Scholarly record
SEDIMENTARY MEDIA GIS BASED SOFTWARE PLATFORM TO IMPROVE GROUNDWATER MODELING
Abstract
The detailed modeling of sedimentary media (alluvial sediments, deltas, etc.) that form important aquifers is very complex for two reasons. The first is the intrinsic natural heterogeneity of the geological medium and the second is that the data management tools (manipulating geological and hydrogeological data) needed to implement them in the hydrogeological models are not developed enough. The paper presents a software platform containing methodologies and tools that facilitate the integration of the 3D geological models in sedimentary media into the hydrogeological modeling of flow and contaminant transport. This is composed by a geospatial database and a set of tools allowing accurate stratigraphical analysis. The geospatial database is used for the management of a large amount of different data types coming from different sources (geophysical, geological, hydraulic, and others). Its structure allows storing accurate and very detailed geological core description that can be straightforwardly generalized and further upscaled. Currently the following tasks are developed: (1) application and development of 3D geological techniques to characterize the sedimentary media; (2) development of techniques for hydraulic parameterization using a sedimentary media geological model; (3) generation of 3D hydrogeological models, and (5) application to the Moesic aquifer system focusing the Bucharest city region (Romania).
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References9
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