Geographic location
Southern Ocean
Antarctic
17
Arctic
13
The Antarctic
10
Weddell
4
Weddell Sea
4
North Pole
3
Pacific
3
Arctic Ocean
2
Australian Antarctic Basin
2
Australian-Antarctic Basin
2
Bellingshausen Sea
2
Drake Passage
2
Fawn Trough
2
Greenland
2
Indian
2
Kerguelen
2
Kerguelen Islands
2
Princess Elizabeth Trough
2