2026-05-272026-05-27https://cris.inaigem.gob.pe/handle/123456789/1053The Peruvian Andes harbor the largest number of tropical glaciers in the world. Among these systems, the Cordillera Blanca stands out as the most extensively covered by glaciers, hosting eight of the country's largest glaciers. However, the glaciers of the Cordillera Blanca have been rapidly retreating in recent decades, albeit with brief periods of advancement. The purpose of this research is to enhance the assessment of the complex processes associated with glacier retreat in the Cordillera Blanca in Peru and its impact on water resource availability, using isotopic hydrology tools. The aim is to gain a better understanding of how glaciers influence the water cycle at both local and regional levels, and how alterations in these processes due to climate change will affect water resources and adjacent ecosystems.HydrologyIsotopes