Silvio Jose Gumiere

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3D hydrological modeling was performed, using CATHY (acronym for CATchment HYdrology model), with the basic objective of checking whether the model could reproduce the effects of subsurface agricultural drainage on stream flows and soil water storage. The model was also used to further our understanding of the impact of soil hydrodynamic properties on(More)
To preserve the quality of surface water, official French regulations require farmers to keep a minimum acreage of grassland, especially bordering rivers. These agro-environmental measures do not account for the circulation of water within the catchment. This paper examines whether it is possible to design with the farmers agri-environmental measures at(More)
RésuméCe travail présente une étude de cas qui traite du calage et de la validation multiéchelle du modèle MHYDASErosion appliqué au bassin versant de Roujan, en France, occupé principalement par des vignobles. Pour le calage, les valeurs des paramètres touchant les cultures ont été estimées à partir des connaissances d’experts et du logiciel d’estimation(More)
Organic soils are an excellent substrate for commercial lettuce (Lactuca sativa L.) farming; however, drainage accelerates oxidation of the surface layer and reduces the water holding capacity, which is often lethal for crops that are sensitive to water stress. In this case study, we analyzed 942 peat samples from a large cultivated peatland complex (18.7(More)
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