Topic
OBSE
255
Observation
255
DATE/TIME
215
Temperature
124
IPY-1
80
International Polar Year 1881-1884
80
Thermometer
73
air
73
Visual observation
52
BARO
51
Barometer
51
Anemometer
49
Cloud cover
49
Wind speed
48
Antarctica
46
HYGRO
44
Humidity
44
Hygrometer
44
Station pressure
44
relative
44
Precipitation
41
Rain gauge
41
water
40
Vapour tension
39
Event label
28
daily total
27
Salinity
26
Canada
25
SMR5
24
San Martin
24
San Martín Base
24
LATITUDE
23
LONGITUDE
23
Atka Bay
22
DEPTH
22
GPS
22
Turbidity (Formazin Turbidity Unit)
22
Wind direction
22
Canada NWT
21
Joint Arctic Weather Stations
21
Queen Elizabeth Islands
21
COSYNA
20
Coastal Observing System for Northern and Arctic Seas
20
Oxygen saturation
20
confidence value
20
ACROSS
19
Advanced Remote Sensing – Ground-Truth Demo and Test Facilities
19
Alert
19
BAH
19
Canadian Arctic Station
19
more ...