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Beaufort Sea
3
Beaufort_Sea
OBSE
3
Observation
3
Aerial survey
2
DATE/TIME
2
Delphinapterus leucas
2
Sample amount
2
Sample comment
2
Category
1
Date/time end
1
Duration
1
IPY
1
International Polar Year (2007-2008)
1
Number
1
Parameter
1
Profile/sampling length
1
expected
1
number of days
1
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