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30 METERS TO 100 METERS
35
FIELD SURVEY
33
MONTHLY TO ANNUAL
29
biota
21
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
19
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
16
environment
16
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
13
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
8
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
8
ANNUAL
7
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
5
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
3
KITE
3
500 METERS TO 1 KILOMETER
2
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
2
250 METERS TO 500 METERS
1
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
1
EARTH SCIENCE > LAND SURFACE > SURFACE RADIATIVE PROPERTIES > REFLECTANCE
1
ENVIRONMENT
1
GRID
1
WEEKLY TO MONTHLY
1
geoscientificInformation
1
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