Topic
ARCTIC
AMD
74
CEOS
74
AIR TEMPERATURE
69
SHIPS
67
LATITUDE
66
LONGITUDE
66
TIME
66
DATE
63
GEOGRAPHIC REGION >
63
POLAR
63
CLOUD
62
COMMENTS
62
FILM COUNTER
62
FRAME COUNTER FOR FILM
62
OPEN WATER
62
RECORD
62
SEA ICE CONCENTRATION
62
SEA ICE FLOE SIZE
62
SEA ICE SNOW COVER
62
SEA ICE THICKNESS
62
SEA ICE TOPOGRAPHY
62
SEA ICE TYPE
62
SEA TEMPERATURE
62
SNOW THICKNESS
62
SNOW TYPE
62
TRACK
62
VIDEO RECORDER COUNTER
62
VISIBILITY CODE
62
WEATHER CODE
62
WIND DIRECTION
62
WIND VELOCITY
62
EARTH SCIENCE
58
OCEAN >
57
SOUTHERN OCEAN
56
oceans
56
CONTINENT >
45
AMD/AU
43
CRYOSPHERE
40
PACK ICE
39
SEA ICE
39
ANTARCTICA
38
ICE TYPES
37
ICE FLOES
36
ASPECT >
34
Antarctic Sea Ice Processes and Climate
34
ICE DEPTH/THICKNESS
34
ARCTIC OCEAN
33
ACE/CRC
31
VISUAL OBSERVATIONS
21
more ...