Physics-informed neural networks for enhanced reference evapotranspiration estimation in Morocco: Balancing semi-physical models and deep learning - Chouaib El Hachimi; Salwa Belaqziz; Saïd Khabba; Andre Daccache; Bouchra Ait Hssaine; Hasan Karjoun; Youness Ouassanouan; Badreddine Sebbar; Mohamed Hakim Kharrou; Salah Er-Raki; Abdelghani Chehbouni (Chemosphere, 2025)