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30 METERS TO 100 METERS
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
biota
26
FIELD SURVEY
19
TRANSECT
18
MONTHLY TO ANNUAL
16
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
15
ANNUAL
13
GRID
13
KITE
11
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
5
environment
4
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
3
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
3
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
3
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
2
250 METERS TO 500 METERS
1
500 METERS TO 1 KILOMETER
1
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
1
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
1
ENVIRONMENT
1
UNKNOWN
1
WEEKLY TO MONTHLY
1
elevation
1
geoscientificInformation
1
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