Ice and atmosphere Home > About Antarctica > Ice and atmosphere Atmosphere Atmospheric scientists at the Australian Antarctic Division are looking at the mesosphere and the ‘mesopause’ to see… Sea ice Sea ice is any kind of ice found at sea which has originated from the freezing of sea water. Ice sheets The mean thickness of the Antarctic ice sheet is 2.16 km. Without its ice sheet, Antarctica may be the lowest lying continent. This content was last updated 2 years ago on 10 November 2020.
