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Figure 9

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Evolution de la performance du modèle GR4J (critère C2MRQ) au calage (a), au contrôle (b) et en conditions non jaugées (c) pour trois configurations de réseau d’observation météorologique. Les résultats sont donnés pour 128 bassins et la période 1990-2002. Evolution of the efficiency of the GR4J model (C2MRQ criterion) in calibration mode (a), in validation mode (b) and in ungauged conditions (c) for three types of weather stations network. Results are given for the 128 basins of our sample on the period 1990-2002.

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