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FIELD SURVEY
89
GRID
58
MONTHLY TO ANNUAL
58
30 METERS TO 100 METERS
56
biota
52
TRANSECT
47
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
45
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
44
ANNUAL
37
500 METERS TO 1 KILOMETER
31
environment
29
geoscientificInformation
24
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
22
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
21
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
20
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
17
KITE
14
1 KILOMETER
12
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL TEMPERATURE
11
WEEKLY TO MONTHLY
10
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
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IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
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250 METERS TO 500 METERS
8
Arctic
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CALM
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Multispectral
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Remote Sensing
8
Tundra
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UAS
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EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
4
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