Construction d'un indicateur de qualité des eaux de surface vis-à-vis des produits phytosanitaires à l'échelle du bassin versant viticole

Abstract : The degradation of surface water quality is mainly due to intensive agricultural practices. The main goal of this PhD program is to construct a watershed decision aid tool from a field decision aid tool which already exists. I-PhyField is calculated in 2 experimental French watersheds (Chablis, Rouffach). The adaptation proposed for the I-Phy indicator is to add a module which accounts for the distance between field and outlet and characteristics of the runoff water way : field connectivity index" (Ci). Ci index deals with factors outlying the field of study which may influence pesticide runoff and also, hydrological characteristics of the water way between the field and the watershed outlet. Ci index and I-Phy-BV indicator were calculated and validated for the 2 vineyard watersheds. Further research is needed for the validation.
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Marie Scholtus. Construction d'un indicateur de qualité des eaux de surface vis-à-vis des produits phytosanitaires à l'échelle du bassin versant viticole. Alimentation et Nutrition. Institut National Polytechnique de Lorraine, 2004. Français. ⟨NNT : 2004INPL055N⟩. ⟨tel-01749755⟩

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