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ANTARCTIC REGIONS
ARCTIC OCEAN
5
Ice and Permafrost
3
Snow
3
ARCTIC REGIONS
2
GLACIERS
2
Hydrology
2
ICE
2
Limnology and Potamology
2
Meteorology
2
NORTHERN HEMISPHERE
2
SEA ICE
2
SYMPOSIA
2
(*CLIMATE
1
(*POLAR REGIONS
1
*ACCUMULATION
1
*BLACK SEA
1
*CLIMATOLOGY
1
*HYDROGRAPHY
1
*ICE
1
*PACK ICE
1
*Post-Cromerian rise
1
*SEA ICE
1
*SEA LEVEL
1
*SNOW
1
*WATER
1
AIR MASS ANALYSIS
1
ALBEDO
1
ALBEDO(ASTRONOMY)
1
ARMY
1
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