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1 KILOMETER
280
1 METER TO 30 METERS
280
100 METERS TO 250 METERS
280
250 METERS TO 500 METERS
280
30 METERS TO 100 METERS
500 METERS TO 1 KILOMETER
280
FIELD SURVEY
280
GRIDS AND VECTORS
MULTIPLE
280
POINT
280
TRANSECT
environment
277
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
276
GRID
276
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
276
IN SITU/LABORATORY INSTRUMENTS > PROBES > SNOW MEASURING ROD
276
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
276
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
276
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
276
IN SITU/LABORATORY INSTRUMENTS > PROBES > TEMPERATURE PROBES
276
IN SITU/LABORATORY INSTRUMENTS > RECORDERS/LOGGERS > TEMPERATURE LOGGERS
276
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > TEMPERATURE SENSORS
276
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > THERMISTORS > THERMISTORS
276
MONTHLY TO ANNUAL
276
DAILY TO WEEKLY
4
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > RADAR SOUNDERS > ELECTROMAGNETIC GEOPROFILER
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EARTH SCIENCE > CRYOSPHERE > SEA ICE
4
EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE DEPTH/THICKNESS
4
EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE ROUGHNESS
4
EARTH SCIENCE > CRYOSPHERE > SEA ICE > ICE TYPES
4
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Arctic
276
Antarctic
274
Kolyma
30
Yamal Peninsula
12
Tolbachik
6
Happy Valley
4
Image Point
4
Indigirka
4
Urengoy
4
Yakutsk
4
Alazeya
2
Anadyr
2
Anadyr’
2
Andryushkino
2
Arctic Ocean
2
Bonanza
2
East Siberian Sea
2
Galbraith Lake
2
Hess
2
Igarka
2
Kola Peninsula
2
Kruglaya
2
Lorino
2
Meade
2
Nadym
2
Nome Creek
2
Norilsk
2
Panteleikha
2
Tiksi
2
Umbozero
2
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Active layer monitoring
276
Arctic
276
Active layer thickness
274
Antarc*
274
Antarctic
274
Climate change
274
Subarctic
274
permafrost
274
Alaska
140
Tundra
137
Siberia
106
Alaska North Slope
86
north slope
86
Chukotka
12
Yamal Peninsula
12
lena delta
8
Barrow
6
Kamchatka
6
Sea ice
4
Seward Peninsula
4
Taimyr
4
Yakutsk
4
Anadyr
2
Anadyr'
2
Arctic Ocean
2
Beaufort Sea
2
Circumpolar Active Layer Monitoring Network
2
East Siberian Sea
2
Nome
2
Tiksi
2
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