Comparison of Class A pan evaporation with estimated reference evaporation and evapotranspiration

Brigitta Simon-Gáspár; Gábor Soós; Angéla Anda

Authors

Brigitta Simon-Gáspár Hungarian University of Agriculture and Life Sciences, Georgikon Campus, e-mail: Simon.Gaspar.Brigitta@uni-mate.hu (corresponding author) https://orcid.org/0000-0001-7982-8940
Gábor Soós Hungarian University of Agriculture and Life Sciences, Georgikon Campus, e-mail: Soos.Gabor@uni-mate.hu https://orcid.org/0000-0003-0053-9447
Angéla Anda Hungarian University of Agriculture and Life Sciences, Georgikon Campus, e-mail: Anda.Angela@uni-mate.hu https://orcid.org/0000-0002-9750-1674

Keywords:

evaporation, class A pan, floating leaf macrophyte

Abstract

Aquatic plants (macrophytes) can have a large effect on water evaporation, yet they are ignored when determining evaporation from lakes and reservoirs. The aim of the experiment was to determine the effect of a floating leaf macrophyte (Nuphar lutea, yellow water lily) on evaporation. The measured evaporation data were also compared with the calculated from the evaporation/evapotranspiration formulas used in the literature (Shuttleworth, FAO56 Penman-Monteith, Hargreaves-Samani and Priestley-Taylor formula). The results showed that the presence of yellow water lily increase Class A pan evaporation. Of the empirical formulas, the FAO-56 Penman-Monteith reference evapotranspiration values were closest to the observed evaporation values.

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Comparison of Class A pan evaporation with estimated reference evaporation and evapotranspiration

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