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MEASUREMENT
Meteorology
CANADA
4
ALASKA
3
Ice and Permafrost
3
Snow
3
*NORTH AMERICA
2
*TEMPERATURE
2
CLIMATE
2
ICE
2
LAKES
2
PARAMETERS
2
RECORDS
2
RINGS
2
SYMPOSIA
2
UNITED STATES
2
(*ARCTIC REGIONS
1
(*ATMOSPHERIC TEMPERATURE
1
(*TREES
1
*ARCTIC REGIONS
1
*CLIMATE
1
*COLD REGIONS
1
*DISTRIBUTION
1
*EXCHANGE
1
*Global changes
1
*HEAT
1
*HIGH LATITUDES
1
*HOT REGIONS
1
*ICE
1
*ICE FORMATION
1
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