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CONTINENT >
5
GEOGRAPHIC REGION >
5
POLAR
5
EARTH SCIENCE
4
ARCTIC
3
ARCTIC OCEAN
3
ARCTIC OCEAN >
3
BARENTS SEA
3
CHLOROPHYLL
3
GREENLAND
3
NORTH AMERICA >
3
NUTRIENTS
3
OCEAN >
3
SOUTHERN OCEAN
3
chlorophyll a
3
dimethylsulfide
3
dms
3
oceans
3
sulphur
3
AMD
2
AMD/AU
2
CEOS
2
CRYOSPHERE
2
FIELD SURVEYS
2
GLACIERS
2
GLACIERS/ICE SHEETS
2
OCEAN CHEMISTRY
2
PIGMENTS
2
climatologyMeteorologyAtmosphere
2
ANTARCTICA
1
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Arctic
6
Greenland
6
Sea ice
5
Antarc*
4
Arctic Ocean
4
albedo
4
Antarctic
3
Barents Sea
3
Global warming
3
Greenland Sea
3
Southern Ocean
3
Antarctica
2
Phytoplankton
2
ice algae
2
East Antarctica
1
GRIP
1
Groenland
1
Harp Seal
1
Ice Sheet
1
Institute of Arctic and Alpine Research
1
International Polar Year
1
National Snow and Ice Data Center
1
Northwest Atlantic
1
South pole
1
Svalbard
1
glacier
1
ice core
1
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