. 2022 May 9;29(6):4455–4478. doi: 10.1007/s11831-022-09746-3

Table 4.

Estimation of evapotranspiration ET $_{o}$ with empirical methods

Author	Method	Parameters
Malamos et al. [80]	FAO Penman–Monteith	T $_{mean}$ , u $_{2}$ , R $_{H}$ , latitude $ϕ$ , altitude (m), I $_{s}$
Tegos et al. [81]	FAO Penman–Monteith	T $_{mean}$ , u $_{2}$ , R $_{H}$ ,I $_{s}$ , R $_{s}$ , R
Ficklin et al. [82]	Penman, Monteith, Thornthwaite, Hamon	T $_{mean}$ , u $_{2}$ , R $_{H}$ ,I $_{s}$
Yang et al. [83]	FAO-56 Penman–Monteith, Hargreaves–Samani, Reduced-set Penman Monteith (RPM)	T $_{mean}$ , T $_{\max}$ , T $_{\min}$ , RH $_{mean}$ , u $_{2}$ , I $_{s}$ , VPD.
Heydari et al. [84]	Blaney-Criddle	T $_{mean}$ , RH $_{\min}$ , u $_{2}$ , I $_{s}$ , $ρ$ , $α$ , and $β$ coefficients.