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Drilling and ruler tape
Freeboard
Ice draft
Ice measurement
63
POINT DISTANCE from start
63
Polarstern
63
Remote Sensing of Sea Ice Properties FEME
Ruler stick
63
Sea Ice Physics @ AWI AWI_SeaIce
63
Sea ice thickness
63
Surface elevation
63
Electromagnetic sounding EM, Geonics EM31 conductivity sensor, Haas et al 1997
51
Calculated from ice-thickness; Measured with ruler tape
36
Calculated
35
Surface layer thickness
35
ARK-XII
28
Snow thickness
28
Surface levelling/surveying
28
Melt pond depth
26
ARK-XI/1
24
Calculated from ice-thickness based on the electromagnetic sounding
22
ARK-IX/4
11
Melt pond bottom z coordinate
8
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