GIS-based modeling and analytical approaches for groundwater quality suitability for different purposes in the Egyptian Nile Valley, a case study in Wadi Qena - Megahed, Hanaa A.; Farrag, Abd El-Hay A.; Mohamed, Amira A.; Darwish, Mahmoud H.; AbdelRahman, Mohamed A. E.; El-Bagoury, Heba; D’Antonio, Paola; Scopa, Antonio; Saad, Mansour A. A. (Frontiers in Water, 2025)