Geographic location
Southern Ocean
Antarctic
90
The Antarctic
65
Weddell
22
Arctic
17
Weddell Sea
14
Antarctic Peninsula
12
Pacific
12
East Antarctica
9
Austral
8
West Antarctica
8
Prydz Bay
7
Amundsen Sea
5
Greenland
5
Ross Sea
5
Bellingshausen Sea
4
Indian
4
Arctic Ocean
3
North Pole
3
Antarctic Ocean
2
East Antarctic Ice Sheet
1
Greenwich
1
Marsden
1
Mellor
1
Ross Ice Shelf
1