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*ARCTIC REGIONS
2
*CARBON DIOXIDE
2
EXCHANGE
2
Hydrology
Ice and Permafrost
2
Limnology and Potamology
2
SOILS
2
SURFACE WATERS
2
Snow
2
TROPOSPHERE
2
TUNDRA
2
*Subarctic regions
1
ARCTIC OCEAN
1
Atmospheric Physics
1
BERING SEA
1
CARBON MONOXIDE
1
MEASUREMENT
1
OCEANS
1
PARTIAL PRESSURE
1
Soil Mechanics
1
UPWELLING
1
WUNR307252
1
WUNR307308
1
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