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30 METERS TO 100 METERS
37
FIELD SURVEY
36
MONTHLY TO ANNUAL
34
biota
25
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
24
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
16
environment
13
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
12
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
8
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
7
ANNUAL
5
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
4
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
3
KITE
3
500 METERS TO 1 KILOMETER
2
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
2
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
2
geoscientificInformation
1
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