Evaluation of the effect of advective energy on the estimation of reference evapotranspiration in the Lavras region, Minas Gerais

Souza, J.L.M.; Villa Nova, N.A.; Castro Neto, P.

Revista do Setor de Ciencias Agrarias 13(1/2): 41-47

1994


Accession: 002834981

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Abstract
The methods of Thornthwaite, Penman and Class A pan evaporation were compared for estimating reference evapotranspiration (ETo) in the Lavras region of Minas Gerais, Brazil. All the methods tested overestimated ETo. Best results were obtained with Thornthwaite's method, followed by the Penman and Class A pan evaporation methods. The importance of taking advective energy into consideration when estimation ETo is briefly discussed.