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  • 1
    Online Resource
    Online Resource
    OpenGeoSys Tutorial : Computational Hydrology II: Groundwater Quality Modeling. (2017)
    Cham :Springer International Publishing AG,
    Details
    Keywords: Chemistry. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (82 pages)
    Edition: 1st ed.
    ISBN: 9783319528090
    Series Statement: SpringerBriefs in Earth System Sciences Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=4819659
    DDC: 628.1140113
    Language: English
    Note: Intro -- Foreword -- Acknowledgements -- Contents -- 1 Introduction -- 1.1 Catchment Description -- 1.1.1 Topography and Climate -- 1.1.2 Socio-Economy and Land Cover -- 1.1.3 Hydrology -- 1.1.4 Hydrogeology -- 1.1.5 Water Quality -- 1.2 Potential Pressures and Impacts on Acheng Water Supply -- 1.2.1 Chemical Pollutions by Industrial Point Sources -- 1.2.2 Nitrate Pollution from Diffusive Sources -- 1.2.3 Future Water Demand -- 2 Modelling Strategy -- 2.1 Work Flow -- 2.2 Overview of Available Data-Sets -- 2.3 Software Requirements -- 3 Stationary Groundwater Model -- 3.1 Meshing -- 3.1.1 2D Meshing -- 3.1.2 Volume Meshing -- 3.1.3 Adding Soil Layer -- 3.1.4 Mesh Quality -- 3.2 File Transformation into OGS Input Files -- 3.3 Boundary Conditions -- 3.3.1 Source Terms -- 3.3.2 Boundary Conditions -- 3.3.3 Initial Conditions -- 3.4 Material Properties -- 3.5 Additional OGS Input Files -- 3.5.1 Process Specification -- 3.5.2 Numerics -- 3.5.3 Time Stepping -- 3.5.4 Output -- 3.6 Model Execution -- 3.7 Results -- 4 Reactive Nitrate Transport Model -- 4.1 Nitrate Allocation and Degradation in the Subsurface -- 4.2 Media Characterization -- 4.2.1 Material Component Parameters -- 4.2.2 Material Properties -- 4.2.3 Material Solid Properties -- 4.2.4 Material Fluid Properties -- 4.3 Kinetic Reaction Definition -- 4.4 Boundary Conditions -- 4.4.1 Initial Conditions -- 4.4.2 Source Terms -- 4.4.3 Boundary Conditions -- 4.5 Adaptation of Additional Input Files -- 4.5.1 Process Specification -- 4.5.2 Time Stepping -- 4.5.3 Numerics -- 4.5.4 Output -- 4.6 Model Execution -- 4.7 Model Results -- 5 Reactive Point Pollutants Model Within a Transient Flow Field -- 5.1 Process Definition -- 5.2 Material Component Properties -- 5.3 Initial and Boundary Conditions -- 5.3.1 Initial Conditions -- 5.3.2 Source Terms -- 5.3.3 Boundary Conditions -- 5.4 Model Execution. , 5.5 Model Results -- Appendix A Symbols -- Appendix B Keywords -- References.
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    GEOMAR EBL
  • 2
    Online Resource
    Online Resource
    OpenGeoSys-Tutorial : Computational Hydrology I: Groundwater Flow Modeling. (2015)
    Cham :Springer International Publishing AG,
    Details
    Keywords: Groundwater flow -- Mathematical models. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (117 pages)
    Edition: 1st ed.
    ISBN: 9783319133355
    Series Statement: SpringerBriefs in Earth System Sciences Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1998206
    DDC: 551.490113
    Language: English
    Note: Intro -- Foreword -- Acknowledgments -- Contents -- Contributors -- 1 Hydrology -- 1.1 Water Resources Situation -- 1.2 Water Cycle and Water Balance -- 1.3 Catchment Characteristics -- 1.4 Hydrological Parameters -- 1.5 Hydrological Processes -- 1.5.1 Runoff -- 1.5.2 Infiltration -- 1.5.3 Soil Water Flow -- 1.5.4 Evaporation and Transpiration -- 2 Hydrogeology -- 2.1 Aquifer Types -- 2.2 Aquifer Characteristics -- 2.3 Groundwater Flow Equation -- 3 Modelling with OpenGeoSys -- 3.1 Hydrologic Modelling and Simulation -- 3.2 OpenGeoSys Process Simulation -- 3.3 Modelling Workflow -- 3.4 OpenGeoSys Data Explorer -- 4 Benchmark: Theis Problem -- 4.1 Benchmark Definition -- 4.2 OGS Input Files -- 4.3 Theis Method in 1.5D: Radial Symmetry -- 4.4 Theis Problem in 2D -- 4.5 Theis Problem in 2.5D: Axial Symmetry -- 4.6 Theis Problem in 3D -- 4.7 Results -- 4.8 Groundwater Flow and Liquid Flow -- 5 Case Study: Ammer Catchment -- 5.1 Introduction -- 5.2 Catchment Description -- 5.3 Model Set-up -- 5.4 Available Data Sets -- 5.5 Data Integration -- 5.6 Finite Element Meshing -- 5.6.1 Surface Meshing -- 5.6.2 Volume Meshing -- 5.7 Assigning Boundary Conditions -- 5.7.1 Initial Conditions -- 5.7.2 Source Terms -- 5.7.3 Boundary Conditions -- 5.8 Preparations for the Groundwater Flow Simulation -- 5.8.1 Merging Geometries -- 5.8.2 File Converter -- 5.8.3 File Editing -- 5.9 Groundwater Flow Simulation -- 5.10 OGS Simulation Results -- 5.11 Visual Analysis -- Appendix A Geographical Information Systems -- Appendix B Coupled Hydrosystems -- Appendix C OpenGeoSys Installation Guide -- Curriculum Vitae -- References.
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    GEOMAR EBL
  • 3
    Online Resource
    Online Resource
    OpenGeoSys Tutorial : Computational Hydrology II: Groundwater Quality Modeling (2017)
    Cham : Springer
    Details Availability
    Keywords: Earth sciences ; Chemoinformatics ; Geology Statistical methods ; Hydrogeology ; Computer simulation ; Environmental chemistry ; Earth Sciences
    Description / Table of Contents: This book explores the application of the open-source software OpenGeoSys (OGS) for hydrological numerical simulations concerning conservative and reactive transport modeling. It provides general information on the hydrological and groundwater flow modeling of a real case study and step-by-step model set-up with OGS, while also highlighting related components such as the OGS Data Explorer. The material is based on unpublished manuals and the results of a collaborative project between China and Germany (SUSTAIN H2O). Though the book is primarily intended for graduate students and applied scientists who deal with hydrological modeling, it also offers a valuable source of information for professional geoscientists wishing to expand their knowledge of the numerical modeling of hydrological processes including nitrate reactive transport modeling. This book is the second in a series that showcases further applications of computational modeling in hydrological science
    Type of Medium: Online Resource
    Pages: Online-Ressource (X, 75 p. 26 illus. in color, online resource)
    ISBN: 9783319528090
    Series Statement: SpringerBriefs in Earth System Sciences
    URL: https://doi.org/10.1007/978-3-319-52809-0
    DOI: 10.1007/978-3-319-52809-0
    Language: English
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    GEOMAR CATALOGUE
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  • 4
    Online Resource
    Online Resource
    OpenGeoSys-Tutorial : Computational Hydrology I: Groundwater Flow Modeling (2015)
    [s.l.] : Springer-Verlag
    Details Availability
    Keywords: Geography ; GeologyxMathematics ; Hydraulic engineering ; Earth Sciences ; Computer simulation ; Geology—Statistical methods. ; Hydrogeology. ; Geography ; GeologyxMathematics ; Hydraulic engineering ; Einführung ; Hydrogeologie ; Finite-Elemente-Methode ; Software ; Grundwasserstrom ; Numerisches Modell ; Grundwasserspiegel ; Grundwasser ; Hydraulik
    Description / Table of Contents: 1 Hydrology -- 2 Hydrogeology -- 3 Modelling with OpenGeoSys -- 4 Benchmark: Theis problem -- 5 Case Study: Ammer Catchment.
    Type of Medium: Online Resource
    Pages: Online-Ressource (XIII, 113 p. 66 illus., 61 illus. in color, online resource)
    ISBN: 9783319133355
    Series Statement: SpringerBriefs in Earth System Sciences
    URL: https://doi.org/10.1007/978-3-319-13335-5
    URL: http://dx.doi.org/10.1007/978-3-319-13335-5
    URL: https://swbplus.bsz-bw.de/bsz429158416cov.jpg
    DOI: 10.1007/978-3-319-13335-5
    RVK:
    AR 22600
    Language: English
    Note: Description based upon print version of record , 1 Hydrology2 Hydrogeology -- 3 Modelling with OpenGeoSys -- 4 Benchmark: Theis problem -- 5 Case Study: Ammer Catchment.
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  • 5
    Online Resource
    Online Resource
    EASyQuart - Energieeffiziente Auslegung und Planung Dezentraler Versorgungsnetze Von Stadtquartieren : Heizen und Kühlen Unter Nutzung Oberflächennaher Geologischer Ressourcen (2024)
    Berlin, Heidelberg : Springer Berlin / Heidelberg
    Details Availability
    Type of Medium: Online Resource
    Pages: 1 online resource (309 pages)
    Edition: 1st ed.
    ISBN: 9783662671405
    URL: https://ebookcentral.proquest.com/lib/kxp/detail.action?docID=31016787
    Language: German
    Note: Description based on publisher supplied metadata and other sources
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  • 6
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    GeomInt: geomechanical integrity of host and barrier rocks–experiments, models and analysis of discontinuities (2021)
    Springer Berlin Heidelberg
    Details
    Publication Date: 2023-09-14
    Description: The present paper gives an overview of the GeomInt project “Geomechanical integrity of host and barrier rocks—experiment, modelling and analysis of discontinuities” which has been conducted from 2017–2020 within the framework of the “Geo:N Geosciences for Sustainability” program. The research concept of the collaborative project is briefly introduced followed by a summary of the most important outcomes. The research concept puts geological discontinuities into the centre of investigations—as these belong to the most interesting and critical elements for any subsurface utilisation. Thus, while research questions are specific, they bear relevance to a wide range of applications. The specific research is thus integrated into a generic concept in order to make the results more generally applicable and transferable. The generic part includes a variety of conceptual approaches and their numerical realisations for describing the evolution of discontinuities in the most important types of barrier rocks. An explicit validation concept for the generic framework was developed and realised by specific “model-experiment-exercises” (MEX) which combined experiments and models in a systematic way from the very beginning. 16 MEX have been developed which cover a wide range of fundamental fracturing mechanisms, i.e. swelling/shrinkage, fluid percolation, and stress redistribution processes. The progress in model development is also demonstrated by field-scale applications, e.g. in the analysis and design of experiments in underground research laboratories in Opalinus Clay (URL Mont Terri, Switzerland) and salt rock (research mine Springen, Germany).
    Description: BMBF
    Description: Helmholtz-Zentrum für Umweltforschung GmbH - UFZ (4215)
    Keywords: ddc:550.724 ; GeomInt ; Fracture flow ; Fracture mechanics ; Barrier integrity ; Discontinuities ; Open source ; OpenGeoSys
    Language: English
    Type: doc-type:article
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    CITATION GEO-LEO
  • 7
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    Challenges and strategies for the visual exploration of complex environmental data (2017)
    Taylor & Francis
    In:  International Journal of Digital Earth, 10 (10). pp. 1070-1076.
    Details
    Publication Date: 2020-02-06
    Description: In this opinion paper, we, a group of scientists from environmental-, geo-, ocean- and information science, argue visual data exploration should become a common analytics approach in Earth system science due to its potential for analysis and interpretation of large and complex spatio-temporal data. We discuss the challenges that appear such as synthesis of heterogeneous data from various sources, reducing the amount of information and facilitating multidisciplinary, collaborative research. We argue that to fully exploit the potential of visual data exploration, several bottlenecks and challenges have to be addressed: providing an efficient data management and an integrated modular workflow, developing and applying suitable visual exploration concepts and methods with the help of effective and tailored tools as well as generating and raising the awareness of visual data exploration and education. We are convinced visual data exploration is worth the effort since it significantly facilitates insight into environmental data and derivation of knowledge from it.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1080/17538947.2017.1327618
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 8
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    Challenges and strategies for the visual exploration of complex environmental data (2017)
    TAYLOR & FRANCIS LTD
    In:  EPIC3International Journal of Digital Earth, TAYLOR & FRANCIS LTD, 10, pp. 1070-1076, ISSN: 1753-8947
    Details
    Publication Date: 2019-12-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
    Format: application/pdf
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    PAPER (OA)
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