David W Stahle¹, Max Torbenson², Daniela Granato-Souza³, Ian Howard⁴, Ana Carolina Maioli Compos Barbosa⁵, Song Feng¹, Jochen Schongart⁶, Lidio Lopez⁷ and Ricardo Villalba⁸, (1)University of Arkansas, Fayetteville, AR, United States, (2)Ohio State University, Columbus, United States, (3)University of Arkansas, Fayetteville, United States, (4)University of Arkansas, Geosciences, Fayetteville, AR, United States, (5)Federal University of Lavras, Lavras, Brazil, (6)INPA National Institute of Amazonian Research, Manaus, Brazil, (7)IANIGLA-CONICET, Mendoza, Argentina, (8)Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales, Mendoza, Argentina