@article{fdi:010094504, title = {{E}valuation and calibration of alternative methods for estimating reference evapotranspiration in the main hydrosystems of {S}enegal : {S}enegal, {G}ambia and {C}asamance river basins}, author = {{B}odian, {A}. and {N}diaye, {P}.{M}. and {D}iop, {S}.{B}. and {D}iop, {L}. and {D}ezetter, {A}lain and {O}gilvie, {A}ndrew and {D}jaman, {K}.}, editor = {}, language = {{ENG}}, abstract = {{R}eference evapotranspiration ({ET}0) is an essential parameter for hydrological modeling, irrigation planning and for studying the impacts of climate change on water resources. {T}he {P}enman-{M}onteith method is recommended for estimating {ET}0 under all climatic conditions, but its application is limited in regions where data is difficult to access. {T}he alternative is to use methods that incorporate fewer climatic parameters. {T}he objective of this work is to evaluate twenty alternative methods using few climate parameters of estimating {ET}0 and to calibrate/validate the best ones in order to adapt them to the climatic context of the main hydrosystems of {S}enegal: {S}enegal, {G}ambia and {C}asamance river basins. {T}he {KGE} and the {PBIAS} were used to evaluate the performance of the methods. {T}he results show that after calibration/validation the methods of {T}rabert, {H}argreaves, {H}argreaves & {S}amani, {T}rajkovic and {O}udin are the best on for the estimation of the reference evapotranspiration in the {S}enegal, {G}ambia and {C}asamance {R}iver {B}asins.}, keywords = {{SENEGAL} ; {GAMBIE} {BASSIN} ; {CASAMANCE} {BASSIN}}, booktitle = {{IAHS}2022 - {H}ydrological sciences in the {A}nthropocene}, journal = {{P}roceedings of {IAHS}}, volume = {385}, numero = {}, pages = {415--421}, ISSN = {2199-899{X}}, year = {2024}, DOI = {10.5194/piahs-385-415-2024}, URL = {https://www.documentation.ird.fr/hor/fdi:010094504}, }