Modélisation hydrologique intégrée de bassins versants fortement transitoires : développement d'outils numériques et applications

Abstract : This works aims at contributing to the development and application of a pre-existing integrated hydrological model (Pan et al., 2015; Weill et al., 2017) : Normally Integrated Model (NIM). The specificity of this model is to perform an integration of the 3D groundwater flow equation over the direction perpendicular to the substratum of the aquifer, so that the problem becomes 2D. It results in a substantial gain both in calculation time and required memory. During this thesis, NIM has been fully rewritten and optimized. Besides, a 2D overland flow module has been implemented, which enabled to apply the model in real cases on two distinct watersheds. Furthermore, the validity of NIM simulations and their efficiency as regards computation times have been assessed on numerous synthetic test cases.
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Benjamin Jeannot. Modélisation hydrologique intégrée de bassins versants fortement transitoires : développement d'outils numériques et applications. Sciences de la Terre. Université de Strasbourg, 2018. Français. ⟨NNT : 2018STRAH009⟩. ⟨tel-02140175⟩

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