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GEOGRAPHIC REGION >
4
POLAR
4
ANTARCTICA
3
AVHRR >
3
Advanced Very High Resolution Radiometer
3
CONTINENT >
3
EARTH SCIENCE
3
Fast Ice
3
ICE EDGES
3
ICE EXTENT
3
ICE GROWTH/MELT
3
SATELLITES
3
SEA ICE
3
oceans
3
ACE/CRC
2
AMD
2
AMD/AU
2
CEOS
2
CRYOSPHERE
2
elevation
2
marine
2
ANIMALS/INVERTEBRATES
1
AQUATIC ECOSYSTEMS
1
ARCTIC OCEAN
1
ARTHROPODS
1
ATLANTIC OCEAN
1
BEHAVIOUR
1
BIOGEOGRAPHY
1
BIOLOGICAL CLASSIFICATION
1
BIOSPHERE
1
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