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  • Hydrology/Water Resources
  • 1
    Language: English
    In: Environmental Earth Sciences, 2014, Vol.72(10), pp.3749-3751
    Description: In recent years, the amount of environmental data that is measured, collected and analysed has risen in staggering amounts. Developing effective visualisation techniques is the key to improving the understanding of complex data sets and communicate findings to the public in general and stakeholders in particular.
    Keywords: Visualization ; Information Management ; Environmental Protection;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 2
    Language: English
    In: Environmental Earth Sciences, 2014, Vol.72(10), pp.3857-3868
    Description: We present a framework that allows users to apply a number of strategies to view and modify a wide range of environmental data sets for the modelling of natural phenomena. These data sets can be concurrently visualised to find inconsistencies or artefacts. This ensures at an early stage that models set up for the simulation of hydrological or thermal processes will not give implausible results due to complications based on input data. A number of generally applicable visualisation techniques are provided by our framework to help researchers detect potential problems. We also propose a number of mapping algorithms for the integration of multiple data sets to resolve some of the most common issues. Techniques for the presentation of input- and modelling data in combination with simulation results are proposed with respect to the benefits of visualisation of environmental data within specialised environments. The complete workflow from input data to presentation is demonstrated based on a case study in Central Germany. We identify typical problems, propose approaches for a suitable data integration for this case study and compare results of the original and modified data sets.
    Keywords: Computer graphics ; Visualisation ; Virtual reality ; Hydrology ; OpenGeoSys Data Explorer
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 3
    Language: English
    In: Environmental Earth Sciences, 2014, Vol.72(10), pp.3795-3802
    Description: Current visualization techniques for computational fluid dynamics applications are sophisticated and work well in simple geometries. For complex geometries such as pore spaces, multiple domain boundaries obstruct the view and make the studying of fluid flow fields difficult. To overcome these deficiencies, we use two-sided materials to render the domain boundaries. Using this technique, it is possible to place the camera inside the domain and have a non-obstructed view of the surrounding flow field without losing spatial reference to the domain boundaries. As a result, a larger part of fluid flow visualization is visible. Two-sided material rendering was successfully applied to display still images with Blender Cycles renderer, in a virtual reality environment, and several implementation techniques were explored for using the Visualization Toolkit.
    Keywords: 3D Graphics ; Virtual reality ; Image generation ; VTK ; OpenGL ; VISLab TESSIN
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 4
    Language: English
    In: Environmental Earth Sciences, 2013, Vol.70(8), p.3927(7)
    Description: This article is focused on research demand for the environmental and economic sustainable utilization of geothermal reservoirs for base load supply of heat and electricity by Enhanced Geothermal Systems; additional emphasis is placed on the promotion of the underground storage of thermal energy. Solutions for minimizing the mining risk and for addressing challenges related to the successful development and to the safe operation of geothermal systems are proposed. This includes the development of new technology approaches and concepts for scientific monitoring of operational and environmental processes related to geothermal systems. These research and development efforts require large research facilities and infrastructures. In addition to thermal energy extraction from the subsurface, shallow and deep geothermal reservoirs can also serve as underground thermal energy storage systems. The large potential for medium and high temperature underground thermal energy storage systems remains to be further investigated and developed. [PUBLICATION ]
    Keywords: Geothermal Energy ; Geothermal Energy Research ; Resveratrol
    ISSN: 1866-6280
    E-ISSN: 18666299
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  • 5
    Language: English
    In: Environmental Earth Sciences, 2018, Vol.77(8), pp.1-6
    Description: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s12665-018-7480-9 Byline: Barbara Kolditz (1), Gunter Dorhofer (2), Jim LaMoreaux (3), Olaf Kolditz (1) Keywords: Environmental earth sciences; Best papers; Progress report; "Filters of hope" Author Affiliation: (1) 0000 0004 0492 3830, grid.7492.8, Helmholtz-Center of Environmental Research UFZ, Leipzig, Germany (2) Genthiner Str. 76, 14774, Brandenburg, a.d. Havel, Germany (3) grid.459848.c, P.E. LaMoreaux and Associates, Inc., Tuscaloosa, AL, USA Article History: Registration Date: 31/03/2018 Received Date: 21/03/2018 Accepted Date: 31/03/2018 Online Date: 12/04/2018
    Keywords: Environmental earth sciences ; Best papers ; Progress report ; “Filters of hope”
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 6
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.73(9), pp.5211-5212
    Description: Byline: James W. LaMoreaux (1), Gunter Dorhofer (2), Olaf Kolditz (3) Author Affiliation: (1) P.E. LaMoreaux and Associates, Inc., Tuscaloosa, AL, USA (2) Genthiner Str. 76, 14774, Brandenburg, a.d. Havel, Germany (3) Helmholtz-Zentrum fur Umweltforschung, Environmental Informatics, Leipzig, Germany Article History: Registration Date: 02/03/2015 Received Date: 27/02/2015 Accepted Date: 01/03/2015 Online Date: 24/03/2015
    Keywords: Geology;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 7
    Language: English
    In: Environmental Earth Sciences, 2017, Vol.76(20), pp.1-4
    Description: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s12665-017-7007-9 Byline: Sebastian Bauer (1), Andreas Dahmke (1), Olaf Kolditz (2) Author Affiliation: (1) Institute of Geosciences, Christian-Albrechts-University Kiel, Kiel, Germany (2) Helmholtz Centre for Environmental Research GmbH-UFZ, Leipzig, Germany Article History: Registration Date: 29/09/2017 Received Date: 19/05/2017 Accepted Date: 28/09/2017 Online Date: 14/10/2017 Article note: This article is part of a Topical Collection in Environmental Earth Sciences on 'Subsurface Energy Storage', guest edited by Sebastian Bauer, Andreas Dahmke, and Olaf Kolditz.
    Keywords: Renewable Energy ; Energy Management;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 8
    Language: English
    In: Environmental Earth Sciences, 2018, Vol.77(16), pp.1-5
    Description: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1007/s12665-018-7757-z Byline: Zhonghe Pang (1,2,3,7), Yanlong Kong (1,2,3,7), Haibing Shao (4,5,7), Olaf Kolditz (4,6,7) Author Affiliation: (1) 0000000119573309, grid.9227.e, Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, No. 19, Beitucheng West Road, Chaoyang District, Beijing, 100029, China (2) 0000 0004 1797 8419, grid.410726.6, University of Chinese Academy of Sciences, Beijing, 100029, China (3) 0000000119573309, grid.9227.e, Institutions of Earth Sciences, Chinese Academy of Sciences, Beijing, 100049, China (4) 0000 0004 0492 3830, grid.7492.8, Department of Environmental Informatics, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany (5) 0000 0001 0805 5610, grid.6862.a, Geothermal Systems Analysis, Freiberg University of Mining and Technology, Freiberg, Germany (6) 0000 0001 2111 7257, grid.4488.0, Applied Environmental Systems Analysis, Dresden University of Technology, Dresden, Germany (7) Sino-German Geothermal Research Centre (SG-GRC), Beijing, 100029, China Article History: Registration Date: 12/08/2018 Received Date: 07/08/2018 Accepted Date: 12/08/2018 Online Date: 21/08/2018
    Keywords: Geophysics ; Geothermal Energy ; Geothermal Energy Research ; Shale Oils;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 9
    Language: English
    In: Environmental Earth Sciences, 7/2015, Vol.74(2), pp.1837-1843
    Description: Issue Title: Thematic Issue: Karst Water Under GCP, Guilin, China
    Keywords: Earth Sciences ; Geology ; Hydrology/Water Resources ; Geochemistry ; Environmental Science and Engineering ; Terrestrial Pollution ; Biogeosciences ; Geology;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
    Source: Springer (via CrossRef)
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  • 10
    Language: English
    In: Environmental Earth Sciences, 11/2015, Vol.74(10), pp.7147-7158
    Description: Byline: Cui Chen (1), Feng Sun (3), Olaf Kolditz (1,2) Keywords: Geographical information system (GIS); Unified modeling language (UML); GeoHydro/DataBase (GH/DB); Hydrologic simulation; Meijiang watershed; OpenGeoSys Abstract: This paper presents the design and integration of a GIS-based data model for the regional hydrologic simulation in the Meijiang watershed, China. Hydrologic systems (HS) require integration of data and models simulating different processes. Here, an object-oriented approach using Unified Modeling Language (UML) is introduced, which supports the development of GIS-based Geodatabase model--GeoHydro/DataBase (GH/DB). Spatial data, such as basins, stream network, and observation stations are stored in the feature classes. The time series and their attributes are included in the tables. Relationship classes are used to link associated objects. The new development within the scientific program OpenGeoSys (OGS) is the integration of GH/DB into the numerical simulations. The graphical user interface is implemented for the pre- and post-processing of the simulation. As for the case study, a regional hydrologic model is developed in the Meijiang watershed area for the understanding of water infiltration from surface into groundwater via soil layer with various time scales. The integration of databases and modeling tool represents the comprehensive hydrosystems and thus it is a useful tool to understand the different processes and interactions between the related hydrological compartments. Author Affiliation: (1) Helmholtz Centre for Environmental Research, Permoserstr.15, 04318, Leipzig, Germany (2) Technische Universitat Dresden, Helmholtzstr.10, 01069, Dresden, Germany (3) Beijing Hydrological Centre, Beiwaxili 51, Haidian District, Beijing, 100089, China Article History: Registration Date: 19/08/2015 Received Date: 12/01/2015 Accepted Date: 16/08/2015 Online Date: 29/08/2015
    Keywords: Groundwater – Case Studies ; Groundwater – Analysis ; Geographic Information Systems – Case Studies ; Geographic Information Systems – Analysis ; Hydrology – Case Studies ; Hydrology – Analysis ; Geospatial Data – Case Studies ; Geospatial Data – Analysis;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
    Source: Springer (via CrossRef)
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