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FIELD SURVEY
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
55
30 METERS TO 100 METERS
48
GRID
48
biota
35
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
30
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
17
TRANSECT
17
500 METERS TO 1 KILOMETER
15
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION COVER
14
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
8
LESS THAN 1 METER
8
POINT
8
geoscientificInformation
8
environment
5
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
4
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
4
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
4
EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION SPECIES
2
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > PERMAFROST
2
IN SITU/LABORATORY INSTRUMENTS > PHOTON/OPTICAL DETECTORS > VISUAL OBSERVATIONS
2
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL DEPTH PROBE
2
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