@article{fdi:010069474, title = {{E}stimation of actual evapotranspiration over a rainfed vineyard using a 1-{D} water transfer model : {A} case study within a {M}editerranean watershed}, author = {{G}alleguillos, {M}. and {J}acob, {F}r{\'e}d{\'e}ric and {P}revot, {L}. and {F}aundez, {C}. and {B}saibes, {A}.}, editor = {}, language = {{ENG}}, abstract = {{T}he current study aims to evaluate the capabilities of soil water balance modeling to estimate {ET} for very different conditions of rainfed grapevine water status, within a vineyard landscape that depicts heterogeneities in canopy, soil and water table conditions. {W}e calibrated the {HYDRUS}-1{D} model against measurements of the soil moisture profile within seven contrasted sites, we validated {HYDRUS}-1{D} sim-ulations against {ET} estimates derived from eddy covariance ({EC}) measurements within two contrasted sites, and we analyzed the temporal dynamics of the {HYDRUS}-1{D} {ET} simulations throughout almost two growth cycles for the seven sites. {T}he calibration of {HYDRUS}-1{D} was correctly achieved, with a relative {RMSE} of 20% on average. {V}alidation of {HYDRUS}-1{D} simulations against {EC} measurements was satisfactory, with {RMSE} values of about 40{W} m(-2) at the hourly timescale and 0.5 mm d(-1) at the daily timescale. {HYDRUS}-1{D} was able to provide consistent time series of {ET} within the seven contrasted sites and throughout the two growth cycles. {W}e conclude that {HYDRUS}-1{D} simulations can be used as an alternative to {EC} measurements within rainfed vineyards, to alleviate experimental efforts for device cost and maintenance. {F}urther, {HYDRUS}-1{D} simulations can be used for characterizing spatial variabili-ties and temporal dynamics, assessing impact of pedological conditions and land use on {ET}, or validating remote sensing retrievals over regional extents.}, keywords = {{H}eterogeneous landscape ; {HYDRUS}-1{D} ; {V}adose zone ; {W}ater table ; {FRANCE}}, booktitle = {}, journal = {{A}gricultural {W}ater {M}anagement}, volume = {184}, numero = {}, pages = {67--76}, ISSN = {0378-3774}, year = {2017}, DOI = {10.1016/j.agwat.2017.01.006}, URL = {https://www.documentation.ird.fr/hor/fdi:010069474}, }