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- W4240697937 abstract "The heat regime and dynamics of the Antarctic ice sheet are studied using numerical modelling for two flow lines, one of which passes Vostok station and the other Byrd station. A two-dimensional non-steady heat-transfer equation with an energy dissipation term was used. The study consists of two parts. The first is a study of velocity and temperature distributions within the glacier under steady-state conditions. The second study was performed assuming surface temperature changes intended to model palaeoclimatic changes for the last 100 ka and also to model future climate changes due to a possible greenhouse effect. Computer numerical modelling shows that the Antarctic ice sheet retains a record of the climatic temperature minimum 18 ka BP. Numerical modelling of the greenhouse effect assumes a temperature increasing by 10 deg within the next 100 a; its influence increases after this even if the surface temperature then remains the same for the next 20 ka. It is shown that for the next 1 ka the temperature wave will penetrate only a thin surface layer of the ice. Even in 20 ka the bottom temperature of the ice sheet will still be unchanged. Small increases of ice velocity can produce ice-sheet thinning of the order of 10 mm a −1 ." @default.
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- W4240697937 date "1982-01-01" @default.
- W4240697937 modified "2023-09-26" @default.
- W4240697937 title "The Heat Regime of the Central Parts of the Antarctic Ice Sheet with Changing Climate (Abstract only)" @default.
- W4240697937 doi "https://doi.org/10.3189/s0260305500003128" @default.
- W4240697937 hasPublicationYear "1982" @default.
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