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Algae density
4
Algae fraction
4
Algae location
Cloud type
4
Cloudiness
4
Comment
4
DATE/TIME
4
Floe size
4
Heading
4
Height
4
Ice concentration
4
Ice type
4
Investigator
4
LATITUDE
4
LONGITUDE
4
Melt pond bottom type
4
Melt pond concentration
4
Melt pond depth
4
Melt pond pattern
4
Melt pond surface type
4
Number
4
Observation
4
Open water type
4
Polarstern
4
Sea ice thickness
4
Sea ice topography
4
Sea ice topography concentration
4
Sediment fraction
4
Ship activity
4
Ship power
3
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