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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 geologic...

For a better definition of the Actual Climatic Optimum (the so called “global warming”) a detailed analysis of the Holocene climate is imperative. This paper broaches this analysis from the perspective of the “mini-glaciations” climatic cycle with a 1,000 yrs period which a series of authors took into consideration. The causes of these cycles are represented by periodical variations of the solar activity. But our analysis has covered a larger stratigraphical interval (23,000 yrs) including the W\"urm III s...