Topic
FIELD SURVEY
30 METERS TO 100 METERS
381
MONTHLY TO ANNUAL
367
TRANSECT
338
GRID
315
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
313
environment
264
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
255
biota
255
POINT
233
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
222
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
206
500 METERS TO 1 KILOMETER
203
250 METERS TO 500 METERS
182
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
178
1 METER TO 30 METERS
158
IN SITU/LABORATORY INSTRUMENTS > RECORDERS/LOGGERS > TEMPERATURE LOGGERS
148
MULTIPLE
147
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
146
1 KILOMETER
145
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > TEMPERATURE SENSORS
141
100 METERS TO 250 METERS
137
GRIDS AND VECTORS
137
IN SITU/LABORATORY INSTRUMENTS > PROBES > SNOW MEASURING ROD
137
IN SITU/LABORATORY INSTRUMENTS > PROBES > TEMPERATURE PROBES
137
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > THERMISTORS > THERMISTORS
137
ANNUAL
112
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
99
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
77
LESS THAN 1 METER
57
geoscientificInformation
45
WEEKLY TO MONTHLY
44
DAILY TO WEEKLY
38
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOGEOCHEMICAL CYCLES
33
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
32
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
31
EARTH SCIENCE > LAND SURFACE > FROZEN GROUND > ACTIVE LAYER
27
UNKNOWN
26
climatologyMeteorologyAtmosphere
25
EARTH SCIENCE > CLIMATE INDICATORS > TERRESTRIAL HYDROSPHERE INDICATORS > PERMAFROST MELT
24
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > LICOR GAS EXCHANGE SYSTEM
24
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
23
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERMAFROST
23
EARTH SCIENCE > LAND SURFACE > SOILS > PERMAFROST
23
IN SITU/LABORATORY INSTRUMENTS > PHOTON/OPTICAL DETECTORS > VISUAL OBSERVATIONS
23
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOMASS DYNAMICS
21
inlandWaters
21
EARTH SCIENCE > BIOSPHERE > VEGETATION > CARBON
20
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > CARBON ANALYZERS
19
MANNED FIELD STATION
19
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