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GRID
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
53
biota
47
ANNUAL
40
FIELD SURVEY
38
30 METERS TO 100 METERS
35
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
29
KITE
27
500 METERS TO 1 KILOMETER
22
MONTHLY TO ANNUAL
22
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
14
250 METERS TO 500 METERS
9
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
9
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
7
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
6
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
6
WEEKLY TO MONTHLY
6
geoscientificInformation
6
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
5
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
5
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
3
POINT
3
environment
3
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
2
ENVIRONMENT
2
1 KILOMETER
1
TRANSECT
1
UNKNOWN
1
elevation
1
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