Topic
OBSE
265
Observation
265
DATE/TIME
220
Temperature
127
IPY-1
80
International Polar Year 1881-1884
80
Thermometer
73
air
73
Visual observation
52
BARO
51
Barometer
51
water
50
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
Vapour tension
39
DEPTH
29
Salinity
29
Event label
28
daily total
27
Canada
25
Turbidity (Formazin Turbidity Unit)
25
SMR5
24
San Martin
24
San Martín Base
24
COSYNA
23
Coastal Observing System for Northern and Arctic Seas
23
LATITUDE
23
LONGITUDE
23
Oxygen saturation
23
confidence value
23
Atka Bay
22
GPS
22
Wind direction
22
Canada NWT
21
Chlorophyll a
21
Joint Arctic Weather Stations
21
Queen Elizabeth Islands
21
ACROSS
20
Advanced Remote Sensing – Ground-Truth Demo and Test Facilities
20
BAH
20
Shelf Seas Systems Ecology @ AWI (former Biologische Anstalt Helgoland)
20
more ...