Parameters

Notation

Version I

Version II

Lake pressure under Vostok Station, MPa

P

33.747

38.090

Differential pressure at the bottom of Hole 5G-2, MPa

ΔP

?0.231

?4.574

Estimated rise of upwelling water in the borehole, m

-

23.6

3 883

Temperature at ice-water interface (pressure melting point), ˚C

t_m

?2.68

?3.06

Depth of pressure melting point due to extrapolation of temperature profile, m

-

3776.7

3758.3