Cross Comparison of Empirical Equations for Calculating Potential Evapotranspiration with Data from Switzerland

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Comparison and Validation of Selected Evapotranspiration Models for Conditions in Poland (Central Europe) (2014, neutral): “2.2 Evapotranspiration Estimation The commonly used methods for estimating evapotranspiration can be grouped into four categories based on the dataset type that is used: radiation, aerodynamic (masstransfer), temperature and pan evaporation (Xu and Singh 2002, Mallikarjuna et al. 2014).”
Parametric expressions for the adjusted Hargreaves coefficient in Eastern Spain (2015, background): “Other studies 105 found a tendency to overestimate it at low evapotranspiration rates and vice versa (e.g. 106 Droogers and Allen, 2002; Xu and Singh, 2002).”
Evaluation of 13 Empirical Reference Potential Evapotranspiration Equations on the Island of Crete in Southern Greece (2011, methodology): “Visithttp://www.ascelibrary.org • Hammon’s equation (Lu et al. 2005) PETHam1 ¼ 0:1651·ðDL=12Þ·½216:7·es=ðTmean þ 273:3Þ ·a ð5Þ where a ¼ constant ¼ 1:2; and es in mb. • Hammon’s equation (Oudin et al. 2005) PETHam2 ¼ ðDL=12Þ2· expðTmean=16Þ ð6Þ • Hammon’s equation (Rosenberry et al. 2004) PETHam3 ¼ ”