a
b
c
d
Fig. 12. Contours of glaciers No. 91 (Nakhari) − 93 (Namshikhi), No. 94 − 96: a − on a topographic map, b − according to the Landsat 7 ETM+ sensor image of September 11, 2010, c − according to the Landsat 7 ETM+ sensor image of September 6, 2015, d − according to the Landsat 8 OLI TIRS sensor image of September 11, 2020.
