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30 METERS TO 100 METERS
FIELD SURVEY
40
biota
36
TRANSECT
35
MONTHLY TO ANNUAL
33
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
30
ANNUAL
17
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
17
GRID
17
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
16
environment
15
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
13
KITE
11
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
8
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
5
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
4
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
4
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
4
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
3
250 METERS TO 500 METERS
1
500 METERS TO 1 KILOMETER
1
EARTH SCIENCE > LAND SURFACE > SURFACE RADIATIVE PROPERTIES > REFLECTANCE
1
ENVIRONMENT
1
UNKNOWN
1
WEEKLY TO MONTHLY
1
elevation
1
geoscientificInformation
1
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