally. Yet public interest in, and development support for, forest activities have declined and rates of forest loss remain stubbornly high. Why has this happened? This book seeks answers to this question. It examines the often dysfunctional relationships between various members of the international forest constituency, which have so often prevented the formation of consensus. It also explores the tendency to pursue technical and politically convenient 'fixes' focused on the internal workings of the forest sector, while ignoring the overwhelming influence of external forces on the fate of forests. The result, all too often, has been programs which benefit a few powerful players and fail to provide real solutions. The book provides a new examination of and perspective on the international forest policy debate. It clarifies the reasons for global forest conflicts and provides insight for future policy development. Including examples from both the developed and developing world, it provides an invaluable resource for researchers and graduate students in forest policy and international relations, as well as a useful reference for policymakers and professionals in the forest sector, the development community and conservationists. With significant global attention now focused on reducing carbon emissions from deforestation and forest degradation (REDD), the authors examine the promise and the potential problems that apply to this initiative.
    Note: Issues and Questions -- Disappearing Rainforests: New Solutions -- Global Forests: Debate and Dysfunction -- The State of Global Forest Resources -- The Dynamics of Forest Loss -- Are Trade and Forests Survival Compatible? -- Deforestation: Causes and Symptoms -- Sustainability and Valuation of the Forests -- Sustainability Versus Ideology in the Forests -- Financing Forests Sustainability from Ecosystem Values -- Final Thoughts.
    In: Springer Nature eBook
    Additional Edition: Printed edition: ISBN 9789048195817
    Additional Edition: Printed edition: ISBN 9789400733275
    Additional Edition: Printed edition: ISBN 9789048195831
    Language: English
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  • 9
    Online Resource
    Online Resource
    Dordrecht : Springer Science + Business Media
    UID:
    gbv_635986515
    Format: Online Ressource (2651 KB, 303 S.)
    Edition: Online-Ausg. 2010 Springer eBook Collection. Biomedical and Life Sciences Electronic reproduction; Available via World Wide Web
    ISBN: 9048195829 , 9789048195824
    Series Statement: World forests 7
    Content: At the landmark 1992 United Nations Conference on Environment and Development (Earth Summit), solemn resolutions were made both to protect the world's biodiversity and to co-operate on managing natural forests in a sustainable and ecologically responsible way. If anything, given recent developments in issues such as climate change and poverty, the problem of protecting and sustaining forests should logically have become more important globally. Yet public interest in, and development support for, forest activities have declined and rates of forest loss remain stubbornly high. Why has this happened? This book seeks answers to this question. It examines the often dysfunctional relationships between various members of the international forest constituency, which have so often prevented the formation of consensus. It also explores the tendency to pursue technical and politically convenient 'fixes' focused on the internal workings of the forest sector, while ignoring the overwhelming influence of external forces on the fate of forests. The result, all too often, has been programs which benefit a few powerful players and fail to provide real solutions. The book provides a new examination of and perspective on the international forest policy debate. It clarifies the reasons for global forest conflicts and provides insight for future policy development. Including examples from both the developed and developing world, it provides an invaluable resource for researchers and graduate students in forest policy and international relations, as well as a useful reference for policymakers and professionals in the forest sector, the development community and conservationists. With significant global attention now focused on reducing carbon emissions from deforestation and forest degradation (REDD), the authors examine the promise and the potential problems that apply to this initiative.
    Note: Includes bibliographical references and index , The Future of the World'sForests; Contents; Part IIssues and Questions; Chapter 1: Disappearing Rainforests: New Solutions; Chapter 2: Global Forests: Debate and Dysfunction; Chapter 3: The State of Global Forest Resources*; Part IIThe Dynamics of Forest Loss; Chapter 4: Are Trade and Forests Survival Compatible?; Chapter 5: Deforestation: Causes and Symptoms; Part III:Sustainability and Valuationof the Forests; Chapter 6: Sustainability Versus Ideology in the Forests; Chapter 7: Financing Forests Sustainability from Ecosystem Values; Chapter 8: Final Thoughts; Index , Electronic reproduction; Available via World Wide Web
    Additional Edition: ISBN 9789048195817
    Additional Edition: Erscheint auch als Druck-Ausgabe The Future of the World's Forests Ideas Vs Ideologies
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science
    RVK:
    Keywords: Forstpolitik ; Forstwirtschaft
    URL: Volltext  (lizenzpflichtig)
    URL: Cover
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  • 10
    UID:
    b3kat_BV003048490
    Format: 147 S.
    ISBN: 3540067477 , 0387067477
    Series Statement: Lecture notes in mathematics 385
    Language: English
    Subjects: Mathematics
    RVK:
    Keywords: Parabolische Differentialgleichung ; Kollokationsmethode
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