a
b
c
d
Fig. 16. Contours of glaciers No. 117 − 118 (Sakeni), No. 119, No. 120: a − on a topographic map, b − according to the Landsat 5 TM sensor image of August 31, 2010, c − according to the Landsat 8 OLI TIRS sensor image of August 29, 2015, d − according to the Landsat 8 OLI TIRS sensor image of September 11, 2020.
