Evaluation of surface melt rate using a mass balance model of the Antarctic ice sheet

by

I.А. Коrnеvа1,2, О.О. Rybak1,3

1Branch of Institute of Natural and Technical Systems, Sochi, Kurortny Av., 99/18

2Institute of Global Climate and Ecology of Roshydromet and RAS, Moscow, Glebovskaya St., 20b

E-mail: comissa@mail.ru

3Sochi Scientific Research Centre, Russian Academy of Sciences, Sochi, Theatralnaya St., 8a

E-mail: o.o.rybak@gmail.com

DOI: 10.33075/2220-5861-2017-4-72-79

UDC 551.324.63

Abstract:

   Variations in surface mass balance of the Antarctic ice sheet can be considered as indicators of global climate change and can be investigated using the energy balance models. In the paper, we present a description of a mass balance unit EWBM-A designed for coupling of an ice sheet model and a climate model. We describe algorithms of energy balance calculation on the surface of the Antarctic ice sheet, of surface melt rate and run-off. Calculations are carried out for a 30-yr pre-industrial period. Our results are compared with the results of similar model studies. We show satisfactory similarity between both.

Keywords: Antarctica, ice sheet, mathematical model, monitoring, energy balance, surface melt, run-off.

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