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30 METERS TO 100 METERS
21
TRANSECT
biota
FIELD SURVEY
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MONTHLY TO ANNUAL
17
EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
15
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
7
EARTH SCIENCE > LAND SURFACE > SOILS > SOIL MOISTURE/WATER CONTENT
6
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
5
IN SITU/LABORATORY INSTRUMENTS > PROBES > PROBES
5
ANNUAL
4
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
3
KITE
3
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
2
250 METERS TO 500 METERS
1
500 METERS TO 1 KILOMETER
1
EARTH REMOTE SENSING INSTRUMENTS > ACTIVE REMOTE SENSING > PROFILERS/SOUNDERS > LIDAR/LASER SOUNDERS > LIDAR > LIGHT DETECTION AND RANGING
1
EARTH SCIENCE > CRYOSPHERE > FROZEN GROUND > ACTIVE LAYER
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EARTH SCIENCE > LAND SURFACE > SURFACE RADIATIVE PROPERTIES > REFLECTANCE
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ENVIRONMENT
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GRID
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WEEKLY TO MONTHLY
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environment
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geoscientificInformation
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