William Kochtitzky and Ellyn Enderlin co-authorized an article for Journal of Glaciology entitled: Improved estimates of glacier change rates at Nevado Coropuna Ice Cap, Peru. ABSTRACT. Accurate quantification of rates of glacier mass loss is critical for managing water resources and for assessing hazards at ice-clad volcanoes, especially in arid regions like southern Peru. In read more Improved estimates of glacier change rates at Nevado Coropuna Ice Cap, Peru – Kochtitzky, Enderlin – Journal of Glaciology