A 3D Geological Framework for Conceptual Hydrogeological Modelling of a Structurally Complex Aquifer System: Insights from the SE Tagus–Sado Basin, Iberian Pyrite Belt, Portugal
Groundwater is a critical resource for ecological sustainability and socio-economic development, but it is increasingly threatened by climate change and anthropogenic pressures. In southern Europe, particularly in Portugal, declining groundwater availability has become a major concern in recent years. This study focuse...