Abstract: The paper summarizes the preliminary results from the analysis of data collected during the 2008 and 2009 vegetative seasons in a northern Italy vineyard (Vitis vinifera L., Barbera variety) and the simulations carried out in the same period with the land surface model UTOPIA. The aim of the work is to study the influence of the meteorological factors on the plant conditions. We collected a set of standard and advanced meteorological, physiological and physical data and we investigated the performance of UTOPIA in describing the different components of the energy and hydrological processes (in particular the evapotranspiration), with a special focus on the vegetation and soil. The comparison between observed data and UTOPIA simulations showed satisfactory results for the soil variables (RRMSE ranging between 15% and 40%, and correlation coefficients of 0.9). Net radiation and sensible heat fluxes RRMSE (30% and 63% respectively) suggest that both the calibration of the vegetation parameters (including the influence of the grass among vine rows) and the availability of more specific measurements are very important.
Keywords: vineyard; sonic anemometer; evapotranspiration; sensible heat fluxes; LSPM; UTOPIA; Barbera vine
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Francone, C.; Cassardo, C.; Spanna, F.; Alemanno, L.; Bertoni, D.; Richiardone, R.; Vercellino, I. Preliminary Results on the Evaluation of Factors Influencing Evapotranspiration Processes in Vineyards. Water 2010, 2, 916-937.
Francone C, Cassardo C, Spanna F, Alemanno L, Bertoni D, Richiardone R, Vercellino I. Preliminary Results on the Evaluation of Factors Influencing Evapotranspiration Processes in Vineyards. Water. 2010; 2(4):916-937.
Francone, Caterina; Cassardo, Claudio; Spanna, Federico; Alemanno, Laura; Bertoni, Davide; Richiardone, Renzo; Vercellino, Irene. 2010. "Preliminary Results on the Evaluation of Factors Influencing Evapotranspiration Processes in Vineyards." Water 2, no. 4: 916-937.