Topic
AIR TEMPERATURE
39
CLOUD
39
COMMENTS
39
DATE
39
FILM COUNTER
39
FRAME COUNTER FOR FILM
39
LATITUDE
39
LONGITUDE
39
OPEN WATER
39
RECORD
39
SEA ICE CONCENTRATION
39
SEA ICE FLOE SIZE
39
SEA ICE SNOW COVER
39
SEA ICE THICKNESS
39
SEA ICE TOPOGRAPHY
39
SEA ICE TYPE
39
SEA TEMPERATURE
39
SHIPS
39
SNOW THICKNESS
39
SNOW TYPE
39
TIME
39
TRACK
39
VIDEO RECORDER COUNTER
39
VISIBILITY CODE
39
WEATHER CODE
39
WIND DIRECTION
39
WIND VELOCITY
39
ARCTIC
28
AMD
26
ASPECT >
26
Antarctic Sea Ice Processes and Climate
26
CEOS
26
CRYOSPHERE
26
EARTH SCIENCE
26
GEOGRAPHIC REGION >
26
ICE DEPTH/THICKNESS
26
ICE FLOES
26
ICE TYPES
26
OCEAN >
26
PACK ICE
26
POLAR
26
SEA ICE
26
SOUTHERN OCEAN
26
oceans
26
ARCTIC OCEAN
22
ANTARCTICA
16
CONTINENT >
16
ACE/CRC
13
AMD/AU
13
VISUAL OBSERVATIONS
3