Geographic location
Antarctic
Arctic
16
Weddell
Weddell Sea
15
The Antarctic
9
Southern Ocean
8
Greenland
7
Indian
7
Pacific
4
Ross Sea
4
Drake Passage
2
East Antarctica
2
Wilkes Land
2
Agulhas Basin
1
Annenkova
1
Austral
1
Bering Strait
1
Bertrand
1
Bingham
1
British Columbia
1
Canada
1
Christiania
1
Christoffersen
1
Detour
1
East Antarctic Ice Sheet
1
Lamarck
1
Malmgren
1
McIntosh
1
New Zealand
1
Noire
1
Onega
1
Queensland
1
Roten
1
Rouse
1
Scotia Sea
1
Treadwell
1
White Sea
1