Publicação: Reference evapotranspiration models using different time scales in the Jaboticabal region of Sao Paulo, Brazil
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Univ Estadual Maringa, Pro-reitoria Pesquisa Pos-graduacao
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The aim of this paper is to compare 18 reference evapotranspiration models to the standard Penman-Monteith model in the Jaboticabal, Sao Paulo, region for the following time scales: daily, 5-day, 15-day and seasonal. A total of 5 years of daily meteorological data was used for the following analyses: accuracy (mean absolute percentage error, Mape), precision (R-2) and tendency (bias) (systematic error, SE). The results were also compared at the 95% probability level with Tukey's test. The Priestley-Taylor (1972) method was the most accurate for all time scales, the Tanner-Pelton (1960) method was the most accurate in the winter, and the Thornthwaite (1948) method was the most accurate of the methods that only used temperature data in the equations.
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Model, Penman-monteith, Priestley and Taylor, Tanner and Pelton, Thornthwaite
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Inglês
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Acta Scientiarum-agronomy. Maringa: Univ Estadual Maringa, Pro-reitoria Pesquisa Pos-graduacao, v. 37, n. 1, p. 1-9, 2015.
