COMPARAÇÃO ENTRE MÉTODOS DE ESTIMATIVA DA EVAPOTRANSPIRAÇÃO DE REFERÊNCIA (ETO) PARA

Wellington Farias Araújo; Sônia Aparecida Antunes Costa; Antonia Edilene dos Santos

COMPARAÇÃO ENTRE MÉTODOS DE ESTIMATIVA DA EVAPOTRANSPIRAÇÃO DE REFERÊNCIA (ETO) PARA

2007

Wellington Farias Araújo | Sônia Aparecida Antunes Costa | Antonia Edilene dos Santos

The aim of this research paper was to make a comparison between the reference values of crop evapotraspiration acquired through the FAO-modified Penman-Monteith and Thornthwaite, Hargreaves-Samani, Blaney-Criddle, the Class A pan and Makkink. Data was obtained from the meteorological station at Boa Vista, in the State of Roraima, Brazil. Results have shown that the methods of Blaney-Criddle tend to be well adjusted to the reference values of the crop evapotranspiration as to those obtained through the FAO-modified Penman-Monteith. The Class A pan showed good adjustments that can be a good alternative for irrigation management in this region.

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