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Preliminary Results on the Evaluation of Factors Influencing Evapotranspiration Processes in Vineyards
Department of General Physics “A. Avogadro”, University of Torino, Via Pietro Giuria 1, Torino, Italy
Department of Aerospace Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
Settore Fitosanitario Regione Piemonte, Via Livorno 60, Torino, Italy
3a Soc. di Sviluppo per l’Ambiente e l’AgroAlimentare a r.l., Via Le Chiuse 68, Torino, Italy
Centro di competenza per l’innovazione in campo Agro-ambientale (Agroinnova), University of Torino, Via L. Da Vinci 44, Grugliasco (To), Italy
* Author to whom correspondence should be addressed.
Received: 7 October 2010; in revised form: 20 October 2010 / Accepted: 29 November 2010 / Published: 13 December 2010
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.