Satellite observations show no net change in the percentage of supraglacial debris-covered area in northern Pakistan from 1977 to 2014
S. Herreid, F. Pellicciotti, A. Ayala, A. Chesnokova, C. Kienholz, J. Shea, A. Shrestha, Journal of Glaciology 61 (2015) 524–536.