Geographic location
Arctic
40
Antarctic
22
The Antarctic
15
Merra
12
Canada
11
Greenland
8
Pacific
6
Norway
5
Ora
5
Austral
3
East Antarctica
3
Southern Ocean
3
Arctic Ocean
2
Cierva
2
Indian
2
Amundsen Sea
1
Barra
1
British Columbia
1
Canadian Arctic Archipelago
1
Hatten
1
Lone
1
Mirny
1
New Zealand
1
Nunavik
1
Ross Ice Shelf
1
Ross Sea
1
West Antarctica
1