Evaluating a finer resolution global hydrological model’s simulation of discharge in four West-African river basins
| dc.contributor.author | Babalola, T.E. | |
| dc.contributor.author | Oguntunde, Phillip G. | |
| dc.contributor.author | Ajayi, A.E. | |
| dc.contributor.author | Akinluyi, F.O. | |
| dc.contributor.author | Sutanudjaja, E.H. | |
| dc.date.accessioned | 2026-04-14T07:48:21Z | |
| dc.date.available | 2026-04-14T07:48:21Z | |
| dc.date.issued | 2021-11 | |
| dc.description | Article full text | |
| dc.description.abstract | Performance evaluation of hydrological models enables their consolidation, thereby allowing for the evaluation of water resource conservation approaches. This research aims to evaluate the performance of a finer resolution version (5 arcmin) of the PCRaster Global Water Balance (PCR-GLOBWB) for discharge estimation, in four basins in data-scarce West Africa; the Niger, Komadugu-Yobe, Jama’are, and Ogun. At the Ogun, discharge simulation was validated in a proxy basin, Ouémé, which is hydrologically comparable. The model performance was evaluated using Nash–Sutcliffe efficiency (NSE), coefficient of determination (r 2 ), Kling–Gupta efficiency (KGE), RMSE—observations standard deviation ratio (RSR), percent bias (PBIAS) and visual plots. PCR-GLOBWB was found to be suitable in all four basins but yielded better performance at three of the basins; the Niger, Jama’are, and Komadugu-Yobe (NSE, KGE, and r 2 above 0.7) compared to the Ogun basin where a proxy validation approach was followed. Results at the Ogun underlined the importance of measured data in hydrological studies. Still, model performance was satisfactory in the Ogun. PCR-GLOBWB performances across the four basins, in the area, validate its reliability as a tool applicable for water resources management strategies and further investigation of impacts of climate variations on river dynamics | |
| dc.identifier.citation | Babalola, T. E., Oguntunde, P. G., Ajayi, A. E., Akinluyi, F. O., & Sutanudjaja, E. H. (2021). Evaluating a finer resolution global hydrological model’s simulation of discharge in four West-African river basins. Modeling Earth Systems and Environment, 7, 2167–2178. https://doi.org/10.1007/s40808-020-00948 | |
| dc.identifier.uri | https://doi.org/10.1007/s40808-020-00948 | |
| dc.identifier.uri | https://repository.elizadeuniversity.edu.ng/handle/123456789/1559 | |
| dc.language.iso | en | |
| dc.publisher | Springer International Publishing | |
| dc.relation.ispartofseries | Vol.7, No.4 | |
| dc.title | Evaluating a finer resolution global hydrological model’s simulation of discharge in four West-African river basins | |
| dc.type | Article |