a
b
c
d
Fig. 27. No. 217 (Tsimzagari), No. 218, No. 219 (North Charinda) and No. 220 (West Charinda) glacier 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.
