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R/V Nathaniel B. Palmer
Southern Ocean
Oceans
221
Antarctica
220
Marine-Geo Digital Library (MGDL)
219
Marine Geoscience
218
Solid Earth
153
Sonar:Multibeam
89
Bathymetry/Topography
87
Navigation
72
Bathymetry
69
Temperature
65
Antarctic Peninsula
63
Physical Oceanography
61
Bathymetry:Swath
48
Conductivity
47
Navigation:Primary
43
Backscatter:Acoustic
42
Antarctica: Drake Passage
41
CTD
41
Radiation:Visible
36
Pressure
34
Sidescan
33
Antarctica: Ross Sea
30
Salinity
28
NBP0107
25
Fluorescence
24
Gravity:Field
23
Gravimeter
22
Seismic:Subbottom
20
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Antarctic
222
Southern Ocean
222
The Antarctic
Antarctic Peninsula
90
Kongsberg
53
Ross Sea
51
Drake Passage
41
Amundsen Sea
18
Pacific
18
Larsen Ice Shelf
16
Bransfield Strait
9
Patagonia
9
West Antarctic Ice Sheet
9
West Antarctica
9
Palmer Deep
5
South Shetland Islands
5
Andvord
4
Andvord Bay
4
Bellingshausen Sea
4
Gerlache
4
Gerlache Strait
4
Christensen
3
Dunbar
3
Marguerite
3
Marguerite Bay
3
Austin
2
Firth of Tay
2
Hugo Island
2
Lallemand
2
Lallemand Fjord
2
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Antarc*
222
Antarctic
Southern Ocean
222
Antarctica
221
Antarctic Peninsula
90
Ross Sea
51
Drake Passage
41
Ice Sheet
23
Amundsen Sea
18
Ice Shelf
16
Larsen Ice Shelf
16
Sea ice
14
Bransfield Strait
9
West Antarctica
9
Antarctic Krill
7
Humpback Whale
7
Megaptera novaeangliae
7
South Shetland Islands
5
Bellingshausen Sea
4
Hugo Island
2
McMurdo Sound
2
Seymour Island
2
aurora australis
2
IPY
1
Icefish
1
Maxwell Bay
1
Weddell Sea
1
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