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FIELD SURVEY
10
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
9
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > THERMOMETERS > THERMOMETERS
4
biota
4
climatologyMeteorologyAtmosphere
4
environment
3
1 METER TO 30 METERS
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
2
geoscientificInformation
2
1 SECOND TO 1 MINUTE
1
DAILY TO WEEKLY
1
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > RADAR SOUNDERS > GPR > GROUND PENETRATING RADAR
1
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > RADAR SOUNDERS > RADAR ECHO SOUNDERS
1
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > POSITIONING/NAVIGATION > GPS > GPS > GLOBAL POSITIONING SYSTEM
1
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
1
EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA
1
EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS
1
EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > FIRN
1
EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIER TOPOGRAPHY/ICE SHEET TOPOGRAPHY
1
EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > ICE SHEETS
1
EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SNOW/ICE > RIVER ICE
1
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > ADS > AUTOMATED DNA SEQUENCER
1
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > FLUORESCENCE MICROSCOPY
1
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > LICOR GAS EXCHANGE SYSTEM
1
MANNED FIELD STATION
1
STATION
1
TRANSECT
1
VERTICAL PROFILE
1
elevation
1
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