Table 2 Average flows observed and simulated (mm) by the GR4J model in the Casamance basin at Simenti
Period | Calibration (1981–1990) | Validation 1 (1991–2000) | Validation 2 (2001–2010) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Flow observed | Simulated flow | Difference | Observed flow rate | Simulated flow | Difference | Observed flow rate | Simulated flow | Difference | |
Average flow | 0.527 | 0.385 | 0.142 | 0.603 | 0.626 | − 0.023 | 0.756 | 0.536 | 0.220 |
High water | 0.856 | 1.064 | − 0.208 | 1.338 | 1.216 | 0.122 | 1.558 | 1.088 | 0.470 |
Low water | 0.046 | 0.139 | − 0.094 | 0.112 | 0.161 | − 0.049 | 0.178 | 0.137 | 0.041 |