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(*ECOLOGY
1
(*LAKES
1
AERIAL PHOTOGRAPHY
1
AERIAL SURVEYS
1
ALASKA
1
ARCTIC REGIONS
ECOLOGY
1
FREEZING
1
HEAT BUDGETS
1
HEAT FLUX
1
HUDSON BAY
1
Hydrology
1
INFRARED EQUIPMENT
1
LIMNOLOGY
1
Limnology and Potamology
NORTH AMERICA)
1
PLANTS(BOTANY)
1
RADIOCARBON DATING
1
SPECIFIC HEAT
1
SUBARCTIC REGIONS
SURFACE TEMPERATURE
1
SWAMPS
1
THERMAL PROPERTIES)
1
TUNDRA
1
VEGETATION
1
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