@article{fdi:010079414,
  title = {{E}valuation and calibration of alternative methods for estimating reference evapotranspiration in the {S}enegal {R}iver {B}asin},
  author = {{N}diaye, {P}. {M}. and {B}odian, {A}. and {D}iop, {L}. and {D}eme, {A}. and {D}ezetter, {A}lain and {D}jaman, {K}.},
  editor = {},
  language = {{ENG}},
  abstract = {{R}eference evapotranspiration ({ET}0) is a key element of the water cycle in tropical areas for the planning and management of water resources, hydrological modeling, and irrigation management. {T}he objective of this research is to assess twenty methods in computing {ET}0 in the {S}enegal {R}iver {B}asin and to calibrate and validate the best methods that integrate fewer climate variables. {T}he performance of alternative methods compared to the {P}enman {M}onteith ({FAO}56-{PM}) model is evaluated using the coefficient of determination ({R}-2), normalized root mean square error ({NRMSE}), percentage of bias ({PBIAS}), and the {K}ling-{G}upta {E}fficiency ({KGE}). {T}he most robust methods integrating fewer climate variables were calibrated and validated and the results show that {T}rabert, {V}aliantzas 2, {V}aliantzas 3, and {H}argreaves and {S}amani models are, respectively, the most robust for {ET}0 estimation. {T}he calibration improves the estimates of reference evapotranspiration compared to original models. {I}t improved the performance of these models with an increase in {KGE} values of 45%, 32%, 29%, and 19% for {T}rabert, {V}aliantzas 2, {V}aliantzas 3, and {H}argreaves and {S}amani models, respectively. {F}rom a spatial point of view, the calibrated models of {T}rabert and {V}aliantzas 2 are robust in all the climatic zones of the {S}enegal {R}iver {B}asin, whereas, those of {V}aliantzas 3 and {H}argreaves and {S}amani are more efficient in the {G}uinean zone. {T}his study provides information on the choice of a model for estimating evapotranspiration in the {S}enegal {R}iver {B}asin.},
  keywords = {reference evapotranspiration ; {FAO}56-{PM} ; alternative methods ; calibration/validation ; {S}enegal {R}iver basin ; {SENEGAL} {FLEUVE} {BASSIN} ; {ZONE} {SAHELIENNE} ; {ZONE} {SOUDANIENNE} ; {ZONE} {GUINEENNE}},
  booktitle = {},
  journal = {{H}ydrology},
  volume = {7},
  numero = {2},
  pages = {art. 24 [15 p.]},
  year = {2020},
  DOI = {10.3390/hydrology7020024},
  URL = {https://www.documentation.ird.fr/hor/fdi:010079414},
}