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Theses

Modélisation agro-hydrologique spatialement distribuée pour évaluer les impacts des changements climatique et agricole sur la qualité de l'eau

Abstract : The general objective of this thesis is to improve spatially distributed agro-hydrological models for agro-hydrosystems analysis, under climatic and anthropogenic changes, in order to contribute to the identification of levers of action to mitigate effects of non-point source agricultural pollution. This thesis is structured around three research questions related to: i) the representation of spatio-temporal dynamics of cropping systems for their use as input in distributed agro-hydrological models; ii) the representation of farm level and decisions of farmers in distributed agro-hydrological models; and iii) the ability of these models to simulate climate and anthropogenic changes.Elements of response to these questions are provided by modeling approaches carried out in different contexts and at different scales of space and time. These approaches are discussed by comparing them with other works carried out. These different studies raise the need to develop methodologies allowing (i) the acquisition of data and their integration in distributed agro-hydrological models (ii) and, the improvement of the use of simulations results, in particular to transform them into relevant and accessible information for stakeholders at territorial level. Perspectives, covering both uncertainties of the simulations of the agro-hydrological models and the analysis of the robustness of these models, are also considered
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https://tel.archives-ouvertes.fr/tel-01662412
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Submitted on : Wednesday, December 13, 2017 - 10:33:54 AM
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  • HAL Id : tel-01662412, version 1

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Jordy Salmon-Monviola. Modélisation agro-hydrologique spatialement distribuée pour évaluer les impacts des changements climatique et agricole sur la qualité de l'eau. Science des sols. Agrocampus Ouest, 2017. Français. ⟨NNT : 2017NSARD081⟩. ⟨tel-01662412⟩

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