Sensitivity of global hydrological models to potential evapotranspiration estimation methods in the Senegal River Basin (West Africa)
Physical geography
QE1-996.5
550
590
0207 environmental engineering
Geology
02 engineering and technology
551
GB3-5030
Sensitivity
Sensitivity Analysis
Senegal River Basin
[SDU.STU.HY] Sciences of the Universe [physics]/Earth Sciences/Hydrology
[SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology
Global Hydrological models
Evapotranspiration methods
Analysis
DOI:
10.1016/j.ejrh.2024.101823
Publication Date:
2024-05-18T11:09:01Z
AUTHORS (5)
ABSTRACT
Senegal River Basin in West Africa This paper aims to evaluate the sensitivity of global hydrological models potential evapotranspiration (PET) methods Basin. Potential is estimated using 21 and its influence on performance three GR (GR4J, GR5J GR6J) investigated five catchments. The data used are mean rainfall, discharge observed calculated PET over period 1984–1995. based climate those from NASA POWER reanalysis data. methodology consists in: (i) comparing consistency with respect PET, (ii) assessing robustness their different estimation methods. evaluation criteria assess model KGE PBIAS. Good obtained between GR4J more efficient simulate flows sub-basins. aerodynamic perform well models. However, this context where scarce, temperature such as Droogers Allen a good choice for modeling. results also show that have ability adapt poorly PET.
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