Changes of glacier, glacier-fed rivers and lakes in Altai Tavan Bogd National Park, Western Mongolia, based on multispectral satellite data from 1990 to 2017

Bayartungalag Batsaikhan1, Ochirkhuyag Lkhamjav2 and Nandinbayar Batsaikhan2, (1)Mongolian University of Science and Technology, Research Center for Ecology and Sustainable Development, Ulaanbaatar, Mongolia, (2)Mongolian Geospatial Association, Ulaanbaatar, Mongolia