The Observatory main purpose is to contribute to the monitoring of global climate change monitoring standard meteorological parameters. The automatic weather station AWS Sofia is located at Nansen ice sheet (74° 49′ 0″ S - 163° 14′ 0″ E) at 40 m a.s.l., and has been installed on the 11 november 1987, and has been removed 1 november 2002. It acquired, all year round, the meteorological variables of wind velocity, wind direction, temperature, pressure and relative humidity.