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EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
biota
54
FIELD SURVEY
48
30 METERS TO 100 METERS
30
GRID
27
MONTHLY TO ANNUAL
25
ANNUAL
22
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
19
TRANSECT
19
LESS THAN 1 METER
18
POINT
18
KITE
14
500 METERS TO 1 KILOMETER
9
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
9
UNKNOWN
9
250 METERS TO 500 METERS
7
DAILY TO WEEKLY
7
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
7
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
6
environment
5
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
3
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
2
1 KILOMETER
1
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
1
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
1
ENVIRONMENT
1
WEEKLY TO MONTHLY
1
elevation
1
geoscientificInformation
1
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