North Andean Glacier Retreat, A Comprehensive Analysis Using Satelli1te Earth Observation Data - Sergio M. M. Cárdenas; Diana P. C. Ruiz; Brenda A. Duarte (IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium, Athens, Greece, July 7-12, 2024, 2024)