Topic
EARTH SCIENCE
925
GEOGRAPHIC REGION >
916
POLAR
912
oceans
740
OCEAN >
666
CONTINENT >
622
SOUTHERN OCEAN
606
ANTARCTICA
512
AMD
479
CEOS
479
SHIPS
453
biota
399
AMD/AU
376
BIOLOGICAL CLASSIFICATION
366
CRYOSPHERE
294
SEA ICE
282
BIOSPHERE
266
DATE
252
SEA ICE CONCENTRATION
248
AIR TEMPERATURE
245
LATITUDE
245
LONGITUDE
244
TIME
236
FIELD SURVEYS
229
COMMENTS
218
WIND DIRECTION
216
CLOUD
215
FILM COUNTER
215
FRAME COUNTER FOR FILM
215
OPEN WATER
215
RECORD
215
SEA ICE FLOE SIZE
215
SEA ICE SNOW COVER
215
SEA ICE THICKNESS
215
SEA ICE TOPOGRAPHY
215
SEA ICE TYPE
215
SEA TEMPERATURE
215
SNOW THICKNESS
215
SNOW TYPE
215
TRACK
215
VIDEO RECORDER COUNTER
215
VISIBILITY CODE
215
WEATHER CODE
215
WIND VELOCITY
215
ECOLOGICAL DYNAMICS
210
environment
191
VISUAL OBSERVATIONS
184
ANIMALS/VERTEBRATES
178
ICE DEPTH/THICKNESS
173
PACK ICE
170
more ...