Geographic location
Arctic
15
Arctic Ocean
15
Southern Ocean
11
Greenland
8
Indian
8
Pacific
8
Scripps
8
Antarctic
7
Monte Rosa
7
Norwegian Sea
7
Penck
7
Bismarck
6
Coastal Waters Of Southeast Alaska
6
Ewing
6
Kila
6
Maurice
6
Western Basin
6
Bergen
5
Allo
2
Gonzalez
2
Las Palmas
2
Argentina
1
Baffin Bay
1
Barents Sea
1
Norway
1
Paul-Emile Victor
1
Tanhua
1