Articles | Volume 9, issue 2
Earth Syst. Sci. Data, 9, 615–638, 2017
https://doi.org/10.5194/essd-9-615-2017
Earth Syst. Sci. Data, 9, 615–638, 2017
https://doi.org/10.5194/essd-9-615-2017

Review article 25 Aug 2017

Review article | 25 Aug 2017

High-resolution global grids of revised Priestley–Taylor and Hargreaves–Samani coefficients for assessing ASCE-standardized reference crop evapotranspiration and solar radiation

Vassilis G. Aschonitis et al.

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Short summary
The study provides high-resolution global grids of revised annual coefficients for the Priestley–Taylor and Hargreaves–Samani evapotranspiration methods after calibration based on the ASCE-standardized Penman–Monteith method. Additional analysis was also performed in order to develop respective coefficients for the solar radiation formula of Hargreaves–Samani. The results of the study can be used to improve evapotranspiration assessment for regions with limited climatic data.