OpenGeoSys Tutorial
Computational Hydrology II: Groundwater Quality Modeling
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Symposia
Goal: The goal of this symposium is to identify ‘state-of-the-art’ strategies for the use of antipsychotic medications in the management of children and adolescents with major psychiatric disorders. Learning o...
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Density Dependent Flow
The governing equations used for variable density flow consist of three fundamental conservation equations: (i) continuity equation of flow, (ii) momentum equation, and (iii) contaminant transport equation. In...
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The IWAS-ToolBox: Software coupling for an integrated water resources management
Numerical modeling of interacting flow and transport processes between different hydrological compartments, such as the atmosphere/land surface/vegetation/soil/groundwater systems, is essential for understandi...
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TESSIN VISLab—laboratory for scientific visualization
Scientific visualization is an integral part of the modeling workflow, enabling researchers to understand complex or large data sets and simulation results. A high-resolution stereoscopic virtual reality (VR) ...
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Article
Assessing the saltwater remediation potential of a three-dimensional, heterogeneous, coastal aquifer system
This paper evaluates the remediation potential of a salinized coastal aquifer by utilizing a scenario simulation. Therefore, the numerical model OpenGeoSys is first validated against analytical and experimental d...
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Benchmark: Theis Problem
The Theis problem describes a transient lowering of the water table caused by a pum** well (see Fig. 4.1). In order to show the basic steps to set up simple numerical models with different dimensions in OGS, we...
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Density-Dependent Flow
Density-driven flow still remains to be a demanding challenge for both, the user and the numerical model.
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Variable Density Flow
The purpose of this benchmark is to verify the new directional transport boundary in OpenGeoSys. Therefore, a groundwater and solute transport model of an unconfined coastal under influence was devel...
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Article
Comprehensive assessment of eutrophication status based on Monte Carlo–triangular fuzzy numbers model: site study of Dongting Lake, Mid-South China
For the assessment of lake’s eutrophication status, a great deal of data uncertainties exists under the circumstances that monitoring data often are scarce and inaccuracy or the variation intervals are wide. I...
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Modelling Strategy
The numerical model should represent the best characterization of the groundwater flow and solute transport process for the aquifer system of the study area in Ashi catchment. In order to simulate the processe...
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Reactive Nitrate Transport Model
One of the main applications of numerical groundwater models is to predict future field behavior.
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Introduction
The tutorial explains the step by step development of a steady state groundwater model and a conservative and reactive transport model with the help of open source software, first of all the numerical modellin...
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Stationary Groundwater Model
The mesh creation process via the OGS Data Explorer requires the selection of geometric data sets and the parametrization of those elements by the graphical user interface of the OGS Data Explorer.
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Reactive Point Pollutants Model Within a Transient Flow Field
In our last part of the simulation, we will forecast changes in groundwater regime impacted by increasing drinking water abstraction rates (Sect. 1.2.3) and show h...
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HT (Convection) Processes
In a geothermal system, unstable fluid density profiles due to temperature variations can trigger the onset and development of free thermal convective processes (J.W. Elder. Transient convection in a porous me...
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WP-E: Groundwater Systems
The work package E was introduced as an addition to the “Urban Catchments”-project, in late 2016, more than one and a half year after its start. Its objective was to create a groundwater model to complete the ...
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Managing Water Resources for Urban Catchments
The overall objective of the project was the development of water management system solutions for a sustainable improvement of water quality in the city of Chaohu and in the Chao Lake. The Urban Water Resource...
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Lehren und Lernen: Bildung im Diskurs
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Open AccessThe interplay between vegetation and water in mangroves: new perspectives for mangrove stand modelling and ecological research
It is commonly accepted that vegetation patterns and water supply mutually define each other. In mangroves, soil water salinity and the corresponding osmotic potential are the main drivers of plant water suppl...
