@inproceedings{fdi:010082893,
  title = {{C}alibration of the hydrological model {GR}4{J} from potential evapotranspiration estimates by the {P}enman-{M}onteith and {O}udin methods in the {O}u{\'e}m{\'e} watershed ({W}est {A}frica)},
  author = {{K}odja, {D}.{J}. and {A}kognongb{\'e}, {A}.{J}.{S}. and {A}moussou, {E}. and {M}ah{\'e}, {G}il and {V}issin, {E}.{W}. and {P}aturel, {J}ean-{E}mmanuel and {H}ound{\'e}nou, {C}.},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he {O}u{\'e}m{\'e} watersheds at {B}{\'e}t{\'e}rou and {B}onou has been recently facing increased sensitivity to extreme hydroclimatic phenomena that occurred by flooding or drought events. {I}n the same time, the population growth and the related socio-economic activities increased the pressure state on water resources. {I}n this context, hydrological modeling is an important issue and this study aims at analyzing the calibration of the hydrological model {GR}4{J} based on {PET} {P}enman-{M}onteith and {O}udin methods. {D}aily rainfall, {P}enman-{M}onteith and {O}udin evapotranspiration and daily data flow from the {B}{\'e}t{\'e}rou and {B}onou hydrometric stations on the {O}u{\'e}m{\'e} {B}asin have been implemented in the {GR}4{J} model over the period 1971 to 2010. {O}udin {PET} values are slightly higher than the {P}enman-{M}onteith {PET} ones. {H}owever, the difference between the two {PET} methods have only few impacts on the optimization and performance criteria of the {GR}4{J} model. {T}he {N}ash values ranges from 0.83 to 0.91 in {B}onou, and 0.52 to 0.70 in {B}{\'e}t{\'e}rou for the calibration in dry period, while in validation, they are 0.59 to 0.78 in {B}{\'e}t{\'e}rou, and 0.56 to 0.88 in {B}onou in wet season. {I}n view of these results, with the two {PET} methods used which do not result from the same climatic variables, it should be said that the formulation of {PET} has only few impacts on the results of {GR}4{J} for these tropical basins.},
  keywords = {{MODELE} {HYDROLOGIQUE} ; {CALIBRAGE} ; {ETALONNAGE} ; {EVAPOTRANSPIRATION} {POTENTIELLE} ; {ESTIMATION} ; {INONDATION} ; {SECHERESSE} ; {PRECIPITATION} ; {VARIATION} {JOURNALIERE} ; {DEBIT} ; {BASSIN} {VERSANT} ; 1971 2010 ; {MODELE} {GR}4{J} ; {EQUATION} {PENMAN}-{MONTEITH} ; {METHODE} {OUDIN} ; {AFRIQUE} {DE} {L}'{OUEST} ; {OUEME} {BASSIN} {VERSANT} ; {BETEROU} ; {BONOU}},
  numero = {383},
  pages = {163--169},
  booktitle = {{H}ydrological processes and water security in a changing world},
  year = {2020},
  DOI = {10.5194/piahs-383-163-2020},
  URL = {https://www.documentation.ird.fr/hor/fdi:010082893},
}