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Figure 5

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Impact des entrées de précipitations sur les paramètres de calage du modèle GR4J. Les résultats sont donnés pour les 148 bassins de l’échantillon pour X1 : la capacité maximale du réservoir de production (mm); X2 : le coefficient d’échange non atmosphérique (mm); X3 : la capacité à un jour du réservoir de routage (mm); X4 : le temps de base de l’hydrogramme unitaire (jour). Impact of rainfall inputs on the GR4J parameters. Results are given for the 148 basins of our sample. X1: maximal capacity of the production reservoir (mm); X2: water exchange coefficient (mm); X3: capacity of the non linear routing reservoir (mm); X4: Unit hydrograph time base (day).

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