a
b
c
d
Fig. 32. Glaciers No. 241 (Ushba), No. 242 (Guli) and No. 243 Contours: a − according to the topographic map, b − according to the Landsat 7 ETM+ sensor image of August 31, 2010, c − according to the Landsat 8 OLI TIRS sensor image of September 5, 2015, d − according to the Landsat 8 OLI TIRS sensor image of September 11, 2020.
