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  • 1
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.74(10), pp.7147-7158
    Description: 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.
    Keywords: Geographical information system (GIS) ; Unified modeling language (UML) ; GeoHydro/DataBase (GH/DB) ; Hydrologic simulation ; Meijiang watershed ; OpenGeoSys
    ISSN: 1866-6280
    E-ISSN: 1866-6299
    Source: Springer Science & Business Media B.V.
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  • 2
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.74(10), pp.6975-6980
    ISSN: 1866-6280
    E-ISSN: 1866-6299
    Source: Springer Science & Business Media B.V.
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  • 3
    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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  • 4
    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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  • 5
    Language: English
    In: Environmental Earth Sciences, 11/2015, Vol.74(10), pp.6975-6980
    Description: Issue Title: Developing dynamic VGEs for geographic research
    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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  • 6
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.74(2), p.1837(7)
    Description: Byline: Erik Nixdorf (1,2), Cui Chen (1,4), Yuanyuan Sun (3), Olaf Kolditz (1,2,4) Author Affiliation: (1) Department of Environmental Informatics, Helmholtz Centre for Environmental Research, Permoserstr.15, 04318, Leipzig, Germany (2) Applied Environmental System Analysis, Technische Universitat Dresden, Helmholtzstr.10, 01069, Dresden, Germany (3) Chinese Research Academy of Environmental Sciences, Dayangfang, Beiyuan 8, 100012, Beijing, China (4) Sino-German Research Centre on Environmental Information Science (RCEIS), Chinese Academy of Sciences, 11A, Datun Road, Anwai, 100101, Beijing, China Article History: Registration Date: 20/04/2015 Online Date: 06/05/2015
    Keywords: Water Pollution ; Water Resources ; Persistent Organic Pollutants
    ISSN: 1866-6280
    Source: Cengage Learning, Inc.
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  • 7
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.74(8), pp.6361-6365
    Description: Byline: TianXiang Yue (1), Bing Xu (2,3,4), Na Zhao (1), Cui Chen (5), Olaf Kolditz (6) Author Affiliation: (1) Institute of Geographical Sciences and Natural Resources Research (IGSNRR), University of Chinese Academy of Sciences (UCAS), 11A, Datun Road, Anwai, Beijing, 100101, China (2) Department of Geography, University of Utah, 260 S. Central Campus Dr., Rm. 270, Salt Lake City, UT, 84112-9155, USA (3) Department of Geography, Tsinghua University, Beijing, 100084, China (4) Department of Geography, Beijing Normal University, Beijing, 100084, China (5) Department of Environmental Informatics (ENVINF), Helmholtz Centre for Environmental Research (UFZ), Sino-German Research Centre for Environmental Information Science (RCEIS), Permoserstra[sz]e 15, 04318, Leipzig, Germany (6) Department of Environmental Informatics (ENVINF), Helmholtz Centre for Environmental Research (UFZ), Applied Environmental Systems Analysis (TU Dresden), Sino-German Research Centre for Environmental Information Science (RCEIS), Permoserstra[sz]e 15, 04318, Leipzig, Germany Article History: Registration Date: 09/09/2015 Received Date: 01/09/2015 Accepted Date: 08/09/2015 Online Date: 21/09/2015
    Keywords: Information Science;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 8
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.74(5), pp.3685-3688
    Description: As one of the most important territorial resources, lakes play an important role during the economic and social development in China. In recent decades, due to irrational patterns of economic and social development, fast urbanization and under-developed facilities for pollution treatment, many lakes...
    Keywords: China ; Lakes ; Water Pollution ; Eutrophication ; Algae ; Economic Development;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 9
    Language: English
    In: Environmental Earth Sciences, 2015, Vol.74(5), pp.3929-3933
    Description: Quality of surface waters is a severe problem worldwide but particularly important to China because of the water resources use from the huge rivers originating in the Tibetan plateau flowing through the North China Plain into the Pacific Ocean. The water quality issue includes nutrients, in particular...
    Keywords: Taihu Lake ; China ; Lakes ; Water Quality ; Surface Water ; Water Resources;
    ISSN: 1866-6280
    E-ISSN: 1866-6299
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  • 10
    Language: English
    In: International Journal of Digital Earth, 03 April 2018, Vol.11(4), pp.397-407
    Description: Due to extensive water pollution in Chinese rivers and lakes, large efforts have to be made to improve the quality of drinking water and manage the sewage water treatment process. We propose a general workflow for integrating a large number...
    Keywords: Scientific Visualisation ; Virtual Reality ; Hydrological Modelling ; Opengeosys Data Explorer ; Vislab ; Environmental Sciences
    ISSN: 1753-8947
    E-ISSN: 1753-8955
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