I'm currently working with LARS-WG (Weather Generator) a statistical downscaling model for predict climate change impacts on evapotranspiration . I'm looking to understand what method LARS-WG uses for calculating PET (Potential Evapotranspiration). I read on a website it use the Priestley-Taylor method. But I did not find any articles or valid references to confirm it. Priestley-Taylor usually takes PET more than real. If you know what method LARS-WG uses for calculating PET, I'm very happy to announce to me.
Best Regards