Kirtisho Glacier
Catalogue data reported the Kirtisho Glacier area as 4.6 kmІ, while SRS corrected it to 4.0 kmІ.
Calculations show that the nonlinear retreat of the Kirtisho Glacier is described with high accuracy by a second-order parabolic curve:
                                                           Y=0.4756x2-4.219x+11.112   
a
b
Kirtisho Glacier: a − Schematic image of retreat; b − Retreat graph.
Boko Glacier
Boko glacier (R. Rioni basin) area is 4.6. km2 according to the catalogue and correspondingly - 3.7 km2 according to SRS.
The calculations show that the non-linear retreat of the Boko Kirtisho glacier is described with high accuracy by the parabola curve:
                                                                       Y=0.0635 x2+13.576
a
b
Boko Glacier: a − Schematic image of retreat; b − Retreat graph.
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