A evapotranspiração de referência (ETo) é importante para a agricultura irrigada e sua relação com o Kc da cultura determina Evapotranspiração (ETc). Organização das Nações Unidas Alimentação Agricultura (FAO) determinou como padrão método Penman Monteith estimativa ETo, porém existem diferentes fórmulas empíricas tal aplicação, sendo assim presente trabalho tem objetivo avaliar referencia por ...

The FAO 56 Penman–Monteith equation (PM) is considered the most accurate method for estimating reference evapotranspiration (ETo). However, PM requires a large amount of data that not always available. Thus, objective this study to improve Hargreaves–Samani (HS) estimates in Peruvian Altiplano (PA) by calibrating radiation coefficient KRS. results show modified HS (HSM) ETo at validation after ...

Abstract This study aimed to accurately estimate daily wheat evapotranspiration using two remote sensing algorithms, Surface Energy Balance System (SEBS) and Algorithm for Land (SEBAL), in central Khuzestan province during 2019–2020. The results of algorithms were compared with lysimeter (as a direct method), FAO-Penman–Monteith (FAO-PM), temperature-based methods (Hargreaves-Samani Blaney-Crid...

an accurate determination of evapotranspiration is required for many studies that involve estimation of the water balance. one methodology is the use of lysimeters. considering the semiarid climate of kerman province, in southeastern parts of iran, the only operating electronic weighing lysimeter in the country was used for calculating daily eto from april 2004 to march 2005 in three different ...